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STWBC2-LP - Digital controller for wireless battery charger transmitters

Product Description

STWBC2-LP is a digital controller specifically dedicated to design Qi-certified Wireless Power TX applications. It is a SiP including an STM32™ microcontroller and an application-specific front-end die. The STWBC2 is capable of driving the DC-DC stage and the half- or full-bridge inverter stage of a generic Qi wireless battery charging TX. It generates and controls the relevant PWM signals by means of a PWM machine capable of 1.47 ns resolution.

Product Features

Digital controller for Qi certified wireless power transmitters

SiP with uC and front end device:

– ARM 32-bit Cortex™-M0+ CPU, frequency up to 64 MHz

– 3x half-bridge drivers

– Embedded 3.6 V / 5 V DC-DC

– 3.3 V and 1.8 V LDOs

– 6 V to 9 V voltage doubler

Support for half- and full-bridge topologies with input DC-DC

– Single and multi-coil topologies

– Support for limited power sources such as 5 V 500 mA USB

VIN operative range: 4.1 V to 24 V

USB physical interfaces

– USB power delivery

Communication interfaces

– UART

– SPI (up to 28 Mbit/s)

– I2C (up to 1 Mbit/s)

– Up to 8x GPIOs

Memory

– 128 Kbytes of Flash memory with ECC

– 32 Kbytes of SRAM with HW parity check

Development support: serial wire debug (SWD)

Operating temperature: -40°C up to 125°C.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.