IC manufacturers STMicroelectronics

IC manufacturers (103)

STMicroelectronics STWBC-EP | Demoboard EVALSTWBC-EP

Qi MP-A15 15W wireless charger TX evaluation kit based on STWBC-EP

Overview

TopologyWireless Power Transfer
Input voltage5-20 V
IC revisionV1

Description

he EVALSTWBC-EP is a wireless battery charger TX evaluation kit including EVALSTWBC-EP demo-board and EVALWBCDNGV1 USB-UART dongle, 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 15W. It also supports proprietary fast charging modes up to 10W.The EVALSTWBC-EP transmitter is based on the STWBC-EP and features a costeffective half bridge topology offering external interface via UART. The EVALSTWBCEP solution provides a complete kit, which includes demo board, its firmware, a graphical interface for debug, the schematics, layout files and bill of materials.

Features

  • MP-A15 fixed frequency topology
  • 15W output power
  • Flexible input voltage: 5V to 20V from USB connector
  • 5W mode when connected to 5V USB input
  • WPC Qi1.2.4 standard compliant
  • 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 layers PCB
  • Low standby power consumption
  • Flash memory based

Typical applications

  • Wireless power charger 15W output power

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
50% typ.(°)
C
Tol. C
VR(V (DC))
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
ISAT(A)
RDC(mΩ)
Interface Type
Variant
Gender
Pins
Mount
Working Voltage(V (AC))
L1(µH)
L2(µH)
IR(A)
IR 2(A)
ISAT(A)
RDC1 typ(Ω)
RDC2 typ(Ω)
RDC1 max(Ω)
RDC2 max(Ω)
fres(MHz)
Type
Compliance
Size
L(µH)
IR(A)
RDC max.(Ω)
Q(%)
P(W)
Samples
WL-SMSW SMT Mono-color Side View Waterclear, 573 nm, Bright Green
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 °
Operating Temperature -40 °C up to +85 °C
Length3.2 mm
Width1.5 mm
Height1 mm
PackagingTape and Reel 
MountSMT 
Size1204 
WL-SMSW SMT Mono-color Side View Waterclear, 624 nm, Red
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 °
Operating Temperature -40 °C up to +85 °C
Length3.2 mm
Width1.5 mm
Height1 mm
PackagingTape and Reel 
MountSMT 
Size1204 
WE-LQS SMT Power Inductor, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -40 °C up to +125 °C
Length5 mm
Width5 mm
Height4 mm
Saturation Current5.3 A
DC Resistance19 mΩ
MountSMT 
Self Resonant Frequency77 MHz
Size5040 
Inductance2.2 µH
Rated Current3.8 A
WE-DD SMT Shielded Coupled Inductor, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -40 °C up to +125 °C
Length12.5 mm
Width12.5 mm
Height6.5 mm
Saturation Current8 A
Inductance 14.7 µH
Inductance 24.7 µH
Rated Current3 A
Rated Current 23 A
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
TypeCrossed 
Size1260 
Inductance4.7 µH
Rated Current3 A
DC Resistance0.028 Ω
WCAP-CSGP MLCCs 25 V(DC), –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 
Size1206 
WCAP-CSGP MLCCs 25 V(DC), –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 
Size1210 
WR-USB Mini/Micro Connectors, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -40 °C up to +85 °C
Insulation Resistance1000 MΩ
PackagingTape and Reel 
Interface TypeType B 
Variantwith Pegs - High Current 
GenderReceptacle 
Pins
MountSMT 
Working Voltage30 V (AC)
TypeHorizontal 
Rated Current3 A
WR-PHD Pin Header - Single, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -40 °C up to +105 °C
Insulation Resistance1000 MΩ
Length10.16 mm
PackagingBag 
GenderPin Header 
Pins
MountTHT 
Working Voltage250 V (AC)
TypeStraight 
Rated Current3 A
WE-WPCC Wireless Power Transfer Transmitter Coil, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Length55 mm
Width47 mm
Height4.5 mm
Saturation Current16 A
MountTHT 
Saturation Current16 A
Self Resonant Frequency11 MHz
ComplianceQi - MP-A8 
Size55 x 47 x 4.5 mm 
Inductance8.5 µH
Rated Current8 A
DC Resistance0.056 Ω
Q-Factor140 %
Power Capability [1]100 W