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High side current sensor companion IC


  • LDOs for 5V or 3.3V output – selected by factory programming
  • LIN 2.0/2.1 transceiver, load independent slew control
  • Microcontroller interface for configuration, diagnosis and status readout, watch dog trigger and backup register access


  • Conforms to latest LIN 2.1 Standard
  • Reduced size and increased reliability
  • Flexibility due to various factory options to tailor the device
  • Fast development due to device derivatives

Product parameters

Typical Standby Quiescent Current [µA] 50
Operating Supply Range [V] 6 to 18
Regulated Output Voltage [V] 3.3 or 5
Ambient Temperature Range [°C] -40 to +125
Package QFN32

General Description

The AS8525 is a companion IC for battery- and current sensor LIN slaves. The integrated chop clock synchronization enables a zero offset measurement system for small shunt signals in positive battery rail in conjunction with AS8510.

This product suits for the following applications:

  • Battery sensor – High Side current sensor companion IC

Technical Documents

Type Description Language
Datasheet Document version 2.8 English


Type Description Language
Product Change Notification PCN38-2018 (AS50xx, AS51xx, AS52xx, AS54xx, AS8xxx) English

Other Information

Type Description Language
Block Diagram AS8525 Block Diagram English
Block Diagram AS8525 Application Diagram English
Factsheet Sensor Companion English

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