P9030-EVK Renesas

Single Chip Wireless Power Transmitter IC for TX-A1 Product Datasheet IDTP9030 Features Description The IDTP9030 is a highly-integrated single-chip WPC-compliant Single-Chip 5W Solution for Wireless Power wireless power transmitter IC for power transmitter design A1. The Consortium (WPC)-compliant power transmitter device operates with a 19V (1V) adapter, and supplies an integrated design A1 half-bridge inverter for DC/AC conversion. It controls the transferred Conforms to WPC specification version 1.1 power by modulating the switching frequency of the half-bridge inverter specifications 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 191V Operating Input Voltage demodulate and decode WPC-compliant message packets sent by the Integrated Half-Bridge Inverter mobile device to adjust the transferred power. Closed-Loop Power Transfer Control between Base The IDTP9030 is an intelligent device that periodically pings the area Station and Mobile Device surrounding the base station to detect a mobile device for charging Demodulates and Decodes WPC-Compliant while minimizing idle power. Once the mobile device is detected and Message Packets authenticated, the IDTP9030 continuously monitors all communications from the mobile device, and adjusts the transmitted power accordingly 5V Regulated DC/DC Converter by varying the switching frequency of the half-bridge inverter. Integrated RESET Function Proprietary Back Channel Communication The IDTP9030 features a proprietary back-channel communication 2 mode which enables the device to communicate to IDTss s wirele I C Interface power receiver solutions (e.g. IDTP9020). This feature enables Open-Drain LED Indicator Outputs additional layers of capabilities relative to standard WPC requirements. Over-Temperature/Voltage/Current Protection This device also features optional security and encryptions to securely Security and encryption up to 64 bits authenticate the receiver before transferring power. This feature is Foreign Object Detection (FOD) for safety available when an IDTP9020 is used for the receiver. The device includes over-temperature/voltage/current protection and a Applications Foreign Object Detection (FOD) method to protect the base station and mobile device from overheating in the presence of a metallic foreign WPC-Compliant Wireless Charging Base Stations object. It manages fault conditions associated with power transfer and controls status LEDs to indicate operating modes. Typical Application Circuit Wireless Base Station Mobile Device Interface Transmitter(s) Receiver Control Control System Control System Comm Cont Comm Comm Cont Load Sensing Reflection Sensing DeMod Mod Control Control Power Generation Power Pick-Up IN Out PWR Induction PWR Package: 6x6-48 TQFN (See page 27) Ordering Information (See page 28) October 1, 2012, Revision 1.0.1 1 2012 Integrated Device Technology, Inc. Input Power Output Load IDTP9030 Product Datasheet IDTP9030 SW IN ADAPTOR WPC TX-A1 88uF (4x22uF) 1 100nF VO PGND (3x33nF) 250V 1.5K GPIO 1 22nF 20K VOSNS 1 4.7nF 47K REG IN 10K 1 1.2nF 1uF 20K 10K ISNS 2.2nF BUCK5VT IN 1 1 1.8nF 3.3nF 10uF HPF LDO5V LDO5V BUCK5VT 1uF LDO2P5V IN LDO2P5V LDO2P5V 1uF 1uF/25V BUCK5VT BUCK5VT SNS 4.7uH LX 47nF BST 10uF EN EN RESET RESET GPIO 4 Buzzer 47K 1uF SCL SCL SDA SDA 3 GPIO 2 5.1K R GPIO 3 TOP 47K R NTC 2 5.1K GND GPIO 0 EP LEDA LEDB REFGND AGND DGND Figure 1. IDTP9030 Simplified Application Schematic Note 1: NPO/C0G-type ceramic capacitor. Note 2: For PCB layout, use single-point reference (asrt ground), refetor design schematic in Figure 15). Note 3: In circuit at GPIO 2, R is required to linearize the temperature range of the thermistor, R . Please contact IDT for a spreadsheet calculator to guide thermistor TOP NTC selection. Revision 1.0.1 2012 Integrated Device Technology, Inc. 2