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a maxim integrated products brand 78m661 2 split - phase evaluation board user manual may 2 4 , 201 1 rev. 1. 1 um _ 661 2 _ 0 44 19 - 5642; rev 1.1; 5/11
78m6612 split - phase evaluation board user manual um_6612_044 maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no cir cuit patent licenses are implied. maxim reserves the right to change the circuitry and s pecifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408 - 737 - 7600 ? 201 1 maxim integrated products maxim is a registered trademark of maxim integrated products.
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 3 table of contents 1 introduction ................................................................................................................................... 5 1.1 package contents ................................................................................................................ 5 1.2 system requirements ........................................................................................................... 5 1.3 sa fety and esd notes .......................................................................................................... 6 1.4 firmware demo code introduction ........................................................................................ 6 1.5 testing the 78m6612 split - phase evaluation board prior to shipping ................................... 6 2 installation ..................................................................................................................................... 7 2.1 basic connection setup ........................................................................................................ 8 2. 2 relay configuration ............................................................................................................ 10 2.3 optional uart interface ..................................................................................................... 11 2.4 usb driver installation ........................................................................................................ 13 2.5 confirm com port mapping ................................................................................................ 14 2.6 verify serial connection to the pc ...................................................................................... 15 3 calibration .................................................................................................................................... 17 4 windows graphical user interface (gui) .................................................................................... 18 4.1 installing the gui ................................................................................................................ 18 4.2 changing the com port assignment ................................................................................... 19 4.3 starting the gui .................................................................................................................. 22 5 schematics, bill of materials and pcb layouts ......................................................................... 24 5.1 78m6612 split - phase evaluation board schematics ........................................................... 24 5.2 78m6612 split - phase evaluation board bill of materials ...................................................... 26 5.3 78m6612 split - phase evaluation boa rd pcb layouts ......................................................... 28 6 ordering information ................................................................................................................... 29 7 included documentation ............................................................................................................. 29 8 co ntact information ..................................................................................................................... 29 revision history .................................................................................................................................. 30
78m6612 split - phase evaluation board user manual um_6612_044 4 rev. 1. 1 figures figure 1: split - phase energy measurement configuration ....................................................................... 7 figure 2: top side 78m6612 split - phase evaluation board connections ................................................. 8 figure 3: bottom side 78m6612 split - phase evaluation board connections ............................................ 9 figure 4: 78m6612 split - phase evaluation board application diagram .................................................. 10 figure 5: uart connector .................................................................................................................... 11 figure 6: uart isolator daughter card ................................................................................................. 11 figure 7: split - phase calibration test setup .......................................................................................... 17 figure 8: 78m6612 split - phase gui ....................................................................................................... 23 figure 9: 78m6612 split - phase evaluation board electrical schematic (1 of 2) ...................................... 2 4 figure 10: 78m6612 split - phase evaluation board electrical schematic (2 of 2) .................................... 25 figure 11: 78m6612 split - phase evaluation board pcb top view ......................................................... 28 figure 12: 78m6612 split - phase evaluation board pcb bottom view .................................................... 28 table table 1: high voltage ac connections .................................................................................................... 9 table 2: line 1 versus neutral current sensing configuration ................................................................ 10 table 3: j12 uart connector pin assignments .................................................................................... 12 table 4: com port setup parameters .................................................................................................... 15 table 5: cli reset commands .............................................................................................................. 17 table 6: cli relay commands .............................................................................................................. 17 table 7: cli measurement results registers ........................................................................................ 17 table 8: cli input registers .................................................................................................................. 17 table 9: cli status registers ................................................................................................................ 17 table 10: 78m6612 split - phase evaluation board bill of materials ......................................................... 26
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 5 1 introduction the teridian semicond uctor corporation (tsc) 78m661 2 split - phase eval uation board is an electrical measurement unit for performing measurements from a single electrical outlet. it incorporates the ts c 78m 6612 power and energy measurement ic. the 78m 6612 split - phase eval uation board is connected to a pc through a usb cable such a s one provided in the demo kit package . optionally, the 78m6612 uart tx & rx signals can be accessed via a header for communicating with an external controller or wireless communications module. the eval uation board demonstrates the capability of the 78m 6612 energy meter controller chip for measurement accuracy and overall system use. the board is pre - programmed with split - phase demo f irmware in the flash memory of the 78m 6612 ic, which allows evaluation of the ic ?s capabilities . the 78m 6612 split - phase energy measurement data and status is read back using a n ascii text string cli command set. easy m anual operation is performed using hyperterminal. optionally, a windows ? - based graphical user interface (gui) is provided for s implified access to the following measurement data and controls: ? power, current, voltage and power factor indicator dials ? line frequency ? alarm indicators ? programmable alarm thresholds 1.1 package contents the 7 8m 6612 split - phase eval uation board d emo k it includes: ? 78m 6612 split - phase evaluation board ? usb c able assembly usb a - b 28/24 1.8m (tyco/amp 1487588 -3) ? +12vdc@1a power supply ? cd with omu software and documentation 1.2 system requirements the 78m 6612 split - phase eval uation board requires use of a pc with the following features: ? pc (1 ghz, 1 gb) with microsoft windows xp ? or win dows 2000, equipped with usb port. ? minimum 1024 x 768 video display resolution. windows and windo ws xp are registered trademarks of microsoft corp.
