DESCRIPTION

· DA7282 is an ultra-low power haptic driver for LRA and ERM actuators.

· It features automatic closed-loop LRA resonant frequency tracking.

· The device supports wideband operation for modern LRAs.

· It includes an integrated Waveform Memory for pre-loaded haptic sequences.

· DA7282 offers low-latency wake-up and low power consumption modes.

FEATURES

· Supports LRA and ERM drive capabilities.

· Automatic LRA resonant frequency tracking.

· Wideband LRA support and I2C/PWM input streaming.

· Low latency wake-up from IDLE and STANDBY states.

· Three GPI pins for triggering independent haptic sequences.

· On-board Waveform Memory with amplitude, time, and frequency control.

· Active Acceleration and Rapid Stop technology.

· Actuator diagnostics and fault handling.

· Configurable EMI suppression and no software requirements.

· Differential PWM output drive and current driven system.

· Automatic short circuit protection and ultra-low power consumption.

· Supply monitoring, reporting, and automatic output limiting.

· Open- and closed-loop modes with custom wave drive support.

· Small solution footprint with minimal decoupling capacitor requirement.

APPLICATIONS

· Suitable for low power applications due to ultra-low power consumption.

· Ideal for devices requiring high-fidelity haptic feedback.

· Applicable in systems with wideband and multi-directional LRAs.

· Useful in applications needing low-latency haptic sequence triggering.

· Designed for systems with minimal software complexity and embedded operation.