DA7282-00FVC datasheet(1/75 Pages) RENESAS

Part #	DA7282-00FVC

Description	LRA/ERM Ultra-Low Power Haptic Driver with Multiple Input Triggers and Integrated Waveform Memory

PDF	75 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Datasheet

DA7282

LRA/ERM Ultra-Low Power Haptic Driver with Multiple Input Triggers and Integrated Waveform Memory

R15DS0041EE0330 Rev.3.30

June 16, 2026

CFR0011-120-00

Page 1

DA7282 is a linear resonant actuator (LRA) and

eccentric rotating mass (ERM) haptic driver offering

automatic closed-loop LRA resonant frequency

tracking. The feature guarantees consistency across

LRA production tolerances, operating temperature,

aging, and mechanical coupling. DA7282 offers

wideband operation that fully utilizes the capabilities

of newer wideband and multi-directional LRAs.

The differential output drive architecture and

continuous actuator motion sensing enable efficient,

calibration-free playback and minimize software

complexity. Featuring wake-up on General Purpose

Input (GPI) sequence triggers and/or I2C activity,

DA7282 automatically returns to a low quiescent

current state (typically 0.68 µA) between playbacks.

In OFF mode the device consumes only 5 nA making

it suitable for low power applications.

To reduce system complexity, an integrated

Waveform Memory allows haptic sequences to be

pre-loaded to DA7282. Independent sequences can

be triggered, with low latency (0.75 ms), by up to

three separate input pins without host interaction.

Haptic sequences can also be streamed to DA7282

from an external source via I2C or pulse width

modulated (PWM) signals.

DA7282 actively monitors the back electromotive

force (BEMF) while continuously driving and applies

closed-loop Active Acceleration and Rapid Stopping

for sharper clicks and a higher fidelity user

experience. This offers significant advantages over

existing solutions that need to move into a high-

impedance state during drive to measure the BEMF,

which adds a considerable amount of inactive time to

the sequence and lowers the effective click strength

for a given LRA.

Features

▪ LRA or ERM drive capability

▪ Automatic LRA resonant frequency tracking

▪ Wideband LRA support

▪ I2C and PWM input streaming

▪ Low latency (0.75 ms) I2C/GPI wake-up from low

power consumption IDLE state, IQ = 0.68 µA

▪ Ultra-low latency (0.15 ms) wake-up from

STANDBY state, IQ = 0.8 mA

▪ Three GPI pins for triggering up to six independent

haptic sequences

▪ On-board Waveform Memory with amplitude, time,

and frequency control

▪ Active Acceleration and Rapid Stop technology for

high-fidelity haptic feedback

▪ Actuator diagnostics and fault handling

▪ Configurable EMI suppression

▪ No software requirements with embedded

operation

▪ Differential PWM output drive

▪ Current driven system to deliver constant actuator

power

▪ Automatic short circuit protection

▪ Ultra-low power consumption, IQ = 5 nA, when

device is disabled

▪ Ultra-low power consumption, IQ = 0.68 µA, with

state retention in IDLE state

▪ Supply monitoring, reporting, and automatic output

limiting

▪ Open- and closed-loop modes

▪ Custom wave drive support

▪ Small solution footprint requiring only one

decoupling capacitor in both WLCSP and QFN

Applications

▪ Smartphones, wearables, and hearables

▪ Computer peripherals

▪ Gaming

▪ Automotive and industrial

▪ Virtual and augmented reality controllers

▪ Disposable consumer products

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