78m6612 split - phase evaluation board user manual um_6612_044 6 rev. 1. 1 1.3 safety and esd notes exercise caution when live ac voltages are present! standard esd precautions must be taken when handling electronic equipment. the 78m6612 contains esd protected interfaces. do not connect test equipment, ice emulators or external development boards directly to the 78m 6612 split - phase hardware. damage to the 78m 6612 and external equipment will occur due to the 78m 6612?s ?high side? refere nce topology. the 78m 6612?s v3p3 (i.e. ?high side?) is c onnected directly to neutral (earth g round ) creating a ground reference disparity with any properly grounded external equipment. 1.4 firmware demo code introduction the firmware demo code provides the following features: ? b asic energy measurement data such as watts, volts, current, var, va, phase angle, power factor, accumulated energy, frequency, date/time, and various alarm statuses . ? c ontrol of alarm thresholds , calibration coefficients, temperature compensation , etc. the following s etup is used to facilitate performance evaluation between the user at the pc host and the firmware code in the board : ? the command line interface (cli) via hyperterminal or comparable terminal emulator on a different operating system. i nformation about the cli is presented in section 3.0 . the 78m 6612 split - phase evaluation board is sh ipped with demo code r evision 1.14c or later loaded in the 78m 6612 chi p and included on the cd . the code revision can be verified by entering the command >i via the command line in terface. firmware for the evaluation board can be updated using either the teridian tfp 2 or a n in - circuit emulator such as the signum systems adm51 ( www.signum.com ) . the board components and firmware settings are designed to operate with the following nominal ac electrical ranges: voltage current line frequency 110- 240 vac 10 ma ? 20a 46-64 hz 1.5 testing the 78m 6612 split - phase evaluation board prior to shipping before every 78m 6612 split - phase evaluation board is shipped, the following procedures have been performed at the factory: ? full calibration ? precise energy source equipment is used to calibrate the current and voltage. the temperature is also calibrated at the same time. ? accuracy test ? this ? bench ? le vel test ensure s the energy accuracy is within 0.5% .
