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general description the MAX20332 evaluation kit (ev kit) is a fully assembled and tested pcb that evaluates the MAX20332 usb charger detection with integrated overvoltage protector. the ev kit features a pmod? connector, allowing the usb2pmb2 adapter board to provide i 2 c interface. the ev kit features an on-board ldo to generate a supply voltage from the usb +5v. the on-board ldo output is confgurable for 4.2v, 3.3v, or 2.3v to power the ic. the ev kit software controls the usb2pmb2 adapter board over the usb, which generates i 2 c commands. features usb-powered operation proven high-speed usb pcb layout pmod i 2 c interface usb connectors for device multiplexing surface-mount components fully assembled and tested 319-100202; rev 0; 5/18 ordering information appears at end of data sheet. quick start recommended equipment note: in the following sections, software-related items are identified by bold text. text in bold refers to items directly from the install of ev kit software. text which is bold and underlined refers to items from the windows operating system. MAX20332 ev kit (usb cables included) two usb drives user-supplied windows xp ? , windows vista ? , windows ? 7, and windows 10 pc with two available usb ports procedure the ev kit is fully assembled and tested. follow the steps below to verify board operation. caution: do not turn on the power supply until all connections are completed. 1) visit https://www.maximintegrated.com to download the latest version of the ev kit software, MAX20332evkitsetupvxxx.zip located on the MAX20332 ev kit web page. download the ev kit software to a temporary folder and uncompress the zip fle. 2) install the ev kit software on your computer by running the MAX20332evkitsetupvxxx.exe program inside the temporary folder. 3) verify that all jumpers are in their default positions, as shown in table 1 . 4) connect the usb2pmb2 adapter board to j1 pmod connector on the ev kit. 5) connect a usb a-to-micro-b cable between the pc and the x1 port on the usb2pmb2. usb driver should be installed automatically. 6) connect the usb a-to-micro-b cable between the pc and the usb1 port on the ev kit. 7) connect the usb a-to-micro-b cable between the pc and the usb4 port on the ev kit. pmod is a trademark of digilent inc. windows, windows xp, and windows vista are registered trademarks and registered service marks of microsoft corporation. click here for production status of specifc part numbers. evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 2 8) start the MAX20332 ev kit tool. the ev kit software main window appears, as shown in figure 2 . 9) if connection is successfully established, the status bar at the bottom displays connected . 10) connect the two usb drives to the usb2 and usb3 ports on the ev kit. 11) in the control panel tab, select usb switches connected to ut/ur position from the drop-down list in the usb switch control group box. 12) verify that the usb drive connected to the usb3 port is displayed in the computer windows, devices with removable storage section. 13) select usb switches connected to td+/td- position from the drop-down list in the usb switch control group box. 14) verify that the usb drive connected to the usb2 port is displayed in the computer windows, devices with removable storage section. 15) the ev kit is now ready for additional evaluation. figure 2. MAX20332 ev kit software main window (control panel tab) www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 3 detailed description of software graphic user interface (gui) the MAX20332 ev kit software gui provides a convenient way to test the features of the MAX20332. figure 2 shows the ev kit softwares control panel tab sheet, while figure 3 shows the control registers tab sheet. the ev kit software control panel tab sheet divides the ev kit functions into logical blocks. the ev kit software register map tab sheet allows configuration of all the i 2 c registers of the MAX20332. the register to be read from or written to can be selected in the left table. the right table contains descriptions for each