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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 4-29 V |
| Switching frequency | 125-1000 kHz |
| Output 1 | 8.4 V / 3 A |
| IC revision | 0.0 |
Description
The ACT2861 is a buck-boost charger with 4 integrated MOSFETs. It offers a high efficiency, low component count, compact solution for 2 to 5 cell battery charging application. It operates from an input voltage range from 4 to 29V. An advanced switch control algorithm allows the buck-boost converter to maintain output voltage regulation with input voltages that are above, below or equal to the output voltage. The ACT2861 is optimized to reduce input current in shipping, shutdown, and standby for applications which are sensitive to quiescent current draw, such as battery-powered devices. The system can be monitored and configured by I²C. The built-in ADC can be read for the information of input/output voltages and currents, and the die temperature. With an MCU, it can easily be configured to charge a multi cell battery pack from a variety of input power sources.
Features
- Buck-Boost Charger with Integrated FETs
- Input Voltage Range: 4 to 29V (No Dead Zone)
- Supports 2 to 5 series cell battery packs
- Seamless Transition Between Buck and Boost Mode
- OTG output supports QC3.0 / USB PD + PPS
- 2V ~ 5V/100mA Programmable Output LDO
- <5 μA Battery Leakage Current in Ship Mode
- Voltage and Current monitoring
- Thermal Regulation and Protection
- JEITA Compliant
- Programmable via I²C or Standalone
- Thermally Enhanced 32-Lead 4mx4mm QFN
Typical applications
- Multiple Power Source Supplies / DC UPS
- Solid-State Lighting
- Solar Powered Devices
- Automotive Power Systems
- Portable Battery-Powered Devices
- Multi Cell Battery Charger / Car Charger / Power Bank
- 24V 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.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Pitch(mm) | Ø D(mm) | IR(A) | Working Voltage(V (AC)) | Color | Gender | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWR-PHD Jumper, 1, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | Pins1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | Insulation Resistance1000 MΩ | – | Length2.44 mm | – | – | PackagingBag | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | Rated Current3 A | Working Voltage250 V (AC) | ColorBlack | GenderJumper | – | – | – | – | – | – | –Check availability | ||
 | SPECWR-PHD Pin Header - Single, 1, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins1 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length2.54 mm | – | – | PackagingBag | – | – | – | – | – | – | MountTHT | – | – | – | Pitch2.54 mm | – | Rated Current3 A | Working Voltage250 V (AC) | – | GenderPin Header | – | – | – | – | – | – | –Check availability | ||
 | SPECWR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Availability – | 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) | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -30 °C up to +120 °C | – | – | – | Length7 mm | – | – | PackagingBox | – | – | – | – | – | – | MountTHT | – | – | – | Pitch3.5 mm | – | Rated Current10 A | Working Voltage130 V (AC) | – | – | – | – | – | – | – | – | –Check availability | |||
 | SPECWR-PHD Pin Header - Single, 2, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | PackagingBag | – | – | – | – | – | – | MountTHT | – | – | – | Pitch2.54 mm | – | Rated Current3 A | Working Voltage250 V (AC) | – | GenderPin Header | – | – | – | – | – | – | –Check availability | ||
 | SPECWE-XHMI SMT Power Inductor, 2, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Pins2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | – | – | Inductance10 µH | Performance Rated Current6.4 A | Saturation Current @ 30%9.7 A | DC Resistance26.5 mΩ | DC Resistance29.15 mΩ | Self Resonant Frequency18 MHz | MountSMT | – | – | – | – | – | Rated Current5 A | – | – | – | Height6.1 mm | – | – | – | – | – | –Check availability | |||
 | SPECWR-PHD Pin Header - Single, 3, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | PackagingBag | – | – | – | – | – | – | MountTHT | – | – | – | Pitch2.54 mm | – | Rated Current3 A | Working Voltage250 V (AC) | – | GenderPin Header | – | – | – | – | – | – | –Check availability | ||
 | SPECWL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Availability – | 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 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | – | PackagingTape and Reel | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | Height0.7 mm | – | – | – | – | – | –Check availability | |||
 | SPECWCAP-ATG8 Aluminum Electrolytic Capacitors, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG8 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance470 µF | Capacitance±20% | Rated Voltage50 V (DC) | – | – | Dissipation Factor10 % | – | – | Length20 mm | – | – | PackagingAmmopack | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current828 mA | Leakage Current235 µA | Pitch5 mm | Diameter10 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
 | SPECWCAP-ATG5 Aluminum Electrolytic Capacitors, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance220 µF | Capacitance±20% | Rated Voltage35 V (DC) | – | – | Dissipation Factor12 % | – | – | Length11.5 mm | – | – | PackagingAmmopack | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current255 mA | Leakage Current77 µA | Pitch3.5 mm | Diameter8 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
SPECWCAP-CSGP MLCCs 10 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance10 nF | Capacitance±10% | Rated Voltage10 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 10 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage10 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 10 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage10 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance47 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – | –Check availability | ||||
 | SPECWS-TASV SMT Washable Tact Switch 6x6 mm, –, – PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV SMT Washable Tact Switch 6x6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | Operating Temperature -40 °C up to +85 °C | – | Insulation Resistance100 MΩ | – | – | – | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.05 A | – | – | – | Height3.5 mm | Operation Force160 g | Electrical Life1000000 Cycles | Actuator ColorBlack | WashableYes | Vaporphase processnot specified | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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