Datasheet > RT9527A

RT9527A

更新时间： 2024-02-20 13:57:05

品牌	Logo	应用领域
立锜 - RICHTEK		电池
页数	文件大小	规格书
15页	192K
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中文翻译

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技术参数
数据手册

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RT9527A 技术参数

Status：	Active	Vin (min)(V)：	4.4
Vin (max)(V)：	6	Battery Charge Voltage (max)(V)：	4.444
Battery Charge Current (max)(A)：	0.6	Input Source：	USB
Features：	OCP;OVP;UVP	Package Type：	WDFN2x2-8

RT9527A 数据手册

RT9527A

Single Cell Li-Ion Battery Charger with Adjustable Charging

Current for Portable Applications

General Description

Features

^28V Maximum Rating for AC Adapter

^Internal Integrated Power FETs

^Adjustable Charging Current

The RT9527A is a low cost single-cell Li-ion charger for

low current charge applications.

The RT9527Acan be powered up from anAC adapter or

USB (Universal Serial Bus) port inputs. The RT9527A

enters sleep mode when VIN power is removed. The

RT9527A optimizes the charging task by using a control

algorithm, which includes pre-charge mode, fast-charge

mode and constant voltage mode. The charging task is

kept in constant voltage mode to hold the battery in a full

charge condition. The charge current is adjustable via an

external resistor. The internal thermal feedback circuitry

regulates the die temperature to optimize the charge rate

for all ambient temperatures. The RT9527Afeatures 28V

maximum rating voltage for VIN. Other features include

under-voltage protection and over-voltage protection for the

AC adapter supply.

^Programmable Safe Charge Timer

^NTC Thermistor Input

^Battery Reverse Protection

^ISET Pin Short Protection

^Charge Status Indicator

^AC Adapter Power Good Status Indicator

^End of Charge Current is 10% of Fast-Charge Current

^Under-Voltage Protection

 Over-Voltage Protection

 Thermal Feedback Optimized Charge Rate

 Small Thermally Enhanced 8-Lead WDFN Package

 RoHS Compliant and Halogen Free

Applications

 Cellular Phones

The RT9527Ais available in the WDFN-8L 2x2 package.

 Digital Cameras

Ordering Information

RT9527A

 PDAs and Smart Phone

 Portable Instruments

Package Type

QW : WDFN-8L 2x2 (W-Type)

Marking Information

Lead Plating System

G : Green (Halogen Free and Pb Free)

4J : Product Code

W : Date Code

4JW

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.

Simplified Application Circuit

Battery

BAT

Input Power

VIN

RT9527A

PGOOD

CHG

TIMER

ISET

Indicator

GND

is a registered trademark of Richtek Technology Corporation.

DS9527A-00 August 2017

www.richtek.com

12 3 4 5 6 7...15

中文翻译

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与RT9527A相关器件

型号	品牌	获取价格	描述	数据表
RT9527AGQW	RICHTEK	获取价格	IC BATT CHARGER 0.6A 8WDFN
RT9527H	RICHTEK	获取价格	暂无描述
RT9527J	RICHTEK	获取价格	Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applicati
RT9527JA	RICHTEK	获取价格	Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applicati
RT9527JH	RICHTEK	获取价格	Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applicati
RT9527L	RICHTEK	获取价格	暂无描述
RT9528	RICHTEK	获取价格	暂无描述
RT9532	RICHTEK	获取价格	暂无描述
RT9532H	RICHTEK	获取价格	Linear Single Cell Li-Ion Battery Charger IC for Portable Applications
RT9532S	RICHTEK	获取价格	Linear Single Cell Li-Ion Battery Charger IC for Portable Applications

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