IP6805U Overview:
IP6805U is a wireless charging transmitter control SoC chip that is compatible with the latest WPC Qi v1.2.4 standard, supports A11 or A11a coils, and supports 5W charging. IP6805U detects the wireless receiver through analog ping and establishes communication with the receiving end, then begins power transmission. IP6805U decodes the communication data packet sent from the receiver, and then uses PID algorithm to change the oscillation frequency to adjust the output power on the coil. Once the battery on the receiver is fully charged, IP6805U terminates power transmission.
IP6805U integrated full bridge drive circuit and full bridge power MOS, voltage and current two ASK communication demodulation module on chip; The integration degree of the solution is high, which can significantly reduce the size and BOM cost of the solution.
IP6805U Features:
* Compatible with WPC v1.2.4 standard
* Support 5W applications
* Input withstand voltage up to 16V
* Integrated NMOS full bridge driver and full bridge power MOS
* Integrated internal voltage/current demodulation
* Support FOD foreign object detection function
-High sensitivity static foreign object detection
-Support dynamic FOD detection
* Low static power consumption and high efficiency
-Static current 10mA
-Tested system charging efficiency up to 79%
* Compatible with NPO capacitors and CBB capacitors
* Dynamic Power Adjustment (DPM) function is available for USB power supplies with insufficient power supply capacity
-Supports chargers as low as 5V 500mA
* Input overvoltage and overcurrent protection functions
* Supports up to 2 LED indications
* Encapsulation of ESOP8
IP6805U Application products:
Back clip, wireless charging base
Car mounted wireless charging equipment
IP6805U Block Diagram:
IP6805U Pin Definition:
IP6805U Function Description:
Full bridge drive and power MOS
IP6805U is equipped with two symmetrical half bridge driver modules and a built-in power MOS. The PWM frequency can be adjusted from 110kHz to 205kHz, with adjustable steps as low as 0.25kHz.
IP6805U Typical application schematic diagram:
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