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Product details

Parameters

Haptic actuator type ERM, LRA Features Enable Input signal PWM, Analog Vs (Min) (V) 2.5 Vs (Max) (V) 5.5 Output voltage (Max) (V) 5.5 Vout (Max) (V p-p) 11 Iq (Typ) (mA) 1.7 Shutdown current (ISD) (uA) 0.01 Startup time (ms) 0.1 Operating temperature range (C) -40 to 85 open-in-new Find other Haptic motor drivers

Package | Pins | Size

NFBGA (NMB) 8 4 mm² 2 x 2 VSON (DRB) 8 9 mm² 3 x 3 open-in-new Find other Haptic motor drivers

Features

  • High Current Output: 400 mA
  • Wide Supply Voltage Range (2.5 V to 5.5 V) for Direct Battery Operation
  • Low Quiescent Current: 1.7 mA (Typical)
  • Fast Startup Time: 100 µs
  • Low Shutdown Current: 10 nA
  • Output Short-Circuit Protection
  • Thermal Protection
  • Enable Pin is 1.8-V Compatible
  • Available in a 3-mm × 3-mm VQFN Package (DRB) and 2-mm × 2-mm MicroStar Junior™ PBGA Package (ZQV)
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Description

The DRV8601 is a single-supply haptic driver that is optimized to drive a DC motor (also known as Eccentric Rotating Mass or ERM in haptics terminology) or a linear vibrator (also known as Linear Resonant Actuator or LRA in haptics terminology) using a single-ended PWM input signal. With a fast turn-on time of 100 µs, the DRV8601 is an excellent haptic driver for use in mobile phones and other portable electronic devices.

The DRV8601 drives up to 400 mA from a 3.3-V supply. Near rail-to-rail output swing under load ensures sufficient voltage drive for most DC motors. Differential output drive allows the polarity of the voltage across the output to be reversed quickly, thereby enabling motor speed control in both clockwise and counter-clockwise directions, allowing quick motor stopping. A wide input voltage range allows precise speed control of both DC motors and linear vibrators.

With a typical quiescent current of 1.7 mA and a shutdown current of 10 nA, the DRV8601 is ideal for portable applications. The DRV8601 has thermal and output short-circuit protection to prevent the device from being damaged during fault conditions.

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Technical documentation

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Type Title Date
* Data sheet DRV8601 Haptic Driver for DC Motors (ERMs) and Linear Vibrators (LRAs) With Ultra-Fast Turnon datasheet (Rev. D) Oct. 04, 2016
* User guide LPAA MicroStar BGA Discontinued and Redesigned Nov. 03, 2020
More literature Automotive Haptics Solutions Sep. 16, 2013
Technical article MSP430 365/24/7: MSP430 microcontrollers in “always on” consumer applications Feb. 11, 2013
More literature Haptics: Touch feedback that really moves you (Rev. A) Jan. 08, 2013
User guide DRV8601ZQVEVM ERM/LRA Driver Evaluation Module (Rev. A) Oct. 03, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
99
Description

The DRV8601 is a general-purpose single-supply Haptics driver designed to drive a DC motor (also known as Eccentric Rotating Mass or ERM in haptics terminology) or a linear vibrator (also known as Linear Resonant Actuator or LRA in haptics terminology) using a single-ended PWM input signal. With a (...)

Features
  • Pseudo-differential feedback with internal reference.
  • Pseudo-differential feedback with external reference.
  • Differential feedback with external reference.
  • Different gain settings for the DRV8601 can be configured using external resistors in the EVM.

The DRV8601EVM User’s Guide contains the EVM (...)

CAD/CAE symbols

Package Pins Download
NFBGA (NMB) 8 View options
SON (DRB) 8 View options

Ordering & quality

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  • Qualification summary
  • Ongoing reliability monitoring

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