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TS51231

Semtech
Part Number TS51231
Manufacturer Semtech
Description High Efficiency Transmitter Driver
Published Jan 29, 2016
Detailed Description TRIUNE PRODUCTS Features • Supports portable wireless charging applications • Wireless power systems up to 5W output •...
Datasheet PDF File TS51231 PDF File

TS51231
TS51231

Overview
TRIUNE PRODUCTS Features • Supports portable wireless charging applications • Wireless power systems up to 5W output • Integrated gate driver and output stage • Single pin control for switching the output stage • Low external component count Applications • Low-power wireless chargers for: ŒŒ Smart Watches ŒŒ Wearables ŒŒ Toys ŒŒ Portable Lighting ŒŒ Medical Devices TS51231 High Efficiency Transmitter Driver for Wireless Power Systems Description The TS51231 is a transmitter driver and output stage for wireless charging applications.
The TS51231 can support systems up to 5W output and proprietary applications.
Switching of the TS51231 is controlled by the wireless power transmitter controller (TS80002 or similar).
Specification • 16 pin 3x3 QFN Typical Application Circuit DC Supply Application Processor TS80002 + TS51231 TS51221 Load TS51231 Final Datasheet March 27, 2015 Transmitter Receiver Rev 1.
0 www.
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com 1 of 10 Semtech Proprietary & Confidential Pin-out (Top view) PGND PGND VIN VIN EN SDA SCL nFLT SW SW BOOT PGND GND VDD HSON PGND Pin-out Configuration Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Pin Symbol EN SDA SCL nFLT PGND HSON VDD GND PGND BOOT SW SW PGND PGND VIN VIN PAD TS51231 Final Datasheet March 27, 2015 Rev 1.
0 Function Enable I2C Serial Data I2C Serial Clock Status Power GND Driver Supply GND Power GND Bootstrap Pin Switching Node Switching Node Power GND Power GND Power Supply Power Supply Power PAD Description Enable I2C Serial Data I2C Serial Clock Fault Status Power GND Driver high-side control Device Supply Device GND Power GND Connected through 22nF capacitor to SW pin Connected to transmitter coil Connected to transmitter coil Power GND Power GND Power Supply Power Supply Power GND www.
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com 2 of 10 Semtech Proprietary & Confidential Functional Block Diagram nFLT HS ON EN VIN MONITOR & CONTROL Over & Under Voltage Protection I²C Interface Input Buffer Gate Drive Control VIN VDD ...


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