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ACT4910QW122-T

Model Number: ACT4910

Power Loss Protection Device from Qorvo

18 V Power Loss Protection Device with 10 A eFuse

Status: Standard | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4910 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 caps 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 capacitors to the system.

ACT4910 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 with the thermal enhanced QFN 5×5 28 pins package.

Key Features

Wide 2.7 to 18 V operating input range
24 V max input blocking voltage
Adjustable bus voltage start-up slew rate for inrush current control
Programmable up to 10 A input current limit
eFuse, boost, and buck UV/OV/OC protection
Programmable 5 to 36 V boost storage voltage
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

Typical Applications

Solid-State Drives
Industrial Applications
Backup Power
Hot Plug Devices

Part Number: ACT4910QW122-T
Operating Input Range: 2.7 to 18 V
eFuse Abs Max Voltage: 24 V
eFuse FET RDS (on): 17 mOhms
Storage Cap Voltage: 5 - 36 V
Maximum Input Current: 10 A
Buck FET RDS (on): 45[HS] - 28[LS] mOhms
Buck Current: 6 A
Buck Operation Frequency: 330 - 1130 kHz
Interface: I2C
Autonomous Health Monitoring: Yes
ADC: Yes
Package Type: 28-pin, QFN
Package: 5 mm

Tariff Notice

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

Part Function	Part Number	Description
Evaluation Board	ACT4910EVK1-121 Qorvo	ACT4910EVK
Complementary Product	ACT4910QW121-T Qorvo	18 V Power Loss Protection Device with 10 A eFuse
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Complementary Product	ACT4910QW302-T Qorvo	18 V Power Loss Protection Device with 10 A eFuse

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Product Specifications For ACT4910QW122-T Power Loss Protection Device

Part Number: ACT4910QW122-T Manufacturer: Qorvo Product Description: 18 V Power Loss Protection Device with 10 A eFuse

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Tariff Notice

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

Description	Units Per Format	Available

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ACT4910QW122-T

Power Loss Protection Device from Qorvo

18 V Power Loss Protection Device with 10 A eFuse

Technical Inquiry Request for ACT4910QW122-T Power Loss Protection Device

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ACT4910QW122-T

Power Loss Protection Device from Qorvo

18 V Power Loss Protection Device with 10 A eFuse

Technical Inquiry Request for ACT4910QW122-T Power Loss Protection Device

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