NN325TRHARQ1

Overview

The NN325TRHARQ1 is a multisensing touch manager designed for automotive applications. It features a 16-bit resolution and includes 32KB of onboard Flash memory. The device supports I2C and SPI interfaces with 10-bit data transmission capabilities. It operates within a supply voltage range of 1.8 V to 3.6 V and functions across a temperature range of -40°C to 105°C. The component is housed in a 40-VQFN (6x6) package.

Feature Summary

• Integrates external touch screen control with onboard non-volatile memory for configuration storage.
• Supports serial communication via I2C and SPI protocols for system integration.
• Includes brownout detection and low supply voltage monitoring for reliable operation.

Applications

• Automotive infotainment systems
• Touchscreen interface controllers
• Multisensing input management

Procurement Notes

Verify the specific ordering suffix to ensure compliance with required automotive qualification standards and RoHS3 specifications. Confirm that the package type matches the target PCB footprint requirements. Check for any available newer substitutes recommended by the manufacturer to ensure long-term availability and performance alignment with current project needs.

Selection Notes

Select this component when an automotive-grade solution with integrated memory and multisensing capabilities is required. Ensure the design accommodates the specified 1.8 V to 3.6 V supply range. Verify that the host processor supports the necessary I2C or SPI interface speeds. Consider the thermal characteristics of the VQFN package for the intended operating environment.

Part Context

This part belongs to Texas Instruments' automotive-grade touch controller family, specifically engineered for robust performance in vehicle environments. It combines touch sensing with additional sensor management functions. The Q1 designation indicates compliance with automotive reliability standards, distinguishing it from standard commercial grade components in terms of quality and longevity requirements.

Replacement Considerations

Consult official manufacturer resources for potential newer substitutes. No specific public substitute part numbers are confirmed in the provided documentation. Verify compatibility if considering alternative models from other manufacturers.