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| BUS IC DC/DC CONVERTER MOTOR DRIVER IC RIPPLE COUNTER DRIVER IC I/O IC SENSOR IC SENSOR INTERFACE IC HALIOS(R) optical switch HALIOS(R) Micromouse y Hall sensor interface 8 *, par. out Hall sensor interface 6 *, ser. out PIR controller Hall sensor interface 4 *, par. out y Hall sensor- and contact monitor (8 channel, parallel interface) FEATURES y y y y y y y y y y Supply voltage range VS 5.25 to 25V Supply voltage range VDD 4.75 to 5.25V Maximum overvoltage protection up to 40V Low standby current (typical IS = 13A) Contact status monitoring by comparison of the switch resistance with internal reference Inputs are current limited High noise immunity Overtemperatur protected - 40C to + 125 C operating temperature SO20w package The input current as well as the tristate driver are activated with APPLICATION y y y Automotive electronics Monitor for Hall Sensors Monitor for mechanical switches the enable pin. Due to the tristate outputs the IC can be used in bus configuration. If the IC is used to monitor switches, the switch resistance must be higher than 5kY for `1' and less than 330Y for `0' at the output. The input currents are compared to internal references. Currents exceeding - 11mA will force a logic `0' at the output, while currents higher than -6mA will result in a logic `1' at the output. DESCRIPTION The IC is developed for automotive applications. It continuously monitors up to 8 hall sensors or switches to GND. PINNING Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Name VS IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 EN GND OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 OUT0 VDD Description Supply voltage Input for sensor or switch to GND Input for sensor or switch to GND Input for sensor or switch to GND Input for sensor or switch to GND Input for sensor or switch to GND Input for sensor or switch to GND Input for sensor or switch to GND Input for sensor or switch to GND Chip enable for input current and tristate outputs, active low Ground TTL compatible tristate data port TTL compatible tristate data port TTL compatible tristate data port TTL compatible tristate data port TTL compatible tristate data port TTL compatible tristate data port TTL compatible tristate data port TTL compatible tristate data port Logic supply voltage VS IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 EN 1 2 3 4 5 6 7 8 9 10 E910.41 PACKAGE 20 19 18 17 16 15 14 13 12 11 VDD OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 GND BLOCK DIAGRAM VBAT VS VDD VDD CH7 CH0 Imax EN EN IN0 OUT0 IN1 IN2 OUT2 IN3 OUT3 IN4 OUT 4 IN5 OUT 5 IN6 OUT 6 IN7 OUT7 B Vref. OUT 1 C 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 significantly affect its safety or effectiveness. Products are not authorized for use in such applications. Copyright (c) 2005 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited. www.elmos.de | sales@elmos.de 92 elmos product catalog june 2005 93 |
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