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 7 2 installation the 78m6612 split - phase evaluation board is intended for use with a 3 - wire single- phase distribution system. this 3 - wire single- phase distribution system is typically sourced from a dist ribution transformer with a single - phase input (primary) winding. the distribution transformer?s secondary winding has a center tap which is defined as neutral. line 1 and line 2 exist on either side of neutral exhibiting a 180 phase shift between them. the 78m6612 is referenced to neutral and measures both voltages present on lin e 1 and lin e 2 with respect to neutral. additionally, load currents flowing in both line 1 and line 2 are measured. the following figure shows the 78m6612 split - phase evaluation board?s measurement inputs with various load configurations. line 1 line 2 neutral i 1 i 2 iload 1 iload 2 l o a d 3 v 1 ct 1 v 2 ct 2 ineutral figure 1 : split - phase energy m easurement configuration
78m6612 split - phase evaluation board user manual um_6612_044 8 rev. 1. 1 2.1 basic connection setup figure 1 and 2 show the basic connections of the 78m6612 split - phase evaluation board for use with external equipment . the 78m6612 split - phase evaluation board is powered either by an on- board acdc switcher or from an external +12vdc power supply. a usb cable provides the communications link between the host pc and the 78m6612 split - phase evaluation board. the high voltage ac source and load wires connect to spades mounted on the bottom side of the board. . figure 2 : top side 78m6612 split - phase evaluation board connections install jumper j2 when using the on - board acdc switcher. the switcher draws power from one of the ac inlet phase wires. remove jumper j2 when attaching an external +12v dc power supply to disconnect the switcher from the ac inlet. the board draws less then 100ma from the external +12vdc supply. use an external +12vdc power supply which is fully isolated. acdc switcher usb connector external +12vdc j2
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 9 figure 3 : bottom side 78m6612 split - phase evaluation board connections the high voltage ac wires attach to the spades located on the bottom side of the board. the following table describes the wiring connections. table 1 : high voltage ac connections connector external circuit j4 neutral ? from source j5 neutral ? to load j7 line 1 ? from source j13 line 2 - from source j16 line 1 ? to load j18 line 2 ? to load j16 j18 j4 j5 j7 j13
78m6612 split - phase evaluation board user manual um_6612_044 10 rev. 1. 1 78m6612 sp eval board 6612 current shunt uart usb 10x dios i2c 3v3 reg split phase ac load under test host pc split phase ac source voltage divider voltage divider neutral line 2 line 1 isolation usb controller relay relay acdc switcher 12vdc figure 4 : 78m6612 split - phase evaluation board application diagram the 78m6612 split - phase evaluation board is preconfigured to measure the load currents present on line 1 and line 2 using two current transformers (ct). alternatively, the board has provisions the replace the line 1 ct with a current sensing shunt in series with the neutral wire. two resistors (r18 and r43) provide the sensor selection. the following table provides the resistor population options for selec ting the ct vers u s the shunt. table 2 : line 1 versus neutral current sensing configuration sensor configuration r18 r43 ct ? line 1 no component install 750 ? shunt - neutral install 750 ? no component presently the firmware only supports the ct ? line1 configuration. 2.2 relay configuration the cli commands s upport separate line 1 and line 2 relays. however, the 78m6612 split - phase evaluation board uses dio7 to control both line 1 and line 2 relays so that control of power to both remains in sync.
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 11 2.3 optional uart interface the 78m6612 split - phase evaluation board provides an option to bypass the on - board serial usb controller. this op tion is useful for communicating with an external controller or attachment of a wireless mo dule. the optional uart interface is accessible via connector j12. remove the 0 ? resistor r38 to prevent tx contention with the on- board isolator?s output, u3. figure 5 : uart connector due to the 78m6612?s v3p3 being directly connected to neutral, the teridian supplied uart isolator must be inserted between the evaluation board and the external controller. the v3p3 to neutral connection results in the 78m6612?s gnd pin being 3.3v below the external controller?s gnd pin. additionally, the uart isolator board provides for galvanic isolation between the evaluation board and the external controller hardware. figure 6 : uart isolator daughter card uart connector j12 remove r38 installed uart isolat or daughter card short cable harness to external controller
78m6612 split - phase evaluation board user manual um_6612_044 12 rev. 1. 1 table 3 : j12 uart connector pin assignments j12 pin number identifier function 1 v3p3 +3.3v to daughter card 2 txd 78m6612 txd output 3 rxd 78m6612 rxd input 4 gnd gnd to daughter card the uart isolator daughter card maintains the same pin functions on its connector interface to the external controller. the uart isolator board is not required when using a wireless module. however, use of an antenna with an exposed metal mounting base presents a safety hazard. the other consideration regarding use of a wireless module is the module ? s transmitting power consumption. the on - board switcher can provide only 100m a (at 3.3v). use an external power supply if the transmitter?s power is greater than 100m a .