bit of the selected 8-bit register. at the bottom of the tab page, all bits are displayed along with their field names. to set a bit, click the bit label. bold text represents logic 1 and regular text represents logic 0. to commit the changes to the device, click write in the bottom right of the tab page. software startup upon starting the program, the ev kit software automatically searches for the usb interface circuit and then for the ic device address. the ev kit enters the normal operating mode when the usb connection is detected and has found the device address. if the usb connection is not detected, the status bar displays not connected . if the usb connection is detected but the MAX20332 is not, the status bar displays MAX20332 not detected . the read all button reads all the registers visible on the current tab page. all statuses are polled continuously. the polling feature can be disabled in the options section of the menu bar by selecting disable polling . device id t he device info group box displays the ics vendor id , and chip rev . interrupt settings the interrupt settings group box features an enable interrupt button to enable or disable the ic interrupt logic. this group box also features radio group boxes to configure the interrupt polarity , interrupt type , and interrupt delay . interrupts and status the interrupt and status group box shows the state of the status registers and their corresponding interrupts. by checking or unchecking the mask option, the user can control which interrupts cause the int output to be pulled low when asserted. clicking the read interrupts button will read and clear the interrupts visible in the current tab. asserted interrupts are denoted by bold text in the interrupt name field. all statuses are polled continuously. the polling feature can be disabled in the options section of the menu bar by selecting disable polling . data contact detection the data contact detection (dcd) group box provides a dcd enabled checkbox to enable or disable the dcd, and a dcd exit method radio group box to set the dcd exit method. usb switch control the usb switch control group box configures the ics usb1 port. the usb1 port can be connected to usb2, usb3, or disconnected from both ports. adc the adc group box provides an enable adc button to enable or disable the adc, an id auto switch control button to enable or disable the id auto switch, and an adc debounce time drop-down list to set the adc debounce time. charger detection the charger detection group box provides enable charger detection button to enable or disable the charger detection, a manual charger detection button to force a charger detection manually. charger type the charger type group box displays the result of the charger detection and the status of the charger type interrupt. by checking or unchecking the interrupt mask checkbox, the user can also control if the interrupt causes the int output to be pulled low when asserted. usb switch control the usb switch control group box configures the usb switches. general settings the general settings group box provides four buttons for general settings. the enable low power mode button enables or disables the low-power mode. the enable charge pump button enables or disables the charge pump for the negative signals. the usb compliant button sets the usb compatibility of the device. the enable apples next charger detection button enables or disables apples next (future) charger detection. this group box also features a radio group box for configuring the manual ovp control. charger control enable output the charger control enable output group box features a force ce output button to force enable the ic ce output logic. when this button is toggled on, ce output logic value is set by the ce output forced value. www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 4 detailed description of hardware the MAX20332 ev kit evaluates the MAX20332 usb charger detection with integrated overvoltage protector, which communicates over the i2c interface. the ev kit demonstrates the ic features such as charger detection, overvoltage protection, and