RAA458100GNP

Wireless Charging System Transmitter IC for Low Power Applications

Wireless charging solution is suitable for the wearable market which are required small size and high efficiency for long life battery. A wireless charging system consists of power receiving and charge/discharge system and power transmitter system. The feature of power receiving and charge/discharge system IC RAA457100 is integrated all functions needed for a wireless chargeing, rectification, charging control for small Lithium-Ion battery and top level of power-efficiency DC-DC converter in a singl chip as 3.22mm x 2.77mm small package. The features of power transmitter IC RAA458100 is integrated functions such as gate driver and power transmitter control circuit.

Product Status: Mass Production

OVERVIEW

RAA458100 is wireless charging system transmitter IC for low power applications. When RAA457100 is used in a receiver, a wireless charging system with bi-directional communication can be constructed.

KEY FEATURES

    • Three operation modes which are available for various applications
      ATPC(AuTomatic Power Control) Mode , MCU Control Mode , Stand Alone Mode
    • Gate drive output for MOSFET bridge circuit : half bridge or full bridge is selectable
    • Over current protection for bridge circuit (OCP), Over temperature protection (THM), and various protection functions
    • Monitoring input voltage or current of bridge circuit and thermistor voltage (Temperature) by 12bit A/D convertor
    • Modulation/Demodulation function for bi-directional communication between transmitter and receiver
    • RAA457100 registers can be set by bi-directional communication from RAA458100 (ATPC Mode)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
RAA458100GNP
Basic Information
Part Name
RAA458100GNP
Production Status
Mass Production
PLP
-
Document
YES
Order
contact
Description
Wireless charging system Transmitter IC for low power applications
Tj-opr (°C)
-20 to +80
Pin Count
40
Package Type
UQFN-40
Package Code

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