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 13 2.4 usb driver installation th is evaluation kit includes an isolated usb interface for serial communications with a pc. the ftdi usb controller ic ft232r performs the usb functions. the ftdi windows driver presents a virtual com port for enabling serial communications. control of the 78m 6612 split - phase evaluation board can be managed using either a terminal emulation program or using the supplied windows gui. the ftdi windows drive r is a certified d river for windows 2000 and xp. 1. upon attaching the 78m 6612 split - phase evaluation board to the pc, the found new hardware wizard automatically launch es and install s the appropriate driver files. if your pc does not find the ftdi driver files on its local hard disk drive, lo cate and reference the ftdi usb driver and utilities sub d irectory on the cd. the ft232 r controller is powered from the usb cable and is active even when no power is applied to the 78m 6612 split - phase evaluation board . note s : if an older ftdi driver has been previously installed, it is recommended to remove the older version before installing this newe r ftdi driver. execute the ftdiclean.exe utility from the ftdi usb driver and utilities subdirectory . for ftdi driver support on other operating systems, please check ftdi?s website at ( error! hyperlink reference not valid. www.ftdichip.com/ftdrivers.htm ) .
78m6612 split - phase evaluation board user manual um_6612_044 14 rev. 1. 1 2.5 confirm com port mapping ? launch the control panel and click on the system icon. ? the system properties screen appears. click on the hardware tab. click on device manager . under ports (com & lpt) , look for the usb serial port assignment . ? take note of the com port assignment for the usb serial port . omu1 com port:
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 15 2.6 verify serial connection to the pc after connecting the usb cable from the 78m 6612 split - phase evaluation board to the host pc, start the hyperterminal application (or another suitable communication program) and create a session using the communication parameters show in table 1 . table 4 : com port setup parameters setup parameter 78m 6612 port speed (baud) 38400 data bits 8 parity n one stop bits 1 flow control xon/xoff hyperterminal can be found in windows by selecting start ? all programs ? accessories ? communications ? hyperterminal . the connection parameters are configured by selecting file ? properties . the new connection properties menu appears. select the appropriate com port and c lick configure . the comn properties menu appears. select com port
78m6612 split - phase evaluation board user manual um_6612_044 16 rev. 1. 1 note that p ort parameters can only be adjusted when the connection is not active. it may be necessary to click t he disconnect button to disconnect the port. ftdi com port trouble -s hooting if the ftdi device driver did not install properly, there would be no assigned com port number for the ftdi controller. repeat the usb driver installation, see section 2.3. microsoft windows may associate a ball point device to the ftdi usb controller. when this occurs a ftdi device com port assignment is available via hyperterminal but there is no communications data. verify if a ball point device has been added to the ?human interface devices ? via the device manager. refer to section 2.4 for access to the device manager. if a ball point device exists, delete it and unplug and replug the evaluation board?s usb cable. disconnect
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 17 3 initialization and c alibration the 78m6613 split - phase firmware includes a relay control routine that initializes the relays in the ?off? position. until relays are turned ?on? using the tc0 command, only voltage, line frequency, and chip temperature can be measured and reported. to glob ally turn on or off relays with the split - phase firmware, the following commands should be used. >tc0 (turn on all relays) >tc3 (turn off all relays) the split - phase firmware also includes built in calibration routines. u sing the precision source method, a known external voltage source, ambient temperature, and current source (load) is provided to the eva luation board during calibration by teridian. the routine automatically adjusts coefficients until measured values matc h known (ta rget) values and saves them to f lash memory. it is recommended the user read back and record these calibration coefficients. this will allow the user to re - store the calibration settings should the firmware for the evaluation board be updated in the future. there are four calibration coefficients: one for each voltage input and one for each current input. these four coefficients are read back using the ]8???? command.
78m6612 split - phase evaluation board user manual um_6612_044 18 rev. 1. 1 4 windows graphical user interface (gui) the 78m6612 split - phase gui displays rms voltage and current, power, volt - amperes, and power factor for two independent phases as well as totals for these parameters. a true rms line -to - line voltage is also shown. indicators are provided for the various alarms. the 78m6612 split - p hase gui is a national instruments cvi application program. click on the gui setup.exe file provided on the cd to start the self installer. 4.1 installing the gui after clicking on setup.exe , s elect the installation directories and click on next : confirm the installation and click on next :
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 19 confirm installation completion and click on finish : 4.2 changing the com port assignment the 78m6612 split - phase gui only allows for selecting com port assignments of com1 through com4. if your ftdi device is assigned a higher com port number, open the device manager and navigate to the device?s advanced settings properties to change the com port number. click on the device manager icon:
78m6612 split - phase evaluation board user manual um_6612_044 20 rev. 1. 1 click on the device manager button in the hardware tab: click on the ports (com & lpt) line item to display all assigned ports. then high - light and click properties of the desired usb serial port:
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 21 click on the port settings tab: click on the advanced button:
78m6612 split - phase evaluation board user manual um_6612_044 22 rev. 1. 1 click on the com port number drop down arrow and select an available com port between 1 and 4: click ok on the various screens to accept this com port assignment change. 4.3 starting the gui start the 78m6612 split - phase gui by clicking on the gui?s eval.exe file via the start menu or locate the executable in the target directory selected earlier. click on setup to s elect the com port assigned to the ftdi devic e :
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 23 click on action to display the measurement panel: click on the start and stop buttons to operate the gui: figure 7 : 78m6612 split - phase gui write address = f0 and data = 0 to turn on the relays. write address = f0 and data = 1 to turn off the relays.
