RT9719 datasheet(2/10 Pages) RICHTEK

tên linh kiện	RT9719

Giải thích chi tiết về linh kiện	Charging System Safety Device

PDF	10 Pages

Scroll/Zoom	100%

nhà sản xuất	RICHTEK [Richtek Technology Corporation]

Trang chủ	http://www.richtek.com

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2 / 10 page

RT9719

DS9719-01 April 2011

www.richtek.com

Function Block Diagram

Typical Application Circuit

RT9719

ACIN

GND

CHRIN

ISENSE

GATEDRV

VACIN

CIN

COUT

1µF

0.2

SOC

CHRIN

GATEDRV

ISENSE

VBAT

1µF

Battery

Functional Pin Description

Pin No.

SOT-23-6

WDFN-8L 2x2

Pin Name

Pin Function

No Internal Connection.

GND

Analog Ground.

1, 2, 3

ACIN

The Input Power Source. The VIN can withstand up to 30V input.

7, 8

ISENSE

Connect to ISENSE resistor and ISENSE pin of charging controller.

CHRIN

Voltage is equal to VIN as VIN in power good range and providing ~25mA

for system at most.

GATEDRV External control pin for controlling the P-MOSFET by charging controller.

(Exposed pad)

GND

Ground Pin. The exposed pad must be soldered to a large PCB and

connected to GND for maximum power dissipation.

Control

Logic

MUX

INOVP

UVLO

OTP

ACIN

ISENSE

CHRIN

GND

GATEDRV

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