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Wireless Power Transmitter IC - BD57021MWV

BD57021MWV is an integrated IC for the wireless power transmitter. This device is composed of inverters for the coil drive, controller for the communication of the Qi compliant and demodulating circuit, GPIO, TCXO buffer, and I²C interface. BD57021MWV works as a controller in the wireless power transmitter based on the Qi compliant by using it with a general-purpose microcomputer. BD57021MWV is applied to Qi ver.1.2 (Low Power).

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BD57021MWV-E2
Status | Active
Package | UQFN040V5050
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes


Input Power Supply Voltage (Max.)[V]


Input Power Supply Voltage (Min.)[V]


Input Adapter Voltage (Max.)[V]


Input Adapter Voltage (Min.)[V]



Version 1.1

Operating Temperature (Min.)[°C]


Operating Temperature (Max.)[°C]



  • WPC / Qi ver.1.2 (Low Power) support.
  • Half Bridge / Full Bridge inverter
  • Foreign object detection
  • GPIO 4CH
  • I²C bus interface
  • 5.0mm x 5.0mm UQFN package 40 pin