lin, iso-9141 j-1850 physical interfaces d suffix ef suffix (pb-free) plastic package 98asb42565b 14 pin soic ordering information device temperature range (t a ) package mc33199d -40c to 125c 14 soic mcz33199ef/r2 33199 document number: mc33199 rev. 4.0, 10/2006 freescale semiconductor technical data freescale semiconductor, inc. reserves the right to change the detai l specifications, as may be required, to permit improvements in the design of its products. ? freescale semiconductor, in c., 2007. all rights reserved. archive information archive information automotive iso 9141 serial link driver the mc33199 is a serial interface circuit used in diagnostic applications. it is the interface between the microcontroller and the special k and l lines of the iso diagnostic port. the mc33199 has been designed to meet the ?diagnosis system iso9141? specification. the device has a bi-directional bus k line driver, fully protected ag ainst short circuits and over temperature. it also includes the l line receiver, used during the wake up sequence in the iso transmission. the mc33199 has a unique feature which allow transmission baud rate up to 200kbaud. features ? electrically compatible with specification ?diagnosis system iso9141? ? transmission speed up to 200kbaud ? internal voltage reference generator for line comparator th resholds ? txd, rxd and lo pins are 5v cmos compatible ? high current capability of dia pin (k line) ? short circuit protection for the k line input ? over temperature shutdown with hysteresis ? large operating range of driver supply voltage ? large operating temperature range ? esd protected pins ? pb-free packaging designated by suffix code ef vcc lo rxd txd vs l i1 dia gnd 33199 mcu vdd i/o scirxd scitxd v dd v bat iso l-line iso k-line vdd (bus) figure 1. simplified application diagram
+ ? + ? current limit thermal shutdown driver c1 v cc i1 source c2 reference generator protection 33199 vs vcc l i1 dia gnd ref-out lo ref-in-l ref-in-k txd rxd analog integrated circuit device data 33199 internal block diagram archive information archive information internal block diagram figure 2. 33199 simplifi ed internal block diagram
33199 vcc ref-in-l ref-in-k lo rxd txd nc ref-out vs l i1 gnd dia nc 1 2 3 4 5 6 7 14 13 12 11 10 9 8 analog integrated circuit device data freescale semiconductor 3 33199 pin connections archive information archive information pin connections figure 3. 33199 pin connections table 1. pin definitions a functional description of each pin can be found in the functional pin description section, beginning on page 12 . pin number pin name definition 1 vcc 5v typical power supply pin. typi cal supply current is less than 1.5ma 2 ref-in-l input reference for c2 comparator. 3 ref-in-k input reference for c1 comparator. 4 lo this pin control sleep mode, transmit level, and speed. it has a weak pulldown. 5 rxd open drain output of the data on bus. a recessiv e bus = a logic [1], a dominant bus = logic [0]. an external pullup is required. 6 txd data input here will appear on the bus pin. a logi c [0] will assert the bus, a logic [1] will make the bus go to the recessive state. 7, 8 nc no internal connection to these pins. 9 dia provides a battery-level logic signal. 10 gnd electrical common ground and heat removal. a good thermal path will also reduce the die temperature. 11 i1 power input. an external diode is needed for reverse battery protection. 12 l the external bus load resistor connects here to pr event bus pullup in the ev ent of loss of module ground. 13 vs this pin connects to the bus through external components. 14 ref-out internal reference voltage generator output pin.
analog integrated circuit device data 4 freescale semiconductor 33199 electrical characteristics maximum ratings archive information archive information electrical characteristics maximum ratings table 2. maximum ratings all voltages are with respect to ground unless otherwise no ted . exceeding these ratings may cause a malfunction or permanent damage to the device. ratings symbol value unit electrical ratings (1) vs supply pin dc voltage range transient pulse (2) v s v pulse 0.5 to + 40 2 to + 40 v vcc supply dc voltage range v cc 0.3 to + 6.0 v dia and l pins (2) dc voltage range transient pulse (clamped by internal diode) dc source current dia low level sink current - 0.5 to + 38 -2 - 50 int. limit v v ma ma txd dc voltage range -0.3 to v cc +0.3 v ref-in dc voltage range vs < vcc vs > vcc -0.3 to v cc -0.3 to v s v esd voltage capability v esd +/-2000 v thermal ratings storage temperature t stg 55 to + 150 c operating junction temperature t j 40 to + 150 c thermal resistance, junction to air r tja 180 c/w max power dissipation (@ t a =105 c) p d 250 mw peak package reflow temperature during reflow (3) , (4) t pprt note 4. c notes 1. the device is compatible with spec ification: ?d iagnosis system iso9141? 2. see the test circuit ( figure 26 ). transient test pulse according to iso76371 and din 40839, highest test levels 3. pin soldering temperature limit is for 10 seconds maximum dura tion. not designed for immersion so ldering. exceeding these lim its may cause malfunction or permanent damage to the device. 4. freescale?s package reflow capability m eets p b-free requirements for jedec standard j-std-020c. for peak package reflow temperature and moisture sensitivity levels (msl), go to www.freescale.com, search by part number [e.g. remove pref ixes/su ffixes and enter the core id to view all orderable parts . (i.e. mc33xxxd enter 33xxx), and review parametrics.
analog integrated circuit device data freescale semiconductor 5 33199 electrical characteristics static electrical characteristics archive information archive information static electrical characteristics table 3. static electric al characteristics characteristics noted under conditions v cc from 4.5v to 5.5v, v s from 4.5v to 20v unless otherwise note. typical values reflect approximate mean at 25c, nominal vcc and vs, at time of device characterization. typical values noted reflect the approximate parameter means at t a = 25 c under nominal conditions unless otherwise noted. characteristic symbol min typ max unit vcc pin 1 vcc supply voltage range v cc 4.5 5.5 v vcc supply current (6) i cc 0.5 1.0 1.5 v ref-in-l pin 2 and ref-in-k pin 3 ref-in-l & ref-in-k input voltage range: for 0 |