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IDTP9030 Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDTP9030 Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 28 page  Single Chip Wireless Power Transmitter IC for TX-A1 Product Datasheet IDTP9030 Revision 1.0.2 1 © 2012 Integrated Device Technology, Inc. Features Single-Chip 5W Solution for Wireless Power Consortium (WPC)-compliant power transmitter design A1 Conforms to WPC specification version 1.1 specifications 19±1V Operating Input Voltage Integrated Half-Bridge Inverter Closed-Loop Power Transfer Control between Base Station and Mobile Device Demodulates and Decodes WPC-Compliant Message Packets 5V Regulated DC/DC Converter Integrated RESET Function Proprietary Back –Channel Communication I2C Interface Open-Drain LED Indicator Outputs Over-Temperature/Voltage/Current Protection Security and encryption up to 64 bits Foreign Object Detection (FOD) for safety Applications WPC-Compliant Wireless Charging Base Stations Package: 6x6-48 TQFN (See page 27) Ordering Information (See page 28) Description The IDTP9030 is a highly-integrated single-chip WPC-compliant wireless power transmitter IC for power transmitter design A1. The device operates with a 19V (±1V) adapter, and supplies an integrated half-bridge inverter for DC/AC conversion. It controls the transferred power by modulating the switching frequency of the half-bridge inverter from 110kHz to 205kHz at a fixed 50% duty cycle specified by the WPC specification for an “A1” transmitter. It contains logic circuits required to demodulate and decode WPC-compliant message packets sent by the mobile device to adjust the transferred power. The IDTP9030 is an intelligent device that periodically pings the area surrounding the base station to detect a mobile device for charging while minimizing idle power. Once the mobile device is detected and authenticated, the IDTP9030 continuously monitors all communications from the mobile device, and adjusts the transmitted power accordingly by varying the switching frequency of the half-bridge inverter. The IDTP9030 features a proprietary back-channel communication mode which enables the device to communicate to IDT’s wireless power receiver solutions (e.g. IDTP9020). This feature enables additional layers of capabilities relative to standard WPC requirements. This device also features optional security and encryptions to securely authenticate the receiver before transferring power. This feature is available when an IDTP9020 is used for the receiver. The device includes over-temperature/voltage/current protection and a Foreign Object Detection (FOD) method to protect the base station and mobile device from overheating in the presence of a metallic foreign object. It manages fault conditions associated with power transfer and controls status LEDs to indicate operating modes. Typical Application Circuit Mobile Device Receiver Control System Power Pick-Up Comm Cont Mod Sensing Control Out PWR Base Station Transmitter(s) Control System Power Generation Comm Cont DeMod IN PWR Sensing Control Induction Load Reflection Comm Control Wireless Interface |
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