STWBC-EP datasheet(1/32 Pages) STMICROELECTRONICS

Part #	STWBC-EP

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

PDF	32 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 32 page

This is information on a product in full production.

October 2017

DocID030747 Rev 1

1/32

STWBC-EP

Digital controller for wireless battery chargers transmitters for

Qi 15 W applications

Datasheet

- production data

Features

 Digital controller for wireless battery charger

transmitter

 15 W single coil inductive transmitters

optimized for:

– Cell phones and smartphones

– Tablets and phablets

– Charging accessories

 Support for Wireless Power Consortium (WPC)

1.2 EPP 15 W certified applications

– Backward compatible with 5 W WPC 1.1

applications

 Support for half bridge topology with DC/DC

 VIN range: 3 V to 5.5 V

– Supports USB Vin

 Active presence detector

 Foreign object detection

 Q-factor measurement

 Parametric customization via GUI

 Turnkey firmware solution

 Peripherals

– 10-bit ADC

– UART interface

–I2C master fast/slow speed rate

– GPIOs

 Memory

– Flash and EEPROM with read-while-write

(RWW) and Error Correction Code (ECC)

– Program memory: 32-Kbyte Flash; data

retention: 20 years at 55 °C after 1000

cycles at 55 °C

– Data memory: 1 Kbyte true data EEPROM;

data retention: 20 years at 55 °C after 1000

cycles at 85 °C

– RAM: 6 Kbytes

 Transmitter reference design:

– WPC Qi 1.2.3 certified

– MP-A10 single coil 15 W topology

– Evaluation board order code: STEVAL-

ISB044V1

– 2-layer PCBs

– Active object detection

– Graphical User Interface for application

monitoring

 Operating temperature: -40 °C up to 105 °C

 Package: VFQFPN32 - 5 x 5mm

Table 1. Device summary

Order code

Type

STWBC-EP

VFQFPN32 , tube

STWBC-EPTR

VFQFPN32 tape and reel

www.st.com

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