bus ic dc/dc converter motor driver ic ripple counter 56 block diagram driver ic i/o ic sensor ic sensor interface ic 57 elmos product catalog june 2 00 5 note elmos semiconductor ag (below elmos) reserves the right to make changes to the product contained in this publication without notice. elmos assumes no responsibility for the use of any circuits described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. while the information in this publication has been checked, no responsibility, however, is assumed for inaccuracies. elmos does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of a life-support system or to signi?cantly affect its safety or effectiveness. products are not authorized for use in such applications. copyright ? 2 00 5 elmos reproduction, in part or whole, without the prior written consent of elmos, is prohibited. www.elmos.de | sales@ elmos .de pinning package ? l ow side driver 8x, seri al l ow side driver 8 x, pa rallel lcd controller ? l ow side driver ( 8 channel, serial interface) e 9 1 0 . 0 1 features ? supply voltage range vdd 4 . 5 v to 5 . 5 v ? low standby current (typical < 1 a) ? serial structure for direct c interfacing ? cascadable ? output status detection ? ttl - compatible input levels with threshold hysteresis ? 8 high current outputs (r on typ. 1 . 5 y / i max = 3 5 0 ma) ? wide output operating voltage range ( 5 . 5 to 2 5 . 5 v) ? output open- and short - circuit detection ? individual output short - circuit protection ? thermal overload protection ? C 4 0 c to + 1 2 5 c operating temperature ? so 2 0 w package a pplication driver for: ? relays ? lamps / leds ? dc and stepper motors d escription the ic is developed for automotive applications and can also be used in several other application areas. the ic is well suited to drive relays, lamps, bus systems etc. with medium power consumption. the device provides a serial data bus for comunication with a c and 8 identical power drivers. all outputs are short circuit pro - tected. a thermal shut-off protects the device against thermal overload. readback capability enables fault detection as well as simple switch monitoring. c 8 8 8 interface control logic ovld prot. out 0 ... 7 vdd vdd reset ce sclk si so 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 gn d te st ou t3 ou t2 ou t1 ou t0 ce sc lk si gn d gn d nc ou t4 ou t5 ou t6 ou t7 r eset vdd so gn d pin name description 1 gnd ground 2 test connect to ground 3 out 3 open - drain low - side driver 4 out 2 open - drain low - side driver 5 out 1 open - drain low - side driver 6 out 0 open - drain low - side driver 7 ce open - drain low - side driver 8 sclk chip enable - active low (output data is read back on the falling edge of the pulse and only after 8 x n falling edges on sclk is the output data clocked on the next rising edge) 9 si serial clock input 1 0 gnd serial data input 11 gnd ground 1 2 so ground 1 3 vdd serial data output (high impendence when ce = high) 1 4 reset supply voltage 1 5 out 7 external reset - active low (= internal power on reset) 1 6 out 6 open - drain low - side driver 1 7 out 5 open - drain low - side driver 1 8 out 4 open - drain low - side driver 1 9 nc not connected 2 0 gnd ground
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