LTC3558 Datasheet Linear USB Battery Charger

Manufacturer: Linear Technology (now Analog Devices)

LTC3558 linear usb battery charger by Linear Technology (now Analog Devices) - Datasheet Preview

Datasheet Details

Part number	LTC3558
Manufacturer	Linear Technology (now Analog Devices)
File Size	399.07 KB
Description	Linear USB Battery Charger
Download	LTC3558 Download (PDF)

General Description

The LTC®3558 is a USB battery charger with dual high efﬁciency switching regulators.

The device is ideally suited to power single-cell Li-Ion/Polymer based handheld applications needing multiple supply rails.

Battery charge current is programmed via the PROG pin and the HPWR pin with capability up to 950mA of current at the BAT pin.

Key Features

Battery Charger n Standalone USB Charger n Up to 950mA Charge Current Programmable via Single Resistor n HPWR Input Selects 20% or 100% of Programmed Charge Current n NTC Input for Temperature Qualiﬁed Charging n Internal Timer Termination n Bad Battery Detection Switching Regulators (Buck and Buck-Boost) n Up to 400mA Output Current per Regulator n 2.25MHz Constant-Frequency Operation n Power Saving Burst Mode® Operation n Low Proﬁle, 20-Lead, 3mm × 3mm QFN Package.

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