usb switch control. the ev kit uses the ic in a 16-bump (1.6mm x 1.6mm) wafer-level package (wlp) on a proven, four-layer pcb design. the ev kit operates from the usb +5v dc and therefore does not require an external power supply. usb connectors the ev kit provides usb connectors to accommodate the usb devices. connect the output usb devices to the usb2 and usb3 connectors and connect the input device to the usb1 connector to evaluate the ics usb switches. test points the ev kit provides test points to access the ic input/ output signals. when charging a battery using a power- management integrated circuit (pmic), connect the pmic input to the out test point, connect the pmic charger enable pin to the ce test point, and connect the pmic charger output and ground to the vbat and gnd test points, respectively. connect the battery positive terminal to the vbat test point. connect the battery negative terminal to the gnd test point. db circuit the ev kit provides circuits to indicate the db (u1-a3) output status. the circuits include u3, u4, n1, n2, d8, d9, d10, and their associated resistors and capacitors. the circuits are powered by out through jumper ju13. when db outputs a logic-low, led d9 illuminates. when db outputs high impedance, led d10 illuminates. table 1. jumper table (ju1Cju13) jumper shunt position description ju1 1-2* on-board vb supply. connects vbus (usb4-1) to vb. 2-3 external vb supply. externally supply vb with 3.5v to 36v. ju2 1-2* on-board vbat supply. connect int_vbat to vbat. 2-3 external vbat supply. externally supply vbat with 2.8v to 5.5v. ju3 closed* on-board i2c. connects the on-board scl signal to the scl test point. open user-supplied i2c. open the jumper and apply the scl signal to the scl test point. ju4 closed* on-board i2c. connects on-board sda signal to the sda test point. open user-supplied i2c. open the jumper and apply the sda signal to the sda test point. ju5 closed* connects the int test point to an led indicator. open disconnects the int test point from an led indicator. ju6 closed* connects the ce test point to an led indicator. open disconnects the ce test point from an led indicator. ju7 closed* connects the vb test point to an led indicator. open disconnects the vb test point from an led indicator. ju8 closed* connects the vbat test point to an led indicator. open disconnects the vbat test point from an led indicator. ju9 closed* connects the out test point to an led indicator. open disconnects the out test point from an led indicator. ju10 1-2* int_vbat = 2.3v. 1-3 int_vbat = 3.3v. 1-4 int_vbat = 4.2v. www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 5 table 1. jumper table (ju1Cju13) (continued) * default position. # denotes rohs compliant. note: indicate that you are using the MAX20332 when contacting these component suppliers. jumper shunt position description ju11 1-2 adc detection resistor = 30.1k w . 3-4 adc detection resistor = 80.6k w . 5-6 adc detection resistor = 150k w . 7-8 adc detection resistor = 200k w . 9-10 adc detection resistor < 1.50k w . open* adc detection resistor > 750k w . ju12 closed usb1 shield connected to gnd. open* usb1 shield not connected to gnd. ju13 closed* db circuit powered by out. open db circuit not used. ju14 1-2 on-board 3.3v supply. connect +3.3v to vio. 2-3* external vio supply. externally supply vio. ju15 1-2 connects vbus2 to out. 2-3* connects vbus2 to +5v component suppliers supplier website murata americas www.muratamericas.com tdk corp www.component.tdk.com ordering information part type MAX20332evkit# ev kit www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 6 MAX20332 ev kit bill of materials item ref_des qty mfg part # manufacturer value description comments 1 ur, ut, vb, +5v, out, td+, td-, vbat, ext_5v, ext_vbat 10 5000 keystone n/a test point; pin dia=0.1in; total length=0.3in; board hole=0.04in; red; phosphor bronze wire silver plate finish; 2 c1, c3, c7, c9-c11, c115 7 grm21br71h105ka12; cl21b105kbfnnne; c2012x7r1h105k085ac; umk212b7105kg murata; samsung electronics;tdk; taiyo yuden 1uf capacitor; smt (0805); ceramic chip; 1uf; 50v; tol=10%; tg=-55 