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reference designSTWBC-MC | Demoboard STEVAL-ISB047V1

STMicroelectronics STWBC-MC | Demoboard STEVAL-ISB047V1

Qi 3-coil 15W wireless charger TX evaluation kit based on STWBC-MC

Overview

TopologyWireless Power Transfer
Input voltage5-20 V
IC revision1

Description

The STEVAL-ISB047V1 wireless battery charger TX evaluation kit consists of the STEVAL-ISB047V1T evaluation board and STEVAL-WBCDNGV1 USB-UART dongle. The kit id designed for charging devices such as smartphones or tablets where high power levels are required.The evaluation board supports wireless battery charging of Qi-compliant devices up to 15 W. It also supports proprietary fast charging modes up to 10 W.The STEVAL-ISB047V1 transmitter is based on the STWBC-MC and features a costeffective half bridge topology, offering external interface via UART.The STEVAL-ISB047V1 evaluation kit is a full solution, complete with boards, firmware, a GUI for debugging, schematics, layout files and bill of materials.Tools for STEVAL-ISB047V1 are available on www.st.com, and allow users to access runtime information such as power delivered, regulation error and protocol status. Parameters can also be adjusted with these tools.

Features

  • STWBC-MC digital controller
  • MP-A15 3-coil array
  • 15 W potential power
  • Flexible input voltage: 5 to 20 V from USB-C or DC jack
  • 5 W mode when connected to 5 V USB input or DC jack
  • Fixed frequency operation
  • WPC Qi1.2.4 standard certified
  • Robust demodulation algorithm, with triple path (V, I, f)
  • Foreign object detection (FOD)
  • Active presence detection
  • UART protocol to control and monitor the system
  • Complete reference design (evaluation board, schematics, PCB layout, firmware and tools)
  • 2-layer PCB
  • Low standby power consumption
  • Flash memory based
  • CE certified
  • RoHS compliant
  • WEEE compliant

