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JW3903 Datasheet 2.5a Boost Charger

Manufacturer: JoulWatt

Overview: JW3903 2.5A Boost Charger For 2 or 3 Cells In Series Battery Pack Preliminary Specifications Subject to Change without.

Datasheet Details

Part number JW3903
Manufacturer JoulWatt
File Size 878.49 KB
Description 2.5A Boost Charger
Datasheet JW3903-JoulWatt.pdf

General Description

The JW®3903 is a highly integrated synchronous switch-mode boost charger for 2- or 3-cell series Li-ion and Li-polymer battery.

The JW3903 provides plete battery charging management includes pre-charge, constant-current fast charge, constant-voltage charge, charge termination and auto recharge.

The device is able to charge the battery from a 5V adapter or USB input.

Key Features

  • input voltage based dynamic power management (VIN DPM) to limit the input power and avoid adapter or USB port overloading. An internal thermal feedback loop regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The JW3903 guarantees robustness with input under-voltage and over-voltage protection, battery over voltage protection, thermal shutdown, battery temperature monitoring, and a programmable timer to prevent prolonged charging of.

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JW3903 Distributor