degc to +125 degc; tc=x7r 3 c2, c100, c102, c103 4 c0603c104k5rac; c1608x7r1h104k kemet;tdk 0.1uf capacitor; smt (0603); ceramic chip; 0.1uf; 50v; tol=10%; tg=-55 degc to +125 degc; tc=x7r; 4 c4-c6, c101 4 grm31cr71h475ka12 murata 4.7uf capacitor; smt (1206); ceramic chip; 4.7uf; 50v; tol=10%; model=; tg=-55 degc to +125 degc; tc=x7r 5 c8, c114 2 grm21br71a106ke51 murata 10uf capacitor; smt (0805); ceramic chip; 10uf; 10v; tol=10%; model=grm series; tg=-55 degc to +125 degc; tc=x7r 6 ce, db, cd+, cd-, int, scl, sda 7 5002 keystone n/a test point; pin dia=0.1in; total length=0.3in; board hole=0.04in; white; phosphor bronze wire silver; 7 d1, d2, d9 3 ls l29k-g1j2-1-z osram ls l29k-g1j2-1-z diode; led; smart; red; smt (0603); piv=1.8v; if=0.02a; - 40 degc to +100 degc 8 d3-d5, d8 4 598-8070-107f dialight 598-8070-107f diode; led; standard; green; smt (0603); piv=3.2v; if=0.02a 9 d7 1 cmpz5242b central semiconductor 12v diode; znr; smt (sot-23); vz=12v; iz=0.02a 10 d10 1 ltst-c150kskt lite-on electronics inc. ltst-c150kskt diode; led; ultra bright chip led; yellow; smt (1206); piv=2.1v; if=0.02a 11 j1 1 tsw-106-08-s-d-ra samtec tsw-106-08-s-d-ra connector; through hole; double row; right angle; 12pins; 12 ju1, ju2, ju14, ju15 4 pec03saan sullins pec03saan connector; male; through hole; breakaway; straight; 3pins 13 ju3-ju9, ju12, ju13, ju16 10 pec02saan sullins pec02saan connector; male; through hole; breakaway; straight; 2pins 14 ju10 1 tsw-104-07-l-s samtec tsw-104-07-l-s evkit part-connector; male; through hole; tsw series; single row; straight; 4pins 15 ju11 1 pec05daan sullins electronics corp. pec05daan connector; male; through hole; breakaway; straight; 10pins; -65 degc to +125 degc 16 n1, n2 2 fdv303n fairchild semiconductor fdv303n tran; digital fet; nch; sot-23; pd-(0.35w); ic-(0.68a); vceo-(25v); -55 degc to +150 degc 17 r1, r16, r21 3 rc1608j000cs; cr0603-j/- 000elf;rc0603jr-070rl samsung electronics; bourns;yageo ph 0 resistor; 0603; 0 ohm; 5%; jumper; 0.10w; thick film 18 r2-r5 4 crcw06032k20jn; erj-3geyj222v vishay dale; panasonic 2.2k resistor; 0603; 2.2k ohm; 5%; 200ppm; 0.10w; thick film 19 r6-r8, r15, r27-r29 7 rr0816p-102-b-t5; pcf0603r-1k0b susumu co ltd; tt electronics 1k resistor; 0603; 1k ohm; 0.1%; 25ppm; 0.063w; metal film 20 r9, r10, r30, r31 4 erj-3geyj104v panasonic 100k resistor; 0603; 100k ohm; 5%; 200ppm; 0.10w; thick film 21 r11 1 crcw0603102kfk vishay dale 102k resistor; 0603; 102k ohm; 1%; 100ppm; 0.10w; thick film www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 7 MAX20332 ev kit bill of materials (continued) item ref_des qty mfg part # manufacturer value description comments 22 r12 1 crcw060343k2fk; erj-3ekf4322v vishay dale; panasonic 43.2k resistor; 0603; 43.2k ohm; 1%; 100ppm; 0.10w; thick film 23 r13 1 crcw060361k9fk vishay dale 61.9k resistor; 0603; 61.9k ohm; 1%; 100ppm; 0.10w; thick film 24 r14 1 crcw0603124kfk vishay dale 124k resistor; 0603; 124k ohm; 1%; 100ppm; 0.10w; thick film 25 r17 1 crcw06033012fk vishay dale 30.1k resistor; 0603; 30.1k; 1%; 100ppm; 0.10w; thick film 26 r18 1 crcw060380k6fk vishay dale 80.6k resistor; 0603; 80.6k ohm; 1%; 100ppm; 0.10w; metal film 27 r19 1 crcw0603150kfk vishay dale 150k resistor, 0603, 150k ohm, 1%, 100ppm, 0.10w, thick film 28 r20 1 crcw06032003fk vishay dale 200k resistor; 0603; 200k; 1%; 100ppm; 0.10w; thick film 29 r22 1 crcw060347k5fk vishay dale 47.5k resistor; 0603; 47.5k; 1%; 100ppm; 0.1w; thick film 30 r23 1 rt0603brd0764k9l yageo phycomp 64.9k resistor; 0603; 64.9k ohm; 0.1%; 25ppm; 0.1w; thin film 31 r24 1 erj-3ekf4422v panasonic 44.2k resistor; 0603; 44.2k ohm; 1%; 100ppm; 0.1w ; thick film 32 r25, r26 2 cpf-a-0603b4k7e te connectivity 4.7k resistor; 0603; 4.7k ohm; 0.1%; 25ppm; 0.063w; thin film 33 su1-su15 15 stc02syan sullins electronics corp. stc02syan test point; jumper; str; total length=0.256in; black; insulation=pbt contact=phosphor bronze; copper plated tin overall 34 tp1, tp2 2 5001 keystone n/a test point; pin dia=0.1in; total length=0.3in; board hole=0.04in; black; phosphor bronze wire silver plate finish; gnd 35 u1 1 MAX20332ewe+ maxim MAX20332ewe+ evkit