HA13705C Datasheet | Hitachi Semiconductor

Description The HA13705C is high side power driver IC with protectors and diagnostic function. The device is especially designed to switch inductive loads. Functions - - - - - - - - Power MOS source follower output (2 A) With Over Voltage Shut Down circuit (OVSD) With Over Current protector circuit (OCSD) With Over Temperature Shut Down circuit (OTSD) With diagnostic circuit and status output With fail safe function under input open circuit condition With low voltage inhibit circuit (LVI) With output negative voltage clamp circuit Features - - - - - - - Protected against 60 V load dump condition Low RON (0.17 Ω Typ) Wide operating supply voltage range (VDD = 7 V to 25 V) High sustaining voltage (- 25 V) Protected against reverse supply voltage (- 13 V) Protected against short circuit condition Input patible with TTL, LS-TTL, or 5 V CMOS Pin Arrangement VDD GND OUT INPUT STATUS (Top View) Block Diagram VDD 3 LVI INPUT 2 OVSD Charge Pump Voltage Clamp OUT 5 Current Sense + - OSC. Latch Vref STATUS 4 Band Gap Ref. 175 160 Open, Short to VDD Detector Diagnostic Logic 1 GND Truth Table Mode Normal In L H Load short L H Load open L H Short to VDD OTSD - 1 Out L H L L H H H H L L L L L L Status L H L L H H H H L L H H H H OVSD - 3 -...