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Overview
| Topology | Buck Converter |
| Input voltage | 4-5.8 V |
| Switching frequency | 1500-3300 kHz |
| Output 1 | 1.8 V / 0.4 A |
| IC revision | 0.2 |
Description
This document describes the characteristic and operation of the Active Semi ACT81460EVK1-904 evaluation kit (EVK). It provides setup and operation instructions, schematic, layout, BOM, and test data. This EVK demonstrates the ACT81460VM904 ActivePMU power management IC. Other ACT81460VMxxx options can be evaluated on this EVK by replacing the IC and any other necessary components.
Features
- Wide Input Voltage Range
- 4V to 5.5V Input with 20V Protection
- 2.7V to 4.5V Battery Range
- Complete Integrated Power Solution
- Two 0.4A DC/DC Step-Down (Buck) Regulators
- One 0.4A Buck-Boost Regulator
- Three 100mA LDOs
- Three 100mA Load Switches
- One High Voltage Boost – 20V
- 38mA Constant Current Sink LED Drive
- 0.8A Linear Charger
- Optimized Power for Portable Applications
- Active Power-Path Linear Charger (APLC)
- Multiple Sleep Modes
- Active-COT for Very Low Quiescent Current
- 6μA Quiescent Current with 6 regulators and 3 load switches running
- Space Savings
- Fully Integrated
- Maximum Fsw = 3MHz for small size
- Integrated Sequencing
- Easy System Level Design
- Configurable Sequencing
- Seamless Sequencing with External Supplies
- Programmable Reset and Power Good GPIOs
- Easy System Interface and Monitoring
- Four General Purpose I/O (4 X GPIOs)
- I2C Serial Interface
- Reset and Power Sequencing Control
- Interrupt Controller and fault monitoring
- Two configurable low power modes – SLEEP & DPSLP mode.
- Watchdog Supervision
- Hard/Soft Reset Functions
- Multi-function Push button (PB) interface.
- Highly Configurable
- uP interface for status and report and controllability
- Flexible Sequencing and Fault Thresholds
- Programmable GPIO Functions
- GPIO/LED Current Sinks
- Push Button Functionality (PB)
- Contact Active Semi for PWREN Mode Startup
Typical applications
- Consumer or medical wearables
- Cameras & DVRs
- Battery operated personal devices
- IOT Modules
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) | IR(A) | ISAT1(A) | ISAT2(A) | RDC max.(mΩ) | fres(MHz) | Mount | L(mm) | Working Voltage(V (AC)) | Operating Temperature | Color | Gender | Packaging | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Jumper, 1, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | Pins1 | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | – | – | Length2.44 mm | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +125 °C | ColorBlack | GenderJumper | PackagingBag | – | – | – | – | – | – | |||
 | WR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | – | – | – | – | Rated Current10 A | – | – | – | – | MountTHT | Length7 mm | Working Voltage130 V (AC) | Operating Temperature -30 °C up to +120 °C | – | – | PackagingBox | – | – | – | – | – | – | ||||
 | WE-PMCI Power Molded Chip Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | Pins2 | – | – | – | – | – | – | – | – | – | – | – | Inductance1 µH | Rated Current6.2 A | Saturation Current 13.25 A | Saturation Current 26.95 A | DC Resistance35 mΩ | Self Resonant Frequency60 MHz | MountSMT | Length3.2 mm | – | Operating Temperature -40 °C up to +125 °C | – | – | – | Height1.2 mm | – | – | – | – | – | ||||
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | – | MountTHT | Length5.08 mm | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag | – | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | – | MountTHT | Length7.62 mm | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag | – | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 4, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins4 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | – | MountTHT | Length10.16 mm | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag | – | – | – | – | – | – | |||
 | 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 | – | Operating Temperature -40 °C up to +85 °C | – | – | PackagingTape and Reel | Height0.7 mm | – | – | – | – | – | ||||
 | WS-TASV J-Bend SMT Washable Tact Switch 6x6 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV J-Bend SMT Washable Tact Switch 6x6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.05 A | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | – | – | PackagingTape and Reel | Height2.5 mm | Operation Force360 g | Electrical Life200000 Cycles | Actuator ColorSalmon | WashableYes | Vaporphase processnot specified |