78m6612 split - phase evaluation board user manual um_6612_044 24 rev. 1. 1 5 schematics, bill of materials and pcb layouts this section includes the schematics, bill of materials and pcb layouts for the 78m661 2 split - phase evaluation board . 5.1 78m661 2 split - phase evaluation board schematics figure 8 : 78m6612 split - phase evaluation board electrical schematic (1 of 2) line2 ct sensor neutral out c30 0.1uf 0603 c29 0.1uf 0603 line1c line2c v3p3 r17 0.004 0.1% 2.5w 2512p ms 66-ulr25r004flftr r40 4.99 1% 1210 ms 660-sr732ette4r99f c31 1000pf 0603 r41 750 0603 r18 750 0603 c32 1000pf 0603 v3p3 r5 1m 0.1% 1206w r4 1m 0.1% 1206w ms 660-rn732bttd1004b25 c3 1000pf 0603 r8 1m 0.1% 1206w c5 1000pf 0603 rly 1 line1 in j7 acterm k1287 ms 534-1287-st 1 2 j8 acterm k1287 ms 534-1287-st 1 2 to relay line2 in j14 acterm k1287 ms 534-1287-st 1 2 j13 acterm k1287 ms 534-1287-st 1 2 to relay v3p3 v3p3 gnd j2 sip100p2 weco tst 1 2 r7 1m 0.1% 1206w ms 660-rn732bttd1004b25 u1a 78m6612-68qfp qfn68 v2p5 50 gnda 52 v3p3a 53 va 54 vb 55 ib 56 ia 57 vref 58 v1 59 xi n 62 xo u t 64 c21 0.1uf 0603 c22 0.1uf 0603 -12vdc c13 0.1uf 0603 -12vdc shunt pcboard center point absolutely critical to performance. refer to application note. r11 17.4k, 1% 0603 line1v r9 10.0k, 1% 0603 c11 1uf 20v 1206p c14 1uf 0603 3.3v below neutral 12v below neutral v3p3 connected to neutral c28 0.015uf 0603 ms 80-c0603c153k3r line2v + c15 10uf 25v digikey 478-1762-1-nd 1812 j3 weco tst rapc712 ms 502-rapc712 1 2 3 xi n neutral in v3p3 v3p3 -12vdc led1 green led100 ms 606-4300h5lc from line2 in from line1 in q2 pnp 500ma 30v ms 610-cmpta63 sot23t r15 10k 0603 r16 1k 0603 r19 2k 0603 relay 1 v3p3 v3p3 line2 line1 out gnd v1 c1 0.1uf 0603 gnd c6 nc 0603 gnd v2p5 r3 20.0k, 1% 0603 c4 100pf 0603 r1 16.9k 1% 0603 c8 27pf 0603 gnd gnd c7 27pf 0603 + c2 10uf 25v 1812 478-1762-1-nd y1 32.768khz cm200s 535-9166-1-nd 1 4 gnd xo u t line2 out + c10 0.1uf 450v c330 ms 80-c330c104kcr znr1 275v ms 581-ve09p02750k ve09p d1 1a 400v ms 621-s1gb-f smb l1 1000uh 0.5a ms 580-48102sc 4800s j15 acterm k1287 ms 534-1287-st 1 2 r10 10 1/2w 1210w ms 660-rk73h2ettd10r0f + c9 22uf 450v xrl450b ms 140-xrl450v22-rc vr1 bp5045a ms 755-bp5045a sip10bp l1 6 gnd 4 hvdc 1 -12v 10 l2 8 j4 acterm k1287 ms 534-1287-st 1 2 non-isolated smps j16 acterm k1287 ms 534-1287-st 1 2 v3p3 v3p3 +/-178mvrms j5 acterm k1287 ms 534-1287-st 1 2 line1 ct sensor r42 4.99 1% 1210 ms 660-sr732ette4r99f v3p3 +/-250mvpp gnd r43 nc 0603 j17 acterm k1287 ms 534-1287-st 1 2 c t2 ct020p2a ct020p2a ??? r2 750 0.1% 0603 r6 750 0.1% 0603 j18 acterm k1287 ms 534-1287-st 1 2 line1 rl1 16a 12v spdt low prof ile alz 255-1446-nd 3 5 4 1 2 6 7 8 rl2 16a 12v spdt low prof ile alz 255-1446-nd 3 5 4 1 2 6 7 8 + c12 220uf 25v lo imp uudb ms 647-uud1e221mnl all things ref erenced to v3p3 f or 78m6612 weco testing requires plug rev ersal c t1 ct020p2a ct020p2a ??? vr2 ucc284 soic8 ms 595-ucc284dp-adj gnd 4 -vout 5 vs 1 -vin1 2 sd 8 -vin2 3 -vin3 6 -vin4 7
