Datasheet > ISL9214A

ISL9214A

更新时间： 2024-09-25 11:13:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池
页数	文件大小	规格书
11页	200K
描述
Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources

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ISL9214A 数据手册

ISL9214A

Data Sheet

May 5, 2008

FN6698.0

Li-ion/Li-Polymer Battery Charger

Accepting Two Power Sources

Features

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

• Dual Input Power Sources for Cradle and USB

• Low Component Count

The ISL9214A is a fully integrated low-cost single-cell Li-ion

or Li-polymer battery charger. The charger accepts two

power inputs, normally one from a USB (Universal Serial

Bus) port and the other from a desktop cradle. The

ISL9214A is an ideal charger for smart handheld devices

that need to communicate with a personal computer via

USB.

• Integrated Pass Elements

• Fixed 380mA USB Charge Current

• Programmable Cradle Charge Current

• Charge Current Thermaguard™ for Thermal

Protection

The ISL9214A features 28V maximum voltages for both the

cradle and the USB inputs. Due to the 28V rated inputs,

low-cost, large output tolerance adapters can be used safely.

When both inputs are powered, the cradle input is used to

charge the battery. The charge current is programmable for

the cradle input with a small resistor. The end-of-charge

current is also programmable by another external resistor.

The charger incorporates Thermaguard™ which protects the

IC against over-temperature. If the die temperature rises

above a typical value of +125°C, a thermal foldback function

reduces the charge current automatically to prevent further

temperature rise. The charger has two indication pins. The

PPR (power present) pin outputs an open-drain logic LOW

when either the cradle or the USB input power is attached.

The CHG (charge) pin is also an open-drain output that

indicates a logic LOW when the charge current is above a

minimum current level. When the charge current is below the

preset minimum current, the CHG pin will indicate a logic

HIGH signal. This status is latched and will be reset under

one of the following events:

• 28V Maximum Voltages for Cradle and USB Inputs

• Adapter Presence and Charge Indications

• Less than 0.5µA Leakage Current Off the Battery When

No Input Power Attached

• Programmable End-of-Charge Current

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

• No External Blocking Diode Required

Applications

• Smart Handheld Devices

• Cell Phones, PDAs, MP3 Players

• Digital Still Cameras

• Handheld Test Equipment

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

1. The part is disabled and re-enabled

2. The selected input source has been removed and re-

applied

3. The USBON turns LOW

• Technical Brief TB389 “PCB Land Pattern Design and

Surface Mount Guidelines for QFN Packages”

4. The BAT pin voltage falls below the recharge threshold

(~3.9V).

Pinout

Ordering Information

ISL9214A

(10 LD DFN)

TOP VIEW

PART

NUMBER

(Note)

PART

TEMP.

PACKAGE

(Pb-Free)

PKG.

DWG. #

MARKING RANGE (°C)

CRDL

USB

PPR

CHG

BAT

ISL9214AIRZ* 214A

-40 to +85 10 Ld 3x3 DFN L10.3x3C

ICDL

GND

*Add “-T” suffix for 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.

USBON

IMIN

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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与ISL9214A相关器件

型号	品牌	获取价格	描述	数据表
ISL9214AIRZ	INTERSIL	获取价格	Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources
ISL9214IRZ-T	RENESAS	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10, 3 X 3 MM, ROHS COMPLIANT, PLASTIC, MO-229WEED-
ISL9214RZ	INTERSIL	获取价格	Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources
ISL9214RZ-T	INTERSIL	获取价格	Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources
ISL9216	INTERSIL	获取价格	8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set
ISL9216IRZ	INTERSIL	获取价格	8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set
ISL9217	INTERSIL	获取价格	8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set
ISL9217IRZ	INTERSIL	获取价格	8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set
ISL9219	RENESAS	获取价格	Li-ion Battery Charger
ISL9219	INTERSIL	获取价格	Complete Charger for Single-Cell Li-ion/Polymer Batteries

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