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2022-09-24 21:11:22
Original spot ACT4910QW123-T
ACT4910QW123-T: Professional power management. Company advantage inventory.
The ACT 4910 device is a highly integrated power loss protection chip. It provides backup storage power in the event of an input power failure. The built-in boost converter provides high voltage energy storage to minimize storage capacitor size requirements.
feature:
Wide 2.7 to 18V operating input range
24V maximum input blocking voltage
Adjustable bus voltage pickup rate for inrush current control
Programmable to 10A Input Current Limit
Programmable 5V to 36V Boost Storage Voltage
Undetectable transition from input supply to capacitor bank supply
Compatible with different types of storage Caps:
Super Capsule, Electrolytic, Tantalum, POSCAP, etc.
ADC monitoring of critical signals
Application of Automatic Health Monitoring in Early Storage Capacitor Fault Detection
Configurable outages notify the host of any failures/status changes
eFuse, Boost and Buck UV/OV/OC protection
Advantages and Features
2.7 to 18V wide operating input range
24V maximum input blocking voltage
Adjustable bus voltage startup slew rate for surge
current control
Configurable input power failure level
Programmable input current limit up to 10A
Programmable 5V to 36V Boost Storage Voltage
36V@6A Synchronous Buck, Supports 100% Duty Cycle
cycle
Programmable buck operating frequency up to 1.13MHz
Suitable for small inductors
Undetectable transition from input supply to capacitor
banking power
Compatible with different types of storage covers:
Supercap, Electrolytic, Tantalum, POSCAP
and many more
ADC monitors critical signals
Autonomous health monitoring to detect
Early Storage Capacitor Failure
Configurable interrupt notification host
failure/state change
eFuse, Boost and Buck UV/OV/OC protection
Thermal alerts and protection
Thermally Enhanced FCQFN 5x5-28 Package
Application field
SSD
Industrial application
backup power
Hot Swap Devi
General Instructions
The ACT4910 device is a highly integrated power dissipation
protect the IC. it is at
Input power failure. Built-in boost
Converter provides high voltage energy storage
Minimize storage capacitor size requirements. of
A built-in buck converter regulates the storage voltage to
fixed output voltage. it contains the interior, back to back
eFuse FET provides bidirectional input to
output isolation. The IC also offers hot-swap and
Inrush current control.
The ACT4910 is very flexible and can be easily implemented
I2C and external components are configured. it
With programmable storage capacitor voltage
Optimize storage capacitor size and system operation
time. Internal ADC and health monitoring provide
An extra layer of protection and a complete system
Reliability and early capacitor failure notification. it
Automatically checks the health of storage capacitors and
Energy in the storage lid informs the user
Not enough to provide backup power. ADC also
Measure input voltage, output voltage, store
voltage, e-fuse current and die temperature. built-in
Synchronous Buck Converters Maximize Energy
Transfer from the storage cover to the system.
ACT4910 provides I2C bus interface to allow MCU
control and monitoring. Has a supervisor
for input voltage, output voltage and storage
Voltage. It is available with thermally enhanced QFN
5x5 28-pin package