part - ic; det; usb charger detection with integrated overvoltage protector; package code: w161c1+2; package outline: 21-100246 36 u2 1 max8880eut+ maxim max8880eut+ ic; vreg; ultra-low-iq low-dropout linear regulator with pok; sot23-6 37 u3 1 max9032aua+ maxim max9032aua ic; comp; low-cost, ultra-small, dual single- supply comparator; umax8 38 u4 1 74lvc1g86w5 diodes incorporated 74lvc1g86w5-7 ic; or; single 2 input exclusive or gate; sot25 39 u103 1 max8511exk33+ maxim max8511exk33 ic; vreg; ultra-low-noise, high psrr, low-dropout, linear regulator; sc70-5 ; -40 degc to +85 degc 40 usb1, usb4 2 10118192-0001lf fci connect 10118192-0001lf connector; female; smt; micro usb b type receptacle; right angle; 5pins 41 usb2, usb3 2 67643-3911 molex 67643-3911 connector; female; through hole; usb a-type connector; right angle; 4pins 42 pcb 1 max maxim pcb pcb:max - total 120 www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 8 MAX20332 ev kit schematic 10118192-0001lf +5v MAX20332ewe+ 200k int_vbat 64.9k +5v max8880eut+ pec02saan ls l29k-g1j2-1-z 2.2k pec02saan 2.2k 67643-3911 vbus2 1uf 30.1k 0 1uf tsw-106-08-s-d-ra vio pec03saan 80.6k 0.1uf +3.3v_ext out +3.3v 47.5k pec02saan +3.3v_ext +5v pec03saan 598-8070-107f 1uf +3.3v 598-8070-107f vb vbus vbat pec03saan int_vbat ext_vbat 2.2k +5v 10uf 102k +5v 4.7uf gnd 4.7uf pec02saan vbat 100k 4.7k 1% 1% 100k fdv303n pec02saan 1k 1k pec02saan 1k out 1k vbat vb 12v gnd 1uf 1uf 74lvc1g86w5-7 fdv303n ls l29k-g1j2-1-z 1k 598-8070-107f 1k 4.7k out 150k 0 4.7uf 1% 100k ext_5v pec03saan 2.2k vio vio pec02saan vio 44.2k 0.1uf max8511exk33 vbus2 pec02saan out 10uf 43.2k pec02saan ls l29k-g1j2-1-z 1uf 598-8070-107f 1k 100k vbus vio 124k ltst-c150kskt 67643-3911 vbus2 max9032aua 1uf 0.1uf 0.1uf 0 61.9k tsw-104-07-l-s pec02saan 4.7uf pec05daan 10118192-0001lf vb usb4 +5v c8 ju8 d5 ju7 r3 ju5 usb3 usb2 c9 c7 c2 out ut r20 c100 c102 db r22 d7 r4 td- ur d4 ju9 d2 r6 d3 c4 ext_5v r5 u2 ext_vbat ju2 r23 c103 c115 c101 r19 r21 c5 c6 ju10 ju3 r9 r27 d9 c11 r26 r11 r28 u4 d10 ju13 int r30 sda ju4 r7 r8 ju6 ce r2 n1 c3 d8 r25 n2 r24 r31 td+ r10 ju1 d1 scl r15 c1 ju15 ju14 ju16 c114 j1 ju12 vb u103 r14 r16 u3 c10 r29 u1 cd- cd+ ju11 r17 r18 r12 r13 usb1 r1 vbat sda m_scl ceb int scl m_ceb m_intb scl db sda ceb int idldw idhiz idhigh sda db scl m_sda 1 2 1 2 k a c a 1 2 3 k a 1 2 3 2 1 2 11 10 9 8 5 4 3 2 1 2 3 1 2 3 1 1 2 4 5 3 2 1 2 3 1 2 3 1 k a 1 2 k a 1 2 6 5 1 4 3 2 k a 1 2 k a 1 2 k a 1 2 1 2 3 4 5 6 7 8 9 10 11 10 5 2 1 6 4 5 10 12 b4 d1 a1 a3 b2 b3 7 3 1 c3 c1 a2 b1 6 11 8 9 8 6 6 5 2 7 5 4 3 1 1 2 3 4 2 5 1 4 d2 3 8 1 3 6 2 2 1 3 4 d3 3 2 1 a4 c4 d4 4 c2 9 7 5 2 1 4 7 6 3 shell 1 4 3 2 n.c. out shdn gnd in nc k a 12 11 10 9 8 7 6 5 4 3 2 1 cd- ur td+ td- id ut bat gnd cd+ scl sda ceb int db out vb 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 fb pok out in gnd shdn 1 3 4 2 outb outa vdd inb- ina- inb+ ina+ vss shell 1 4 3 2 g s d vcc gnd a b y g s d www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 9 MAX20332 ev kittop silkscreen MAX20332 ev kittop MAX20332 ev kit pcb layout diagrams 1? 1? www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 10 MAX20332 ev kitinternal 2 MAX20332 ev kitinternal 3 MAX20332 ev kit pcb layout diagrams (continued) 1? 1? www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
maxim integrated 11 MAX20332 ev kitbottom MAX20332 ev kit pcb layout diagrams (continued) 1? www.maximintegrated.com evaluates: MAX20332 MAX20332 evaluation kit
? 2018 maxim integrated products, inc. 12 revision history revision number revision date description pages changed 0 5/18 initial release maxim integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim integrated product. no circuit patent licenses are implied. maxim integrated reserves the right to change the circuitry and specifcations without notice at any time. maxim integrated and the maxim integrated logo are trademarks of maxim integrated products, inc. evaluates: MAX20332 MAX20332 evaluation kit for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim integrateds website at www.maximintegrated.com.

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