RT9505 查看數據表（PDF） - Richtek Technology

零件编号

产品描述 (功能)

生产厂家

RT9505

Linear Single Cell Li-Ion Battery Charger IC

Richtek Technology 

Function Block Diagram

GND

Charge Input Control

RT9505

ACIN

OVP

Comparator

2.5V +

-

OVP

SENSE

FET

ACIN

PFET

ISETA

2.5V

0.5V

0.25V

VREF

Thermal

Sense

115 C

2.5V

+

-

V/I

V/I

Current

Amplifier

0.25V

2.5V

Precharge

Tcrmination

Comparator

-

0.25V +

0.9V -

Charge

Disable

+

Voltage

+

Amplifier

-

Charge Done

Temperature Fault

Temperature

1uA

Sense

BATT

Precharge

Comparator

+

2.5V -

Precharge

Recharge

Comparator

+

2.5V -

Recharge

VCC

Logic

PGOOD

CHG_S

EN

TS

DS9505-02 April 2011

www.richtek.com

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