NN32251A-VT

Overview

The NN32251A-VT is a wireless charging transmitter control IC compliant with the WPC Qi 1.1 standard, manufactured by Panasonic Industry. Designed for surface-mount installation in an HQFP-64 package, it supports an operating supply voltage range of 4.6 V to 19.5 V and draws a typical operating current of 22.6 mA. The device delivers up to 5 W of output power with an adjustable output voltage between 1.7 V and 4.2 V. It functions within a temperature range of -30°C to +85°C and features moisture sensitivity, requiring appropriate handling during assembly.

Feature Summary

• Complies with WPC Qi 1.1 standards for interoperable wireless power transmission
• Integrates control logic for transmitter modules with adjustable output parameters
• Supports surface-mount technology for automated PCB assembly processes

Applications

• Qi-compliant wireless charging base stations
• Portable electronic device charging docks
• Consumer electronics with integrated wireless power reception capabilities

Procurement Notes

This component is officially listed as discontinued or end-of-life by the manufacturer. Availability is restricted, and distributors may not stock this item in all regions. Verify current lifecycle status and sourcing options directly with authorized suppliers before design finalization. Ensure compatibility with existing inventory or plan for alternative component selection due to potential supply constraints.

Selection Notes

Select this IC for designs requiring strict adherence to the Qi 1.1 specification. Consider the HQFP-64 package size and thermal requirements when laying out the PCB. Verify that the system power supply can maintain the required 4.6 V to 19.5 V input range under all load conditions. Account for the specified operating temperature limits in the final enclosure design.

Part Context

The NN32251A belongs to the NN32251 series of wireless charging transmitters developed by Panasonic Industry. This series targets the consumer electronics market, providing a reference solution for manufacturers implementing Qi-standard wireless charging functionality. The VT suffix typically indicates specific packaging or tape-and-reel configuration variations within the product line.

Replacement Considerations

As the part is discontinued, no direct public substitute part numbers are confirmed in the provided documentation. Engineers must evaluate third-party Qi 1.1 compatible ICs, ensuring pinout and electrical parameter alignment through detailed datasheet comparison.