AS8506C datasheet(1/94 Pages) AMSCO

Part #	AS8506C

Description	Battery Cell Monitor and Balancer IC

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Manufacturer	AMSCO [ams AG]

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ams Datasheet: 2014-Jun-23 [v1-00]

AS8506C – 1

AS8506C

Battery Cell Monitor and Balancer IC

The AS8506C is a battery management IC dedicated to support

cell voltage measurement, monitoring, cell balancing and

temperature measurement functions in Li-Ion battery stacks for

industrial/consumer/PV battery applications.

Ambient temperature range is from -40°C to +85°C.

It features cell voltage diagnosis with externally adjustable

upper and lower cell voltage limits, fast cell voltage capture on

request through 12-bit SAR ADC, passive cell balancing by

simultaneous comparison of actual cell voltages with a

reference cell voltage and temperature measurement on two

external NTC sensors through 12-bit ADC.

Cells that are above reference will sequentially be discharged

through integrated switches and one external resistor.

There is also an active balancing option AS8506C A through

factory setting to sequentially charge cells which are below

reference from an external DC-DC Flyback converter and an

integrated low side driver.

The device can be used flexibly for battery stacks up to 7 cells

with a minimum stack voltage of 6V and a maximum stack

voltage of 32V.

It can be chained to support battery packs of virtually any

number of cells in synchronized mode through chained clock

and trigger signal.

The status of the battery stack is communicated to outside

world through OR’d voltage_ok signal and balance ready signal.

Ordering Information and Content Guide appear at end of

datasheet.

General Description

Similar Part No. - AS8506C

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