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1 Applications The bq500211EVM-045 evaluation module demonstrates the transmitter portion of the bqTESLA™ wireless power system. This transmitter EVM is a complete transmitter-side solution that powers a bqTESLA™ receiver. The bq500211EVM requires a single 5-V power supply capable of up to 2 A to operate and combines the transmitter electronics， input power socket， LED indicators， and the transmitting coil on the single printed-circuit board （PCB）。 The open design allows easy access to key points of the electrical schematic. The board has an installed serial interface connector for more advanced operation. This EVM has the following features. • Dynamic Power Limiting™ （DPL） allows operation from a 5-V supply with limited current capability （for example， a USB port）。 • Transmitter-coil mounting pad providing the correct receiver interface • Input power is really available 5 V • Standard WPC A5-type transmitter coil • LED indicates power transfer or power fault state • Audio indication of start-of-power transfer though a board-mounted buzzer
2 bq500211EVM-045 Electrical Performance Specifications Table 1 provides a summary of the bq500211EVM-045 performance specifications. All specifications are given for an ambient temperature of 25°C.
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