LTC4002ES8-4.2#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4002ES8-4.2#TRPBF

Manufacturer

Analog Devices, Inc.

Introduction

The LTC4002 is a high-efficiency, linear Li-Ion battery charger controller that requires few external components.

Product Features and Performance

Integrated high-voltage switch and sense resistor for constant-current and constant-voltage battery charging

Programmable charge current up to 1A

Automatic float charge after termination

Recharge threshold and termination current programmable

Thermal regulation to maximize charge rate

Preconditioning charge and trickle charge modes

Charge status indicator

Undervoltage lockout and overvoltage protection

Product Advantages

High efficiency charging with minimal external components

Thermally enhanced package for high power handling

Automatic charge termination and recharge

Comprehensive safety features

Key Technical Parameters

Operating Voltage: 22V (Max)

Charging Current: Constant, Programmable up to 1A

Battery Voltage: 4.2V

Battery Chemistry: Lithium-Ion

Operating Temperature: -40°C to 85°C

Quality and Safety Features

ROHS3 Compliant

Overtemperature protection

Undervoltage lockout

Overvoltage protection

Compatibility

Compatible with 1-cell Lithium-Ion battery packs

Application Areas

Portable electronics

Power tools

E-bikes and scooters

Battery backup systems

Product Lifecycle

The LTC4002 is an active and widely used product. Analog Devices continues to offer this part and there are no plans for discontinuation. Equivalent or upgraded models are available if needed.

Key Reasons to Choose This Product

High efficiency charging with simple implementation

Comprehensive safety and protection features

Flexible and programmable charging parameters

Wide operating temperature range

Proven reliability and long product lifecycle