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Overview
| Topology | Buck Converter |
| Input voltage | 10.8-13.6 V |
| Switching frequency | 320-1130 kHz |
| Output 1 | 10.7 V / 2.5 A |
| IC revision | 1.0 |
Description
The EVK can be used as a standalone board if desired. However, to access the internal registers and to takefull advantage of the IC’s capability, the user must connect the EVK kit to a PC with Active Semi’s USB-TO-I2Cinterface dongle and use the GUI software. The EVK provides full access to the each converter’s input andoutput voltage, as well as all the digital control signals. This gives the user the flexibility to configure the EVKto match their real world system. Note that the ACT4910EVK1-121 is specifically configured for theACT4910QW121 IC.
Features
- Wide 2.7-to-18V Operating Input Range
- 24V Max Input Blocking Voltage
- Adjustable Bus Voltage Start-Up Slew Rate for In-rush Current Control
- Programmable up to 10A Input Current Limit
- eFuse, Boost, and Buck UV/OV/OC Protection
- Programmable 5V to 36V Boost Storage Voltage
- Undetectable Transition from Input Supply to Capacitor Bank Power
- Compatible with Different Types of Storage Caps: -Super Caps, Electrolytic, Tantalum, POSCAP etc.
- ADC Monitoring of Critical Signals
- Autonomous Health Monitoring for Detection of Earlier Storage Capacitor Failures
- Configurable Interrupts to Inform Host for any Faults/Status Change
Typical applications
- Solid State Drives / Hot Plug Devices
- Backup Power
- Industrial Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular, 2, Rising Cage Clamp | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 26 to 16 (AWG) 0.5 to 1.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length10 mm | – | Rated Current10 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length5.08 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WE-MAPI SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Pins2 | – | – | – | – | – | – | – | – | – | – | – | Inductance2.2 µH | Performance Rated Current7.1 A | Saturation Current @ 30%9.2 A | DC Resistance22 mΩ | Self Resonant Frequency35 MHz | Operating Voltage80 V | MountSMT | Length4.3 mm | Height3.1 mm | Rated Current5.2 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WR-PHD Pin Header - Single, 4, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins4 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length10.16 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | MountSMT | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C |