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 25 figure 9 : 78m6612 split - phase evaluation board electrical schematic (2 of 2) pwrup trxce csn mosi cd dr sck mi so no connect txe n dio20 r33 470 0603 led3 red led100 ms 606-4300h1lc led4 green led100 ms 606-4300h5lc r34 470 0603 r35 470 0603 led5 y ellow led100 ms 606-4300h7lc v3p3 (relay ) dio11 dio21 gnd tp1 r tm sip100p4 1 2 3 4 relay 1 c27 0.1uf 0603 relay 1 dio5 dio4 dio4 dio3 dio2 dio8 dio1 v3p3 dio10 j10 expconn dip100p18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 dio5 gnd v3p3 gnd gnd fault ready v3p3 cktst active tmu x gnd dio9 r39 0 0603 r38 0 0603 dio20 dio1 dio11 dio2 dio3 dio4 dio5 dio8 dio10 dio9 j22 usb-b usbbv ms 806-kusbvx-bsin-w 1 2 3 4 5 6 u2 ft232qfn32 ftqfn32 ms 895-ft232rq vcc 19 usbdm 15 usbdp 14 vccio 1 nc1 5 resetb 18 osci 27 r xd 2 r ts 32 c ts 8 d tr 31 dsr 6 ri 3 cbus0 22 txd 30 osco 28 cbus1 21 cbus2 10 cbus3 11 cbus4 9 3v3out 16 agnd 24 gnd1 4 gnd2 17 gnd3 20 test 26 nc2 12 dcd 7 nc3 13 nc4 25 nc5 29 nc6 23 usbdm usb5v u2 internal 3.3v ldo usbdp usbrx can source upto 50ma usbtx u3 adum3201 adum3201 adum3201arz-nd voa 2 v1 1 nd1 4 v2 8 via 7 g2 5 vib 3 vob 6 dio11 usbgnd usb3v gnd pma1 1.5m a/b white cable c25 4.7uf 1206p gnd gnd v3p3 mouser 571-1487588-2 c18 0.1uf 0603 c26 0.1uf 0603 pma2 r32 330 0603 pma3 gnd gnd c20 1000pf 0603 erst tc lk r xtx tp2 sip100p2 wh 1 2 pulse output r36 10k 0603 dio20 v3p3 gnd when icee low lcd seg driv ers ice inputs become v3p3 v3p3 gnd v3p3 j11 ice sip100p6 1 2 3 4 5 6 dio2 dio3 dio6 dio1 u1b 78m6612-68qfp qfn68 gndd1 1 e_rxtx/seg38 2 opt_tx/dio2 3 tmu xou t 4 tx 6 seg3 7 v3p3d 8 cktest/seg19 9 v3p3sys 10 seg4 11 seg5 12 seg30/dio10 45 c om0 14 c om1 15 c om2 16 c om3 17 seg0 18 seg1 19 seg2 20 seg29/dio9 44 seg6 25 seg7 26 seg8 27 seg9 28 seg10 29 seg11 30 seg12 31 seg13 32 seg16 35 seg17 36 seg18 37 ice_e 38 seg24/dio4 39 seg25/dio5 40 seg26/dio6 41 seg27/dio7 42 seg28/dio8 43 rx 48 reset 51 opt_rx/dio1 60 e_rst/seg32 66 e_tclk/seg33 67 pb 65 test 63 vbat 49 gnnd2 61 seg31/dio11 46 seg40/dio20 47 dio3 5 seg14 33 seg15 34 seg41/dio21 68 seg34/dio14 21 seg35/dio15 22 seg36/dio16 23 seg37/dio17 13 seg19/dio19 24 r23 nc 0603 iceen gnd dio11 dio10 r28 nc 0603 r24 nc 0603 dio9 r29 nc 0603 dio20 r30 nc 0603 r25 nc 0603 r26 nc 0603 j12 debug sip100p4 1 2 3 4 r37 10k 0603 gnd dio8 r31 nc 0603 dio21 urx u tx v3p3 pma0 j10 pins sm bus onenet packetpower smbrxd no connect no connect no connect reset c19 nc 0603 r22 0 0603 no connect no connect smbckhdb smbaltrb smbtxlob smbclock sw1 nc ep11 r27 nc 0603 gnd r57 r56 sw1 optional reset switch 1000pf 1k 1k evq-pjx05m panasonic c28 ce dataclk int sclk sread sdata sle gnd gnd dataio
