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DRV8601DRBR

400mA Haptic Driver for ERM/LRA, 2.5-5.5V, 100us startup, VSON-8

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Manufacturer Part：

DRV8601DRBR

Package：

VSON-8 (3.0 x 3.0 x 0.9 mm)

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Description

Product Overview

The DRV8601DRBR is a haptic driver from Texas Instruments optimized for driving DC motors (ERM) and linear resonant actuators (LRA). It features differential output drive with up to 400mA output current from a 3.3V supply. The device offers ultra-fast 100us turn-on time, low 1.7mA quiescent current, and 10nA shutdown current, making it ideal for portable and battery-powered haptic feedback applications.

Key Specifications

Motor Type ERM (DC Motor), LRA (Linear Vibrator)
Supply Voltage 2.5V to 5.5V
Output Current 400mA
Input Signal Analog, PWM
Startup Time 100us
Quiescent Current 1.7mA typical
Shutdown Current 10nA typical
Output Configuration Differential
Operating Temperature -40C to +85C
Package VSON-8 (3x3mm)

Features

  • Drives both ERM and LRA haptic actuators
  • 400mA output from 3.3V supply
  • Ultra-fast 100us startup time
  • Near rail-to-rail output swing
  • Differential output for bidirectional motor control
  • Low quiescent current (1.7mA) and shutdown current (10nA)
  • Output short-circuit and thermal protection
  • 1.8V compatible enable pin

Applications

  • Mobile phone haptic feedback
  • Portable electronics vibration alert
  • Wearable device tactile feedback
  • Gaming controller rumble motor
  • Touchscreen haptic response

The DRV8601DRBR from Texas Instruments is a single-supply haptic driver optimized for driving ERM (Eccentric Rotating Mass) DC motors and LRA (Linear Resonant Actuators) using a single-ended PWM input. With 400mA output capability and 100us fast turn-on time, it provides responsive haptic feedback for mobile phones and portable electronics. The differential output drive enables quick motor reversal for rapid stopping. The device features 1.7mA quiescent current and 10nA shutdown current for minimal battery drain.

The DRV8601 uses a differential output driver stage with power MOSFETs in an H-bridge-like configuration. The PWM input signal controls the output drive level and direction. For ERM operation, the differential output applies voltage across the motor terminals in one direction for forward rotation and reverses polarity for quick braking. For LRA operation, the device drives the actuator at its resonant frequency. The enable pin (1.8V compatible) controls device power states. Internal thermal shutdown and output short-circuit protection safeguard the device during fault conditions.

Pin Name Type Function
1 OUT+ Output Positive differential output
2 VDD Power Supply voltage (2.5-5.5V)
3 EN Control Enable (active high, 1.8V compatible)
4 PWM Input PWM / analog input signal
5 GND Power Ground
6 IN Input Reference input
7 OUT- Output Negative differential output
8 PGND Power Power ground
Pad EP Thermal Exposed thermal pad (connect to GND)
  • Mobile phone and smartphone vibration motor driver
  • Wearable device haptic feedback actuators
  • Gaming controller and joystick rumble motors
  • Tablet and touchscreen tactile response
  • Medical device patient alert vibration
Manufacturer Part Number Package Notes
Texas Instruments DRV2605L WQFN-10 Advanced haptic driver with library
onsemi LC898302 WLCSP-16 ERM/LRA driver
ADI ADP1051 LFCSP Haptic driver alternative
Texas Instruments DRV8601DRBT VSON-8 Cut tape version
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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