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ACT4921 - Power Loss Protection

General Description

The ACT4921 device is a highly integrated power loss protection IC.

It provides backup storage power in the event of an input power failure.

A built-in boost converter provides high voltage energy storage to minimize storage capacitor size requirements.

Key Features

  • Optimized for Low Voltage.

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Datasheet Details

Part number ACT4921
Manufacturer Qorvo
File Size 3.59 MB
Description Power Loss Protection
Datasheet download datasheet ACT4921 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.

View original datasheet text
ACT4921 Power Loss Protection with 6A eFuse FEATURES • Optimized for Low Voltage Applications • 2.6-to-7V Operating Input Range • 8V Max Input Blocking Voltage • Adjustable In-rush Current Control • Configurable Input Power Failure Level • Programmable up to 6A Input Current Limit • Programmable 5V to 28V Boost Storage Voltage • 28V@4A Synchronous Buck Supports 100% Duty Cycle • Programmable up to 2.25MHz Buck Operating Frequency for Small Inductor Size • Power Loss, Vout Power Good, and Storage Cap Power Good Indicators • Compatible with Different Types of Storage Caps: Super Caps, Electrolytic, Tantalum, POSCAP etc.