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S-8225A Datasheet - Seiko Instruments

S-8225A-SeikoInstruments.pdf

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Datasheet Details

Part number:

S-8225A

Manufacturer:

Seiko Instruments

File Size:

573.09 KB

Description:

Battery monitoring ic.

S-8225A, BATTERY MONITORING IC

1 CTLD DO control pin 2 CTLC CO control pin 3 CO Output pin for overcharge detection 4 DO Output pin for overdischarge detection 5 SEL1 6 SEL2 Switching pins for 3-serial to 5-serial cell *1 7 CDT Capacitor connection pin for delay for overdischarge detection voltage 8 CCT Capacitor

S-8225A Series www.sii-ic.com © Seiko Instruments Inc., 2012-2015 BATTERY MONITORING IC FOR 3-SERIAL TO 5-SERIAL CELL PACK Rev.1.7_00 The S-8225A Series includes high-accuracy voltage detection circuits and delay circuits, and can monitor the status of 3-serial to 5-serial cell lithium-ion rechargeable battery in single use.

By switching the voltage level which is applied to the SEL1 pin and SEL2 pin, users are able to use the S-8225A Series for 3-serial to 5-serial cell pack.

By cascade conn

S-8225A Features

* High-accuracy voltage detection function for each cell Overcharge detection voltage n (n = 1 to 5) 3.5 V to 4.4 V (50 mV step) Overcharge release voltage n (n = 1 to 5) Accuracy ±20 mV (Ta = +25°C), ±30 mV (Ta = 0°C to +60°C) 3.3 V to 4.4 V

* 1 Accuracy ±50 mV Overdischarge detec

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