Datasheet > FAN54120UC420X

FAN54120UC420X

更新时间： 2024-11-15 02:50:31

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
13页	521K
描述
500 mA USB Compatible Single Cell Li-Lon Linear Charger with âPower Backâ Capability

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FAN54120UC420X 数据手册

500 mA USB Compatible

Single Cell Li-Lon Linear

Charger with “Power Back”

Capability

FAN54120

The FAN5120 is a small, low−cost, fully integrated single−cell

charger which supports dead battery revival, pre−charge, fast charge,

and float charge states.

www.onsemi.com

Fast charging current (I ) is set with an external resistor.

FAST

Pre−charge (I ) and charge complete (I

) currents are

PRE

CHGEND

factory set at I /5.2 and I /10, respectively.

FAST FAST

The FAN54120 is specifically designed for ease−of−use as

a stand−alone charger. It requires no user interaction or active

supervision.

DFN6 2x2, 0.65P

CASE 506DQ

WLCSP6 1.36x0.76

CASE 567XQ

An open−drain STAT pin provides charge and/or fault status

indication.

“Power Back” capability to source accessories from the battery.

The FAN54120 is available in a 2x2 DFN package or

a 1.36x0.76 mm WLCSP.

MARKING DIAGRAM

XX M

Features

• Fully Integrated Charger for Single Cell Li−Ion or Li−Polymer

Batteries

• Factory Configured Charge Voltage (Ordering Option)

XX= 20, Specific Device Number

M = One Digit Date Code

= Pb Free

•

0.5% Charge Voltage Accuracy

• User Determined Fast Charge Current Via External Resistor

• +4% Charge Current Accuracy

• 28 V Maximum Input Voltage, 6 V Operating

• Ultra−low Battery Discharge Current (<120 nA)

• True Reverse Current Blocking

ORDERING INFORMATION

See detailed ordering and shipping information on page 2 of

this data sheet.

• Adaptive Thermal Regulation

• Supports JEITA Safe−to−Charge Operation with an External NTC

• “Power Back Functionality to Power Accessories from the Battery

FAN54120

VIN

BAT

STAT

NTC

Application

OUT

LOAD

NTC

GND ISET

• IoT Devices

• E−Cigs / Vapes

SET

• Personal Mobile Devices (Games, Camera, etc.)

• Toys

Figure 1. Typical Application

• Point−of−Sale Instruments

Publication Order Number:

FAN54120/D

November, 2019 − Rev. 0

12 3 4 5 6 7...13

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