BQ51013ARHLT

The BQ51013ARHLT from Texas Instruments is an advanced, integrated receiver IC designed for wireless power transfer in portable applications. It provides AC/DC power conversion and digital control to comply with the Qi v1.0 communication protocol, enabling a complete contactless power transfer system when paired with a compatible transmitter controller.

This device features a high overall peak AC-DC efficiency of 93% and a full synchronous rectifier. It supports a 5V regulated output supply and includes dynamic rectifier control for improved load transient response and dynamic efficiency scaling for optimized performance across various output power levels. The receiver supports up to 20V maximum input and has a low-power dissipative rectifier with an overvoltage clamp set at 15V.

Packaged in a 20-VQFN (3.5mm x 4.5mm) format, the BQ51013ARHLT is suitable for surface mount applications. It operates within a temperature range of 0°C to 125°C (TJ) and includes thermal shutdown protection. A multifunction NTC and control pin allows for temperature monitoring, charge status indication, and fault control.

Key features include WPC v1.0 compliance, output voltage conditioning, adaptive communication limit for robust communication, and a programmable termination pin for charge status. The IC requires only the receiver coil and a 5V DC output voltage conditioning circuit between the coil and the downstream electronics.