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LTC4020 - 55V Buck-Boost Multi-Chemistry Battery Charger

General Description

The LTC®4020 is a high voltage power manager providing PowerPath™ instant-on operation and high efficiency battery charging over a wide voltage range.

An onboard buckboost DC/DC controller operates with battery and/or system voltages above, below, or equal to the input voltage.

Key Features

  • n Wide Voltage Range: 4.5V to 55V Input, Up to 55V Output (60V Absolute Maximums) n Synchronous Buck-Boost DC/DC Controller n Li-Ion and Lead-Acid Charge Algorithms n ±0.5% Float Voltage Accuracy n ±5% Charge Current Accuracy n Instant-On for Heavily Discharged Batteries n Ideal Diode Controller Provides Low Loss PowerPath When Input Power Is Limited n Input Voltage Regulation for High Impedance Input Supplies and Solar Panel Peak Power Operation n Onboard Timer for Protection and Termination n.

📥 Download Datasheet

Datasheet Details

Part number LTC4020
Manufacturer Analog Devices
File Size 1.33 MB
Description 55V Buck-Boost Multi-Chemistry Battery Charger
Datasheet download datasheet LTC4020 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC4020 55V Buck-Boost Multi‑Chemistry Battery Charger FEATURES n Wide Voltage Range: 4.5V to 55V Input, Up to 55V Output (60V Absolute Maximums) n Synchronous Buck-Boost DC/DC Controller n Li-Ion and Lead-Acid Charge Algorithms n ±0.5% Float Voltage Accuracy n ±5% Charge Current Accuracy n Instant-On for Heavily Discharged Batteries n Ideal Diode Controller Provides Low Loss PowerPath When Input Power Is Limited n Input Voltage Regulation for High Impedance Input Supplies and Solar Panel Peak Power Operation n Onboard Timer for Protection and Termination n Bad Battery Detection with Auto-Reset n NTC Input for Temperature Qualified Charging n Binary Coded Open-Collector Status Pins n Low Profile (0.