FAN5402UCX - onsemi

Manufacturer Part Number

FAN5402UCX

Manufacturer

onsemi

Introduction

Battery charger integrated circuit for lithium-ion/polymer batteries

Product Features and Performance

Supports single-cell lithium-ion/polymer batteries

Programmable charging current, timer, and voltage

I2C and USB interfaces for control and communication

Mounting Type: Surface Mount

Package / Case: 20-UFBGA, WLCSP

Product Advantages

High charging current up to 1.25A

Fault protection features for temperature, voltage, and short circuits

Compact package ideal for space-constrained applications

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Current - Charging: Constant - Programmable

Charge Current - Max: 1.25A

Battery Pack Voltage: 4.5V (Max)

Voltage - Supply (Max): 6V

Operating Temperature: -30°C ~ 85°C (TA)

Quality and Safety Features

Over Temperature Protection

Over Voltage Protection

Short Circuit Protection

Compatibility

Compatible with lithium ion and polymer battery technologies

Application Areas

Mobile phones, wearables, portable electronics

Product Lifecycle

Status: Obsolete

Replacement or upgrades may be available from onsemi

Several Key Reasons to Choose This Product

Advanced fault protection safeguards battery and device

Flexible programming via I2C for charging parameters

High-efficiency power management for portable devices

Support for USB interface allows for convenient charging

Designed for optimal charging of single-cell batteries