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Details
| Topologie | Drahtlose Energieübertragung |
| Eingangsspannung | 3-5.5 V |
| Ausgang 1 | 5 V / 1 A |
| IC-Revision | V1 |
Beschreibung
The STWBC digital controller for wireless battery charger (WBC) transmitters from STMicroelectronics offers the most flexible and efficient solution for controlling power transfer from a WBC transmitter (TX) to a receiver (RX) in WBC-enabled phones, wearables, and other battery-powered devices that use electromagnetic induction for re-charge. As a member of the Qi Wireless Power Consortium and the PMA (Power Matters Alliance), ST ensures full compatibility with these leading wireless-charging protocols and is one of the first companies that hold certification for the newest Qi 1.1.2 A11 standard. The STWBC performs all the essential functions for transmitter control: it is able to precisely control the amount of transmitted power to match the requirements of the receiving unit in terms of maximizing the efficiency of the power transfer and minimizing any increase in operating temperature. The digital feedback between TX and RX units also allows the detection of metal objects close to the receiver (foreign object detection FOD) that could result in potential hazards, enabling the STWBC to stop power transmission when such objects are detected.
Eigenschaften
- Multiple Qi and PMA standards support
- Qi 1.1.2 A11-certified
- Up to 5W power capability for mobiles, wearables, remote controls
- Native support for half-bridge and full-bridge topologies
- 5V operating voltage.
Uniquely, the STWBC comes with firmware options to offer customers the ability to personalize their end product without the need of external microcontrollers:
- A turn-key Qi 1.1.2 A11 certified solution (reference design board STEVAL-ISB027V1), fully interoperable with Qi-enabled mobile phones
- API (application programming interface) access to customize the underlying firmware, for example modifying the behavior of the LEDs or GPIOs in response to the receiver behavior and supporting I²C and UART communication within a network
The device is offered together with a complete ecosystem to support customers in building their applications, including the Qi 1.1.2 A11-certified reference design board (STEVAL-ISB027V1), API libraries and documentation to develop software customizations, as well as a comprehensive graphical user interface to monitor real-time performance and diagnostics.
Housed in a VFQFPN32 package, the STWBC is available in full production at a price of US$3.00 in 1k volumes.
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | C | Tol. C | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IR(mA) | ISAT(A) | RDC(mΩ) | fres(MHz) | RDC max.(Ω) | Version | Wicklungstyp | Wicklungsanzahl | L1(µH) | Z(Ω) | IR 1(mA) | RDC1 max.(Ω) | VR(V) | Compliance | Bauform | L2(µH) | L3(µH) | IR DC1(A) | IR DC2(A) | IR DC3(A) | RDC2 max.(mΩ) | RDC3 max.(mΩ) | fres 1(MHz) | fres 2(MHz) | fres 3(MHz) | P(W) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| WL-SMSW SMT Mono-color Side View Waterclear, 624 nm, Rot | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMSW SMT Mono-color Side View Waterclear | dominante Wellenlänge [typ.]624 nm | FarbeRot | Spitzen-Wellenlänge [typ.]632 nm | Lichtstärke [typ.]130 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]120 ° | – | – | Betriebstemperatur -40 °C up to +85 °C | – | – | – | Länge3.2 mm | Breite1.5 mm | Höhe1 mm | – | VerpackungTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Bauform1204 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-SL5 HC Stromkompensierter SMT Line Filter, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-SL5 HC Stromkompensierter SMT Line Filter | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge9.5 mm | Breite8.3 mm | Höhe5 mm | – | – | Induktivität30 µH | Nennstrom1400 mA | – | – | – | Gleichstromwiderstand0.06 Ω | VersionSMT | WicklungstypSektional | Wicklungsanzahl2 | Induktivität [1]30 µH | Impedanz2200 Ω | Nennstrom [1]1400 mA | Gleichstromwiderstand [1]0.06 Ω | Nennspannung80 V | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-LQS SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LQS SMT-Speicherdrossel | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge5 mm | Breite5 mm | Höhe4 mm | – | – | Induktivität2.2 µH | Nennstrom3800 mA | Sättigungsstrom5.3 A | Gleichstromwiderstand19 mΩ | Eigenresonanzfrequenz77 MHz | – | – | – | – | – | – | – | – | – | – | Bauform5040 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-PD SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD SMT-Speicherdrossel | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +150 °C | – | – | – | Länge10 mm | Breite10 mm | Höhe5 mm | – | – | Induktivität3.3 µH | Nennstrom7500 mA | Sättigungsstrom9 A | – | Eigenresonanzfrequenz42 MHz | Gleichstromwiderstand0.0105 Ω | VersionPerformance | – | Wicklungsanzahl5.5 | – | – | – | – | – | – | Bauform1050 | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-WPCC Wireless Power Array, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-WPCC Wireless Power Array | – | – | – | – | – | – | – | – | – | – | – | – | – | Länge130 mm | Breite54.7 mm | Höhe8 mm | – | – | – | – | – | – | – | – | VersionTHT | – | – | Induktivität [1]12.5 µH | – | Nennstrom [1]9000 mA | Gleichstromwiderstand [1]0.065 Ω | – | ComplianceQi - A6 | Bauform130 x 55 x 8 mm | Induktivität [2]11.5 µH | Induktivität [3]12.5 µH | Nennstrom DC [1]9 A | Nennstrom DC [2]9 A | Nennstrom DC [3]9 A | Gleichstromwiderstand [2]65 mΩ | Gleichstromwiderstand [3]65 mΩ | Eigenresonanzfrequenz [1]14 MHz | Eigenresonanzfrequenz [2]14 MHz | Eigenresonanzfrequenz [3]14 MHz | Leistungsvermögen [1]150 W | ||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Kapazität10 µF | Kapazität±20% | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.01 GΩ | KeramiktypX5R Klasse II | Länge3.2 mm | Breite1.6 mm | Höhe1.6 mm | Pad Dimension0.6 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung25 V | – | Bauform1206 | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Kapazität10 µF | Kapazität±20% | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.01 GΩ | KeramiktypX5R Klasse II | Länge3.2 mm | Breite2.5 mm | Höhe2 mm | Pad Dimension0.75 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung25 V | – | Bauform1210 | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Kapazität22 µF | Kapazität±20% | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.005 GΩ | KeramiktypX5R Klasse II | Länge3.2 mm | Breite2.5 mm | Höhe2.5 mm | Pad Dimension0.6 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung25 V | – | Bauform1210 | – | – | – | – | – | – | – | – | – | – | – | |||||
 | 750315121 | Transformer, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Transformer | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge19.55 mm | Breite23.75 mm | Höhe10.65 mm | – | VerpackungTape and Reel | Induktivität5 µH | – | Sättigungsstrom8.5 A | – | – | – | – | – | – | – | – | – | – | – | – | BauformEPC17 | – | – | – | – | – | – | – | – | – | – | – |