Datasheet > FAN54302UCX

FAN54302UCX

更新时间： 2024-11-14 18:56:31

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		电池
页数	文件大小	规格书
43页	1699K
描述
Battery Charge Controller

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FAN54302UCX 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.84
模拟集成电路 - 其他类型：	BATTERY CHARGE CONTROLLER	Base Number Matches：	1

FAN54302UCX 数据手册

December 2012

FAN5430X — USB-Compliant, Dual-Power Input, Single-Cell,

Li-Ion Switching Charger with USB-OTG Boost Regulator

Features

Description

The FAN5430X combines two highly integrated switch-mode

chargers and a boost regulator to minimize single-cell Li-Ion

charging time from a USB and/or auxiliary power source.

. Fully Integrated, High-Efficiency Charger for Single-Cell

Li-Ion and Li-Polymer Battery Packs

. Accepts USB or Dedicated Power Input Source

Charging parameters and operating modes are programmable

through an I²C Bus® interface that operates up to 3.4 Mbps.

The charger and boost regulator circuits switch at 3 MHz to

minimize the size of the external passive components.

. 5 V, 300 mA Boost Mode for USB OTG from 2.5 to 4.5 V

Battery Input

. Charge Voltage Accuracy: 0.5% at T_A=25°C

1% from T_A=0 to 125°C

The FAN5430X provides battery charging in three phases:

conditioning, constant current, and constant voltage.

. 5% USB Input Current Regulation Accuracy

. 5% Charge Current Regulation Accuracy

. 20 V Absolute Maximum Input Voltage

To ensure USB compliance and minimize charging time, the

USB input current is limited to the value set through the I²C

host. Charge termination is determined by a programmable

minimum current level. A safety timer with reset control

provides a safety backup for the I²C host.

. 9.5 V Maximum Input Operating Voltage on VIN Pin,

6.5 V Maximum on VBUS Pin

The IC automatically restarts the charge cycle when the

battery falls below an internal threshold. If the input source is

removed, the IC enters a high-impedance mode, with leakage

from the battery to the input prevented. Charge status is

reported back to the host through the I²C port. Charge current

is reduced when the die temperature reaches 120°C.

. Up to 1.5 A Maximum Charge Rate

. Programmable Charge and Mode through High-Speed I²C

Interface (3.4 Mb/s) with Fast Mode Plus Compatibility

– Input Current

– Fast-Charge / Termination Current

– Charger Voltage

– Safety Timer

– Termination Enable

The FAN5430X can operate as a boost regulator on

command from the system. The boost regulator includes a

soft-start that limits inrush current from the battery.

The FAN5430X are available in a 30-bump, 0.4 mm pitch,

wafer-level, chip-scale package (WLCSP).

. 3 MHz Synchronous Buck PWM Controller with Wide Duty

Cycle Range

. Small Footprint, 1 H, External Inductors

. Safety Timer with Reset Control

Applications

. Cell Phones, Smart Phones, PDAs

. Digital Cameras

. Weak Input Sources Accommodated by Reducing

Charging Current to Maintain Minimum V_BUSVoltage

. Portable Media Players

. Low Reverse Leakage from Battery Drain to VBUS or VIN

. Programmable LED Drive for Charge Indication

. Register and Slave Addresses Compatible with FAN540X

and FAN542X Families

Ordering Information

Part Number

FAN54300UCX

FAN54302UCX

Temperature Range

-40 to 85°C

Package

Packing

Tape and Reel

30-Ball, WLCSP, 5x6 Array, 0.4mm

Pitch, 586 µm Package Height

-40 to 85°C

FAN54300 • Rev. 1.0.2

www.fairchildsemi.com

12 3 4 5 6 7...43

中文翻译

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