Wireless Power Transmitter IC - BD57020MWV

BD57020MWV 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. BD57020MWV works as a controller in the wireless power transmitter based on the Qi compliant by using it with a general-purpose microcomputer. BD57020MWV is applied to Qi ver.1.2 (Low Power and Medium Power).

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD57020MWV-E2 Active UQFN040V5050 2500 2500 Taping Yes
Input Power Supply Voltage (Max.)[V] 5.3
Input Power Supply Voltage (Min.)[V] 4.2
Input Adapter Voltage (Max.)[V] 20.0
Input Adapter Voltage (Min.)[V] 4.6
Output Type MP-A1 / A2
Comment Version 1.2
Operating Temperature (Min.)[°C] -20
Operating Temperature (Max.)[°C] 85
    • WPC / Qi ver.1.2
      (Low Power and Medium Power) support.
    • Half Bridge / Full Bridge inverter
    • Foreign object detection
    • GPIO 4CH
    • I2C bus interface
    • 5.0mm x 5.0mm UQFN package 40 pin
Technical Data
Application Note

Thermal Resistance