Part number ACT4921EVK1-301 Product Type Development Kit from Manufacturer Qorvo

Status: Standard | Data Sheet: pdf link image   | RoHS Compliance: Rohs Compliant
Overview

Qorvo’s ACT4921 device is a highly integrated power loss protection IC that provides autarch capacitor health monitoring for optimized system protection. A built-in boost converter enables high voltage energy storage to minimize the storage capacitor size requirements. The built-in buck converter with integrates FETs regulates the storage voltage to the system voltage and also provides hot swap capability and inrush current control.

The product is very flexible and can easily be configured and monitored with I2C and external components.

ACT4921 is available in the thermal enhanced QFN 4×4 32 pin package.

Key Features
  • Optimized for low voltage applications
  • 2.6 to 7 V operating input range
  • 8 V max input blocking voltage
  • Adjustable inrush current control
  • Configurable input power failure level
  • 28 V @ 4 A synchronous buck supports 100% duty cycle
  • Programmable up to 2.25 MHz buck operating frequency for small inductor size
  • Power loss, Vout Power Good, and Storage Cap Power Good indicators
  • Compatible with different types of storage capacitors
  • Autonomous health monitoring for detection of earlier storage capacitor failures
  • Configurable interrupts to inform host of any faults/status changes
  • eFuse, boost, and buck UV/OV/OC protection
Typical Applications
  • Solid-State Drives
  • Power Backup Systems
  • Industrial Applications
  • eFuse
  • Hot Plug Devices
Part Number:
ACT4921EVK1-301

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