Datasheet > ISL9222A

ISL9222A

更新时间： 2024-11-13 11:13:07

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
8页	124K
描述
High Input Voltage Charger Low Component Count and Cost

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ISL9222A 数据手册

ISL9222A

Data Sheet

July 28, 2008

FN6704.0

High Input Voltage Charger

Features

The ISL9222A is a cost-effective, fully integrated high input

voltage single-cell Li-ion battery charger. The charger uses a

CC/CV charge profile required by Li-ion batteries. The

charger accepts an input voltage up to 28V but is disabled

when the input voltage exceeds the OVP threshold, typically

7.2V, to prevent excessive power dissipation. The 28V rating

eliminates the overvoltage protection circuit required in a low

input voltage charger.

• Complete Charger for Single-Cell Li-ion/Polymer Batteries

• Integrated Pass Element and Current Sensor

• No External Blocking Diode Required

• Low Component Count and Cost

• 1% Voltage Accuracy

• Programmable Charge Current

The charge current is user programmable with an external

resistor. When the battery voltage is lower than typically

2.55V, the charger preconditions the battery with typically

20% of the programmed charge current. An internal thermal

foldback function protects the charger from any thermal

failure.

• Charge Current Thermal Foldback for Thermal

Protection

• Trickle Charge for Fully Discharged Batteries

• 28V Maximum Voltage for the Power Input

• Power Presence Indication

AN indication pin PPR allows simple interface to a

microprocessor or LED. When no adapter is attached or

when disabled, the charger draws less than 1µA leakage

current from the battery.

• Less Than 1µA Leakage Current off the Battery When No

Input Power Attached or Charger Disabled

• Ambient Temperature Range: -40°C to +85°C

• 8 Ld 2x3 TDFN Package

Ordering Information

• Auxiliary OR-gate For System Booting Logic

• Pb-Free (RoHS Compliant)

PART

NUMBER

(Note)

TEMP.

RANGE

(°C)

PART

MARKING

PACKAGE

(Pb-Free)

PKG.

DWG. #

Applications

• Mobile Phones

• Blue-Tooth Devices

• PDAs

ISL9222AIRTZ-T 22A

-40 to +85 8 Ld 2x3 TDFN L8.2x3A

Tape and Reel

*Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ

special Pb-free material sets, molding compounds/die attach

materials, and 100% matte tin plate plus anneal (e3 termination

finish, which is RoHS compliant and compatible with both SnPb and

Pb-free soldering operations). Intersil Pb-free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed

the Pb-free requirements of IPC/JEDEC J STD-020.

• MP3 Players

• Stand-Alone Chargers

• Other Handheld Devices

Pinout

ISL9222A

(8 LD TDFN)

TOP VIEW

VIN

BAT

PPR

JIGON

IREF

JIGIN

GND

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7 8

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与ISL9222A相关器件

型号	品牌	获取价格	描述	数据表
ISL9222AIRTZ-T	INTERSIL	获取价格	High Input Voltage Charger Low Component Count and Cost
ISL9222IRTZ-T	INTERSIL	获取价格	High Input Voltage Charger
ISL9228	INTERSIL	获取价格	Dual Input Li-ion/Li-Polymer Battery Charger With Battery Removal Detection
ISL9228IRZ	INTERSIL	获取价格	Dual Input Li-ion/Li-Polymer Battery Charger With Battery Removal Detection
ISL9228IRZ-T	INTERSIL	获取价格	Dual Input Li-ion/Li-Polymer Battery Charger With Battery Removal Detection
ISL9230	INTERSIL	获取价格	High Power Li-Ion Charger W/I-Path Management
ISL9230_1107	INTERSIL	获取价格	High Power Li-Ion Charger W/I-Path Management
ISL9230IRZ	INTERSIL	获取价格	High Power Li-Ion Charger W/I-Path Management
ISL9230IRZ	RENESAS	获取价格	High Power Li-Ion Charger W/I-Path Management; QFN16; Temp Range: -40° to 85&d
ISL9230IRZ-T	RENESAS	获取价格	High Power Li-Ion Charger W/I-Path Management; QFN16; Temp Range: -40° to 85&d

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