P9221-18AHGI8

Power Management - Specialized Overview

The P9221-18AHGI8 is a high-integration 15W Qi wireless charging receiver IC from Renesas Electronics, compliant with WPC Qi 1.2/1.3 standards. It features an integrated 32-bit ARM Cortex-M0 processor, low RDS(ON) synchronous rectifier, and ultra-low dropout regulator (LDO). The device supports output voltages of 9V and 12V at up to 1.25A current, delivering 15W power. Operating voltage ranges from 1.8V to 5V with a quiescent current of 3mA. It operates within a temperature range of 0°C to +85°C and utilizes a 52-pin WLCSP package measuring 2.64mm x 3.94mm.

Power Management - Specialized Feature Summary

• Patented over-voltage protection clamp eliminates the need for external capacitors, reducing component count.
• Integrated bidirectional data communication channel enables proprietary device authentication and secure system data transfer without additional circuitry.
• Proprietary coil alignment guide technology optimizes power transfer efficiency in space-constrained applications.

Power Management - Specialized Applications

• Smartphones requiring fast wireless charging capabilities
• Consumer electronics with limited internal space
• IoT devices needing secure data exchange via power link

Power Management - Specialized Procurement Notes

Verify the specific suffix '18' against official Renesas documentation to confirm pinout and electrical characteristics match the standard P9221-R3 variant. Confirm availability status as distribution channels may list this part as End-of-Life or restricted supply. Ensure the ordering code corresponds exactly to the required package and temperature grade.

Power Management - Specialized Selection Notes

Select this component for designs prioritizing high efficiency and minimal external passive components. The integrated MCU allows for flexible firmware implementation of proprietary protocols. Consider the small WLCSP footprint when defining PCB layout constraints. Verify compatibility with the paired transmitter unit for optimal bidirectional communication performance.

Power Management - Specialized Part Context

This receiver IC belongs to the P9221 series, designed for high-efficiency magnetic induction wireless power systems. It complements Renesas transmitter solutions like the P9242-R3 to form complete 15W wireless charging systems. The series targets mobile and consumer markets demanding compact, high-performance charging receivers.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with the standard P9221-R3 variant only if datasheet parameters and pinouts are verified identical by the manufacturer.