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Overview
| Topology | Buck Converter |
| IC revision | N/A |
Description
The STEVAL-ISB044V1 evaluation kit has been designed for devices, such as smartphones or tablets, requiring high power levels. It supports wireless battery charging up to 15 W. The embedded STWBC-EP digital controller transmitter is based on a cost-effective half-bridge topology providing external interfaces via UART and I²C. The kit also includes STWBC-EP firmware, a graphical interface for debug, schematics, layout files and bill of materials. There are specific tools for the STEVAL-ISB044V1 available on www.st.com which give runtime information, such as the power delivered, the regulation error or the protocol status as well as parameter tuning.
Features
◦STWBC-EP digital controller◦15 W output power◦Qi MP-A10 reference design◦WPC Qi1.2.3 standard compliant◦Robust demodulation algorithm, with triple path (V, I, f)◦Foreign object detection (FOD)◦Accurate power control
◦Active presence detection◦UART protocol to control and monitor the system◦Complete reference design (evaluation board, IC, firmware and tools)◦2-layer PCB for easy design◦Flash memory-based◦RoHS compliant
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | 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) | H(mm) | Fl(mm) | Packaging | L(µH) | IR(mA) | ISAT(A) | RDC(mΩ) | fres(MHz) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | VOP(V) | Mount | Version | Interface Type | Variant | Gender | Pins | Working Voltage(V (AC)) | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMSW SMT Mono-color Side View Waterclear, 573 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Dominant Wavelength [typ.]573 nm | Emitting ColorBright Green | Peak Wavelength [typ.]575 nm | Luminous Intensity [typ.]50 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | Size1204 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length3.2 mm | Width1.5 mm | Height1 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WL-SMSW SMT Mono-color Side View Waterclear, 624 nm, Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Dominant Wavelength [typ.]624 nm | Emitting ColorRed | Peak Wavelength [typ.]632 nm | Luminous Intensity [typ.]130 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | Size1204 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length3.2 mm | Width1.5 mm | Height1 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | Size0603 | Operating Temperature -55 °C up to +125 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.3 mm | – | – | Rated Current500 mA | – | – | – | – | – | – | – | MountSMT | VersionSMT | – | – | – | – | – | Impedance @ 100 MHz120 Ω | Maximum Impedance200 Ω | Maximum Impedance510 MHz | Rated Current 21350 mA | DC Resistance0.3 Ω | TypeWide Band | ||||
 | WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | Size5040 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length5 mm | Width5 mm | Height4 mm | – | – | Inductance2.2 µH | Rated Current3800 mA | Saturation Current5.3 A | DC Resistance19 mΩ | Self Resonant Frequency77 MHz | – | – | – | Operating Voltage120 V | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | Size1050 | Operating Temperature -40 °C up to +150 °C | – | – | – | Length10 mm | Width10 mm | Height5 mm | – | – | Inductance4.7 µH | Rated Current7000 mA | Saturation Current8 A | – | Self Resonant Frequency34 MHz | – | – | DC Resistance10.4 mΩ | Operating Voltage120 V | MountSMT | VersionPerformance | – | – | – | Pins2 | – | – | – | – | – | DC Resistance0.0124 Ω | – | ||||
 | WE-MAPI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | Size2510 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.5 mm | Width2 mm | Height1 mm | – | – | Inductance10 µH | Rated Current600 mA | Saturation Current1.35 A | – | Self Resonant Frequency25 MHz | Performance Rated Current0.9 A | Saturation Current @ 30%1.7 A | DC Resistance733 mΩ | Operating Voltage80 V | MountSMT | VersionSMT | – | – | – | Pins2 | – | – | – | – | – | DC Resistance0.843 Ω | – | ||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Capacitance10 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size1206 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.01 GΩ | Ceramic TypeX5R Class II | Length3.2 mm | Width1.6 mm | Height1.6 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Capacitance22 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size1210 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.005 GΩ | Ceramic TypeX5R Class II | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | – | Insulation Resistance1000 MΩ | – | – | – | – | – | PackagingTape and Reel | – | Rated Current3000 mA | – | – | – | – | – | – | – | MountSMT | – | Interface TypeType B | Variantwith Pegs - High Current | GenderReceptacle | Pins5 | Working Voltage30 V (AC) | – | – | – | – | – | TypeHorizontal | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | – | PackagingBag | – | Rated Current3000 mA | – | – | – | – | – | – | – | MountTHT | – | – | – | GenderPin Header | Pins3 | Working Voltage250 V (AC) | – | – | – | – | – | TypeStraight | |||
 | WR-USB Standard Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Standard Connectors | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | – | – | – | – | PackagingTray | – | Rated Current1500 mA | – | – | – | – | – | – | – | MountTHT | – | Interface TypeType A | – | GenderReceptacle | Pins4 | Working Voltage30 V (AC) | – | – | – | – | – | TypeHorizontal |