DA7281-00FV2

Overview

The DA7281-00FV2 is a low-power haptic driver IC from Renesas Electronics, designed for driving both ERM and LRA actuators. It features multiple I2C addresses, allowing up to four devices on the same bus. Key electrical parameters include an idle power mode of 360nA with full I2C control and memory retention. The device supports wideband LRA drivers operating from 25Hz to 1kHz with resonant mode frequency tracking support up to 300Hz. It offers low-latency direct drive capabilities with only 0.75ms latency when responding from the ultra-low power state. The package type is QFN.

Feature Summary

• Supports multiple I2C addresses enabling up to four devices on a single bus
• Features ultra-low idle power consumption of 360nA with memory retention
• Provides low-latency trigger inputs for immediate response from deep sleep
• Includes on-the-fly diagnostics and custom waveform sequence programming

Applications

• Smartphones
• Gaming devices
• Wearables
• Touch displays

Procurement Notes

Verify the specific suffix FV2 corresponds to the reel packaging configuration as indicated in distributor listings. Confirm that the moisture sensitivity level and reflow soldering profiles align with your assembly process requirements. Ensure the I2C address pin configuration matches your system design constraints regarding addressable device limits.

Selection Notes

Select this component when multiple haptic drivers are required on a single I2C bus due to its unique addressing capability. Choose it for applications demanding minimal latency between wake-up and haptic feedback. Consider it for battery-operated devices requiring ultra-low standby current without losing configuration data.

Part Context

This part belongs to the DA728x family of high-definition haptic drivers. It differs from the DA7280 and DA7282 by utilizing two trigger input pins as I2C address pins. This architectural change enables multi-device deployment on shared buses, distinguishing it within the broader product line.

Replacement Considerations

Public confirmed substitute part numbers: DA7280-00FV2, DA7282-00FV2.