78m6612 split - phase evaluation board user manual um_6612_044 26 rev. 1. 1 5.2 78m 6612 split - phase evaluation board bill of materials table 5 : 78m 6612 s plit - phase evaluation board bill of materials item q ty reference part pcb footprint digi - key/mouser part number part number rohs manufacturer 1 5 c3,c5,c20, c31,c32 1000pf rc0603 445-1298-1 -nd c1608x7r2a102k yes tdk 2 9 c1,c13,c18, c21,c22,c26, c27,c29,c30 0.1uf rc0603 445-1314-1 -nd c1608x7r1h104k yes tdk 3 2 c 2,c15 10uf, 25v rc1812 478-1762-1 -nd tpsc106k025r0500 yes avx 4 2 c7,c8 27pf rc0603 445-1274-1 -nd c1608c0g1h270j yes tdk 5 1 c4 100pf rc0603 445-1281-1 -nd c1608c0g1h101j yes tdk 6 1 c28 0.015 uf rc0603 80- c0603c153k3r c0603c153k3ractu yes kemet 7 1 c14 1 uf rc0603 445-1416-1 -nd c1608x5r1c105k yes tdk 8 1 c 25 4.7uf rc1206 445-1606-1 -nd c3216x7r1e475k yes tdk 9 1 c11 1 uf , 20v rc1206p 445-1592-1 -nd c3216x7r1e105k/0.85 yes tdk 10 1 c12 220uf ,25v,lo imp uudb 647- uud1e221mnl uud1e221mnl 1gs yes nichicon 11 1 c10 0.1 uf , 450v c330 80- c330c104kcr c330c104kcr5ta yes kemet 12 1 c9 22uf , 450v xrl450b 140- rea220m2wbk1625p rea220m2wbk -1625p yes lelon 13 1 j3 +5vext rapc 502- rapc712 rapc721a yes switchcraft 14 2 j12,tp1 header 4 4x1pin s1011e -36-nd pbc36saan yes sullins connector solutions 15 1 j11 header 6 6x1pin s1011e -36-nd pbc36saan yes sullins connector solutions 16 1 j10 header 18 9x2pin s2211e -18-nd pbc18dfan yes sullins connector solutions 17 2 j2,tp2 header 2 2x1pin s1011e -36-nd pbc36saan yes sullins connector solutions 18 1 j22 usb usb -b 154-2442-e 154-2442-e yes kobiconn 19 1 r17 0.004, 1%, 2.5w 2512 66- ulr25r004flftr ulr25r004flftr yes irc /tt electronics 20 4 r2,r6, r18,r41 750 , 0.1% rc0603 rg16p750b ct -nd rg1608p -751-b-t5 yes susumu 21 2 r40,r42 4.99,1% rc1210 660- sr732ette4r99f sr732ette4r99f yes koa speer 22 3 r33,r34,r35 470 rc0603 p47 0gct -nd erj - 3geyj471v yes panasonic
um_6612_044 78m6612 split - phase evaluation board user manual rev. 1. 1 27 item q ty reference part pcb footprint digi - key/mouser part number part number rohs manufacturer 2 4 4 r 4,r5,r7,r8 1m, 0.1% rc1206 660- rn732bttd1004b25 rn732bttd1004b25 yes koa speer 25 1 r1 16.9k,1% rc0603 660- sr732ette16r9f sr732ette16r9f yes koa speer 26 1 r11 17.4k,1% rc0603 660- sr732ette17r4f sr732e tte17r4f yes koa speer 27 1 r9 10.0k,1% rc0603 660- sr732ette10r0f sr732ette10r0f yes koa speer 28 1 r3 