Datasheet > SS6803BCSTB

SS6803BCSTB

更新时间： 2024-02-23 00:41:10

品牌	Logo	应用领域
SSC		电池
页数	文件大小	规格书
12页	330K
描述
Three-cell Lithium-Ion Battery Protection IC

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SS6803BCSTB 数据手册

SS6803

Three-cell Lithium-Ion Battery Protection IC

FEATURES

DESCRIPTION

Ultra-low quiescent current of 13µA (Vcell = 3.5V).

Ultra-low power-down current of 1.3µA (Vcell = 2.3V).

Wide supply voltage range: 2V to 18V.

Precision over-charge protection voltage:

4.35V±30mV for the SS6803A

The SS6803 is designed to protect a lithium-ion

battery from damage or degraded lifetime due to

over-charging, over-discharging and over-current

for three-cell lithium-ion battery powered systems

such as notebook PCs.

4.30V±30mV for the SS6803B

It provides the cell-balancing "bleeding" function

to automatically discharge the over-charged cell

until the over-charge condition is eliminated.

4.25V±30mV for the SS6803C

4.20V±30mV for the SS6803D

Externally set over-charge, over-discharge and

over-current delay time.

Safe charging with full utilization is ensured by

the accurate ±30mV over-charge detection. Four

different specification values for over-charge

protection voltage are provided for various

protection requirements. The very low standby

current represents little drain from the cell while in

storage.

Built-in cell-balancing bleeding network under

over-charge condition.

Three detection levels for over-current protection.

APPLICATIONS

Protection IC for three-cell lithium-ion battery pack.

TYPICAL APPLICATION CIRCUIT

R4 1k

0.1µF

VCC

VC1

FUSE

BATT+

R1 2k

0.1µF

BAT1

UD1

VC2

R2 2K

0.1µF

BAT2

BAT3

UD2

VC3

33k

CTD

0.1µF

82nF

CTI

2.2nF

UD3

CTC

BATT-

GND

82nF

SS6803

Protection Circuit for a Three-cell Lithium-Ion Battery Pack

12/29/2003 Rev.2.02

www.SiliconStandard.com

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