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STMicroelectronics STWBC-EP | Demoboard STEVAL-ISB044V1

Digital controller for wireless battery chargers transmitters for Qi 15 W applications

Overview

TopologyWireless Power Transfer
Input voltage3-5.5 V
Output 15 V / 3 A
IC revision1

Description

The STEVAL-ISB044V1 evaluation kit has been designed for devices, such assmartphones 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-effectivehalf-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 whichgive runtime information, such as the power delivered, the regulation error or theprotocol 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

Products

Order Code Data­sheet Downloads Product seriesApplicationInterface TypeMountIR 1
(A)
Working Voltage
(V (AC))
λDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
CTol. CVR
(V (DC))
DF
(%)
RISOCeramic TypeL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Technical ReferenceISAT
(A)
RDC
(mΩ)
RDC typ.
(mΩ)
VersionZ @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR 2
(mA)
RDC max.
(Ω)
TypeComplianceSizeL
(µH)
P
(W)
IR DC
(A)
fres
(MHz)
QPinsRowsGenderIR
(A)
Packaging Samples
629105150521
IGE STE 3D ALT EAG CADType B with Pegs, High Current at Pin 1 & Pin 5 Micro USB 2.0 SMT Type B Horizontal 5 Contacts High Current Micro USB 2.0 Type B SMT 3 301000 MΩ Horizontal 5 Receptacle 3 Tape and Reel
61400416021
IGE STE 3D ALT EAG CADWR-COM USB 2.0 Type A Horizontal USB 2.0 Type A THT 1.5 301000 MΩ Horizontal 4 Receptacle 1.5 Tray
74279262
STE ALT EAG CAD LTS PSP IGS CAD SPAWE-CBF SMT EMI Suppression Ferrite Bead SMT 0.5 1.6 0.8 0.8 0.3 SMT 120 200 510 MHz 1350 0.3 Wide Band 0603 1.35
74404054022
STE ALT EAG CAD LTS PSP SPE IGS CADWE-LQS SMT Power Inductor SMT 5 5 4 5.3 19 5040 2.2 77 3.8
7447714047
IGS STP ALT EAG CAD LTS PSP SPE CADWE-PD SMT Power Inductor SMT 10 10 5 8 10.4 Performance 0.0124 1050 4.7 34 2 7
74438323100
STE ALT EAG CAD LTS PSP SPE IGS CADWE-MAPI SMT Power Inductor SMT 2.5 2 1 1.35 733 SMT 0.843 2510 10 25 2 0.6
760308104113
STE 3D ALT EAG IGS CADWE-WPCC Wireless Power Transfer Transmitter Coil THT 59.5 52 6 12 60 THT 0.072 Qi - A13 60 x 52 x 4 mm 12 150 8 16 120 2 8
155124RS73200
STE ALT EAG LTS PSP IGS CADWL-SMSW SMT Mono-color Side View Waterclear SMT 624 Red 632 130 2 AlInGaP 120 3.2 1.5 1 1204 Tape and Reel
155124VS73200
STE ALT EAG LTS PSP IGS CADWL-SMSW SMT Mono-color Side View Waterclear SMT 573 Bright Green 575 50 2 AlInGaP 120 3.2 1.5 1 1204 Tape and Reel
885012108021
STE ALT EAG CAD LTS PSP CADWCAP-CSGP MLCCs 25 V(DC)10 µF ±20% 25 10 X5R Class II 3.2 1.6 1.6 X5R1206106M025DFCT10000 1206
885012109014
STE ALT EAG CAD LTS PSP CADWCAP-CSGP MLCCs 25 V(DC)22 µF ±20% 25 10 X5R Class II 3.2 2.5 2.5 X5R1210226M025DFCT10000 1210
61300311121
IGE STE 3D ALT EAG CADWR-PHD 2.54 mm THT Pin Header THT 2501000 MΩ 7.62 Straight 3 Single Pin Header 3 Bag
Samples
Order Code Data­sheet Downloads Product seriesApplicationInterface TypeMountIR 1
(A)
Working Voltage
(V (AC))
λDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
CTol. CVR
(V (DC))
DF
(%)
RISOCeramic TypeL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Technical ReferenceISAT
(A)
RDC
(mΩ)
RDC typ.
(mΩ)
VersionZ @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR 2
(mA)
RDC max.
(Ω)
TypeComplianceSizeL
(µH)
P
(W)
IR DC
(A)
fres
(MHz)
QPinsRowsGenderIR
(A)
Packaging Samples