RT9505 datasheet(1/11 Pages) RICHTEK

tên linh kiện	RT9505

Giải thích chi tiết về linh kiện	Linear Single Cell Li-Ion Battery Charger IC

PDF	11 Pages

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nhà sản xuất	RICHTEK [Richtek Technology Corporation]

Trang chủ	http://www.richtek.com

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RT9505

1

DS9505-02 April 2011

www.richtek.com

Features

18V Maximum Rating for AC Adapter

Internal Integrate P-MOSFETs

AC Adapter Power Good Status Indicator

Charge Status Indicator

Under Voltage Protection

Over Voltage Protection

Automatic Recharge Feature

Battery Temperature Monitoring

Small 10-Lead WDFN Package

Thermal Feedback Optimizing Charge Rate

RoHS Compliant and 100% Lead (Pb)-Free

Pin Configurations

Applications

Digital Cameras

Cellular Phones

Personal Data Assistants (PDAs)

MP3 Players

Hand Held PCs

Ordering Information

General Description

The RT9505 is a fully integrated low cost single-cell Li-

Ion battery charger IC ideal for portable applications. The

RT9505 is capable of being powered up from AC adapter.

The RT9505 enters sleep mode when AC adapter is

removed.

The RT9505 optimizes the charging task by using a control

algorithm including preconditioning mode, fast charge

mode and constant voltage mode. The charging task is

terminated as the charge current drops below the preset

threshold. The AC adapter charge current can be

programmed up to 1A with an external resister. The internal

thermal feedback circuitry regulates the die temperature

to optimize the charge rate for all ambient temperatures.

The RT9505 features 18V maximum rating voltages for

AC adapter. The other features are under voltage

protection, over voltage protection for AC adapter supply

and battery temperature monitoring.

(TOP VIEW)

WDFN-10L 3x3

Note :

Richtek products are :

RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

Suitable for use in SnPb or Pb-free soldering processes.

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

ACIN

NC

GND

BATT

TS

ISETA

NC

9

8

7

1

2

3

4

5

10

GND

CHG_S

PGOOD

EN

11

Linear Single Cell Li-Ion Battery Charger IC

RT9505

Package Type

QW : WDFN-10L 3x3 (W-Type)

Lead Plating System

P : Pb Free

G : Green (Halogen Free and Pb Free)

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