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ACT4911EVK1-301

Model Number: ACT4911

Development Kit from Qorvo

ACT4911EVK

Status: Standard | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4911 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. The built-in buck converter regulates the storage voltage to a fixed output voltage. It contains internal, back-to-back eFuse FETs to provide bi-directional input to output isolation. The IC also provides hot swap and inrush current control.

The product is very flexible and can easily be configured with I2C and external components. It features programmable storage capacitor voltage to optimize the storage capacitor sizing and system run time. The internal ADC and health monitoring provide an extra layer of protection and improve system reliability and early capacitor failure notification. It automatically checks the storage capacitor health and notifies the user when the energy in the storage capacitors is not sufficient for backup power. The ADC also measures the input voltage, output voltage, storage voltage, eFuse current and die temperature. The built-in synchronous buck converter maximizes energy transfer from the storage caps to the system.

ACT4911 provides an I2C bus interface to allow MCU control and monitoring. There are supervisor monitors for the input voltage, output voltage, and storage voltage. It is available in the thermal enhanced QFN5x5 28 pin package.

Key Features

Wide 2.7 to 8 V operating input range
10 V max input blocking voltage
Adjustable bus voltage start-up slew rate for inrush current control
Configurable input power failure level
Programmable up to 10 A input current limit
Programmable 5 to 36 V boost storage voltage
36 V @ 6 A synchronous buck supports 100% duty cycle
Programmable up to 1.13 MHz buck operating frequency for small inductor size
Undetectable transition from input supply to capacitor bank power
Compatible with different types of storage capacitors
ADC monitoring of critical signals
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
Thermal alert and protection

Typical Applications

Solid-State Drives
Industrial Applications
Backup Power
Hot Plug Devices

Part Number: ACT4911EVK1-301

Tariff Notice

Product may be included on Section 301 Tariff List and subject to applicable tariff charges.

Part Function	Part Number	Description
Complementary Product	ACT4911QW301-T Qorvo	8 V Power Loss Protection Device with 10 A eFuse

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Product Specifications For ACT4911EVK1-301 Development Kit

Part Number: ACT4911EVK1-301 Manufacturer: Qorvo Product Description: ACT4911EVK

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Tariff Notice

Product may be included on Section 301 Tariff List and subject to applicable tariff charges.

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ACT4911EVK1-301

Development Kit from Qorvo

ACT4911EVK

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ACT4911EVK1-301

Development Kit from Qorvo

ACT4911EVK

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