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Part Number : DRV2603

Function : Haptic Drive with Auto-Resonance Detection for Linear Resonance Actuators (LRA) / 1.8 V Compatible, 5 V Tolerant Digital Pins

Maker : Texas Instruments

Pinouts :
DRV2603 datasheet

Description :

The DRV2603 is a haptic driver designed specifically to solve common obstacles in driving both Linear Resonance Actuator (LRA) and Eccentric Rotating Mass (ERM) haptic elements. The DRV2603 is also designed for low latency, has excellent efficiency, and plenty of drive strength for actuators commonly used in the portable market.


LRA actuators typically have a narrow frequency band over which they have an adequate haptic response. This frequency window is typically ±2.5 Hz wide or less, so driving an LRA actuator presents a challenge. The DRV2603 solves this problem by employing auto resonance tracking, which automatically detects and tracks the optimum commutation frequency.

This means that any input PWM frequency within the input range (10 kHz to 250 kHz) will automatically produce the correct resonant output frequency. As an additional benefit, the
DRV2603 implements an optimal braking algorithm to stop the LRA from ringing out, leaving the user with a crisp haptic sensation.

Features

  • 1. Flexible Haptic/Vibra Driver
    • LRA (Linear Resonance Actuator)
    • ERM (Eccentric Rotating Mass)
  • 2. Auto Resonance Tracking for LRA
    • No Frequency Calibration Required


 DRV2603 Datasheet


DRV2603 pdf

Others datasheet of same file : DRV2603, DRV2603RUNR, DRV2603RUNT

2016/06/12 15:27 2016/06/12 15:27