SC121

HANGZHOU MICROELECTRONICS CO.,LTD

REV:1.6

2009.07.20

Http:// www.silan.com.cn

Page 1 of 9

ORDERING INFORMATION

Part No.

Package

Marking

Material

Package Type

SC121NTR

121N

Pb free

Tape & Reel

SC121NATR

121NA

Pb free

Tape & Reel

SC121NGTR

121NG

Halogen free

Tape & Reel

SC121NAGTR

SOT-23-6

121NAG

Halogen free

Tape & Reel

LI+ BATTERY PROTECTION CIRCUIT

DESCRIPTION

SC121 is a LI+ battery protection circuit. It is suitable for protecting LI+

battery against damage from over charge, over discharge, and over

current. It contains high accurate voltage detection and delay circuits.

FEATURES

* Low supply current

* Over-charge detect 4.28V, Over-charge release 4.10V.

* Over-discharge detect 2.50V, Over-discharge release 2.90V.

* Over-current detect 0.15V, Short Current detect 1.00V.

* Overcharge/over-discharge/over-current detection delay

* Charger detection

* Reset resistance for over current protection

* Wide supply voltage range

* Small package

APPLICATIONS

* Protection IC for One-Cell LI+

Battery Pack