Datasheet > ISL9220IRTZ-T

ISL9220IRTZ-T

更新时间： 2024-09-25 05:39:47

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池开关
页数	文件大小	规格书
15页	544K
描述
Switching Charger for 1-Cell and 2-Cell Li-ion Batteries

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ISL9220IRTZ-T 数据手册

Switching Charger for 1-Cell and 2-Cell Li-ion

Batteries

ISL9220, ISL9220A

Features

• Highly Integrated Battery Charger IC

• Charges 1- and 2-Cell Li-ion or Li-Polymer Batteries

• Up to 2A Charge Current

The ISL9220, ISL9220A is a cost-effective and versatile

battery charger for 1-cell and 2-cell Li-ion and Li-Polymer

based portable applications.

The device features synchronous PWM technology,

maximizing power efficiency, thus minimizing charge

time and heat. The 1.2MHz switching frequency allows

use of small external inductors and capacitors.

• Synchronous Buck Topology with Integrated Power

FETs

• 1.2MHz Switching Frequency

• 0.5% Charge Voltage Accuracy

A simple charge current programming method is

provided. External resistors program the fast charge and

end-of-charge currents.

• Programmable Input Current Limit with One External

Resistor

The two status outputs can be used to drive LEDs, or can

be connected to host processor.

• Thermistor Interface for Battery Detection and

Temperature Qualified Charging

A programmable charge timer provides the ability to

detect defective batteries, and provides a secondary

method of detecting charge termination.

• Two Status Outputs

• Programmable Charge Safety Timer

• Short-Circuit and Thermal Protection

• Small 4mmx4mm TQFN Package

• -40°C to +85°C Operating Temperature Range

A thermistor interface is provided for battery presence

detection, and for temperature qualified charging

conditions.

Additional features include preconditioning of an

over-discharged battery, automatic recharge, and

thermally enhanced QFN package.

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

Applications

• PDAs and Smart Phones

• MP3 and Portable Media Players

• Handheld GPS Devices

• Technical Brief TB379 “Thermal Characterization of

Packaged Semiconductor Devices”

• Technical Brief TB389 “PCB Land Pattern Design and

Surface Mount Guidelines for QFN Packages”

• Digital Still Cameras

• Industrial Handheld Scanners

Pin Configuration

ISL9220, ISL9220A

(20 LD TQFN)

TOP VIEW

STAT2

PGND

AGND

ISET1

ISET2

EPAD

(AGND)

VHI

VIN

July 2, 2010

FN6936.1

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.

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ISL9220IRTZ-T 替代型号

型号	品牌	替代类型	描述	数据表
ISL9220AIRTZ-T	RENESAS	完全替代	Switching Charger for 1-Cell and 2-Cell Li-ion Batteries
ISL9220IRTZ-T7A	INTERSIL	完全替代	Switching Charger for 1-Cell and 2-Cell Li-ion Batteries
ISL9220BIRTZ-T	INTERSIL	功能相似	Switching Charger for 1-Cell Li-ion Batteries

与ISL9220IRTZ-T相关器件

型号	品牌	获取价格	描述	数据表
ISL9220IRTZ-T7A	INTERSIL	获取价格	Switching Charger for 1-Cell and 2-Cell Li-ion Batteries
ISL9220IRTZ-T7A	RENESAS	获取价格	Switching Charger for 1-Cell and 2-Cell Li-ion Batteries
ISL9221	INTERSIL	获取价格	Dual Input Lithium Ion Battery Charger with OVP USB Bypass and 10mA LDO
ISL9221IRZ	INTERSIL	获取价格	Dual Input Lithium Ion Battery Charger with OVP USB Bypass and 10mA LDO
ISL9221IRZ-T	INTERSIL	获取价格	Dual Input Lithium Ion Battery Charger with OVP USB Bypass and 10mA LDO
ISL9221IRZ-T13	RENESAS	获取价格	POWER SUPPLY SUPPORT CKT
ISL9222	INTERSIL	获取价格	High Input Voltage Charger
ISL9222A	INTERSIL	获取价格	High Input Voltage Charger Low Component Count and Cost
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

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