Typical applications

  • Cell phones and smartphones / Tablets and phablets / Charging accessories

More information

Parts approved by STMicroelectronics

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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))
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IR(mA)
ISAT(A)
RDC(mΩ)
Application
Interface Type
Variant
Gender
Pins
Mount
PCB Thickness(mm)
Working Voltage(V (AC))
G(mm)
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
RDC max.(Ω)
Type
L1(µH)
L2(µH)
IR(mA)
ISAT(A)
RDC1 typ(Ω)
RDC2 typ(Ω)
RDC1 max(Ω)
RDC2 max(Ω)
fres(MHz)
Compliance
Size
L1(µH)
L2(µH)
L3(µH)
IR DC1(A)
IR DC2(A)
IR DC3(A)
RDC max.(Ω)
RDC2 max.(mΩ)
RDC3 max.(mΩ)
fres 1(MHz)
fres 2(MHz)
fres 3(MHz)
P(W)
SamplesAvailability & Sample
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155124VS73200
SPECWL-SMSW SMT Mono-color Side View Waterclear, 573 nm, Bright Green
Simu­lation
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction 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 °
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Operating Temperature -40 °C up to +85 °C
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Length3.2 mm
Width1.5 mm
Height1 mm
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155124RS73200
SPECWL-SMSW SMT Mono-color Side View Waterclear, 624 nm, Red
Simu­lation
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction 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 °
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Operating Temperature -40 °C up to +85 °C
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Length3.2 mm
Width1.5 mm
Height1 mm
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74279262
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Operating Temperature -55 °C up to +125 °C
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Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.3 mm
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Rated Current500 mA
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MountSMT 
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Impedance @ 100 MHz120 Ω
Maximum Impedance200 Ω
Maximum Impedance510 MHz 
Rated Current 21350 mA
DC Resistance0.3 Ω
TypeWide Band 
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Rated Current500 mA
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Size0603 
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DC Resistance [1]0.3 Ω
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74404054022
SPECWE-LQS SMT Power Inductor, –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LQS SMT Power Inductor
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Operating Temperature -40 °C up to +125 °C
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Length5 mm
Width5 mm
Height4 mm
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Inductance2.2 µH
Rated Current3800 mA
Saturation Current5.3 A
DC Resistance19 mΩ
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Self Resonant Frequency77 MHz
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Size5040 
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744871004
SPECWE-DD SMT Shielded Coupled Inductor, –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-DD SMT Shielded Coupled Inductor
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Operating Temperature -40 °C up to +125 °C
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Length12.5 mm
Width12.5 mm
Height6.5 mm
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Inductance4.7 µH
Rated Current3000 mA
Saturation Current8 A
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Rated Current 23000 mA
DC Resistance0.028 Ω
TypeCrossed 
Inductance 14.7 µH
Inductance 24.7 µH
Rated Current3000 mA
Saturation Current8 A
DC Resistance 10.023 Ω
DC Resistance 20.023 Ω
DC Resistance 10.028 Ω
DC Resistance 20.028 Ω
Self Resonant Frequency20 MHz
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Size1260 
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Self Resonant Frequency [1]20 MHz
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885012108021
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Capacitance10 µF
Capacitance±20% 
Rated Voltage25 V (DC)
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 
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885012109014
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Capacitance22 µF
Capacitance±20% 
Rated Voltage25 V (DC)
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 
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Size1210 
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61302011121
SPECWR-PHD Pin Header - Single, –, –
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length50.8 mm
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PackagingBag 
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Rated Current3000 mA
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GenderPin Header 
Pins20 
MountTHT 
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Working Voltage250 V (AC)
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TypeStraight 
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629105150521
SPECWR-USB Mini/Micro Connectors, –, –
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-USB Mini/Micro Connectors
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Operating Temperature -40 °C up to +85 °C
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Insulation Resistance1000 MΩ
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PackagingTape and Reel 
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Rated Current3000 mA
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ApplicationMicro USB 2.0 
Interface TypeType B 
Variantwith Pegs - High Current 
GenderReceptacle 
Pins5 
MountSMT 
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Working Voltage30 V (AC)
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TypeHorizontal 
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632723300011
SPECWR-USB Type C Connectors, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-USB Type C Connectors
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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PackagingTape and Reel 
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Rated Current5000 mA
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ApplicationUSB 3.1 
Interface TypeType C 
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GenderReceptacle 
Pins24 
MountTHR 
PCB Thickness1.6 mm
Working Voltage48 V (AC)
Pin length1.9 mm
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TypeHorizontal 
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61300311121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length7.62 mm
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PackagingBag 
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Rated Current3000 mA
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GenderPin Header 
Pins3 
MountTHT 
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Working Voltage250 V (AC)
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TypeStraight 
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61300411121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length10.16 mm
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PackagingBag 
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Rated Current3000 mA
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GenderPin Header 
Pins4 
MountTHT 
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Working Voltage250 V (AC)
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TypeStraight 
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61400416021
SPECWR-USB Standard Connectors, –, –
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-USB Standard Connectors
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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PackagingTray 
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Rated Current1500 mA
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ApplicationUSB 2.0 
Interface TypeType A 
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GenderReceptacle 
Pins4 
MountTHT 
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Working Voltage30 V (AC)
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TypeHorizontal 
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760308103147
SPECWE-WPCC Wireless Power Array, –, –
Simu­lation
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Array
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Operating Temperature -20 °C up to +105 °C
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Length100 mm
Width55 mm
Height5.2 mm
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MountTHT 
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Saturation Current18 A
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ComplianceMP-A8 3-coil array 
Size100 x 55 x 5.2 mm 
Inductance [1]8.5 µH
Inductance [2]7.5 µH
Inductance [3]8.5 µH
Rated Current DC [1]9 A
Rated Current DC [2]10 A
Rated Current DC [3]9 A
DC Resistance [1]0.056 Ω
DC Resistance [2]56 mΩ
DC Resistance [3]56 mΩ
Self Resonant Frequency [1]11 MHz
Self Resonant Frequency [2]11 MHz
Self Resonant Frequency [3]11 MHz
Power Capability [1]150 W
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