20.0k,1% rc0603 660- sr732ette20r0f sr732ette20r0f yes koa speer 29 1 r22,538,r39 0 rc0603 p0 0g ct -nd erj - 3geyj0 00v yes panasonic 30 1 r32 330 rc0603 p330gct -nd erj - 3geyj331v yes panasonic 31 3 r15,r36,r37 10k rc0603 p10kgct -nd er j- 3geyj103v yes panasonic 32 1 r16 1k rc0603 p1 .0kgtr -nd erj - 3geyj1 02v yes panasonic 33 1 r19 2 k rc0603 p2 .0kgtr -nd erj - 3geyj2 02v yes panasonic 34 1 r10 10, 1.2w rc1210w 660- rk73h2ette10r0f rk73h2ette10r0f yes koa speer 35 2 led1,led2 green led100 606- 4300h5lc 4300h5lc yes chicago miniature 36 1 led3 red led100 606- 4300h1lc 4300h1lc yes chicago miniature 37 1 led4 yellow led100 606- 4300h7lc 4300h7lc yes chicago miniature 38 2 ct1,ct2 50a,1:1000 ct020p2a 582-1084-nd cr8349-1000-n no cr magnetics 40 1 rl1,rl2 16a,12v,spdt alz 255-1446-nd alz12f12 yes panasonic 41 1 l1 1000u h, 0.5a 4800s 580- 48102sc 48102sc yes murata 42 1 d1 1a, 400v smb 621- s1gb -f s1gb -13-f yes diodes, inc 43 1 q2 pnp,500ma,30v sot23t 610- cmpta63 cmpta63 yes central semiconductor 44 1 znr1 275v ve09p 576- v07e275p v07e275p yes littelfuse 45 1 u2 ft232 32qfn 895 - ft232rq ft232qfn32 yes ftdi 46 1 u3 adum3201 8soic adum3201arz - nd adum3201 yes analog devices 47 1 u1 78m6612 68qfn ? 78m6612 -im yes teridian 48 1 vr 2 ucc284 soic8 595-ucc284dp - adj ucc284dp - adj yes ti 49 1 vr 1 bp5045a sip10bp 755- bp5045a bp5045 yes rohm semiconductor 50 1 y1 32.768 khz smd 12.5pf abs25 535-9166-1 -nd abs25 - 32.768khz -t yes abracon
78m6612 split - phase evaluation board user manual um_6612_044 28 rev. 1. 1 5.3 78m 6612 split - phase evaluation board pcb layouts f igure 10 : 78m 6612 split - phase evaluation board pcb top vi ew figure 11: 78m 6612 split - phase evaluation board pcb bottom view
um_6612_ 044 78m6612 split - phase evaluation board user manual rev. 1. 1 29 6 ordering information part description order n umber 78m661 2 split - phase evaluation board 7 8m661 2sp -evm-1 7 includ ed documentation the following 78m661 2 documents are included on the cd: 78m661 2 data sheet 78m6612 split - phase evaluation board user manual 8 contact information for more information about maxim products or to check the availability of the 78m661 2 , contact technical support at www.maxim - i c.com/support .
78m6612 split - phase evaluation board user manual um_6612_044 30 rev. 1. 1 revision history revision date description pages changed 1.0 11/8/2010 initial release ? 1.1 5 / 2 4 /2011 added section 2.2, relay configuration. delete d section 3, command line interface (cli); these command descriptions have been moved to the 6612_spl_s2+3_urt_v1_14 split - phase firmware description document . 10 17-27

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