DRV8860

ACTIVE

38-V, 0.3-A, octal low-side motor driver with serial control

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Product details

Parameters

Vs (Min) (V) 8 Vs (Max) (V) 38 Peak output current (A) 0.62 RDS(ON) (HS + LS) (mOhms) 1500 Control mode Serial Control interface Serial Features Open-Load Detection Approx. price (US$) 1.32 | 1ku open-in-new Find other Stepper motor drivers

Package | Pins | Size

HTSSOP (PWP) 16 32 mm² 5 x 6.4 TSSOP (PW) 16 22 mm² 5 x 4.4 open-in-new Find other Stepper motor drivers

Features

  • 8-Channel Protected Low-side Driver
    • Eight NMOS FETs with Overcurrent Protection
    • Integrated Inductive Catch Diodes
    • Serial Interface
    • Open/Short Load Detection (DRV8860 only)
    • Configurable 100% Output Timing
    • Configurable PWM Duty Cycle
  • Continuous Current Driving Capability
    • 560 mA (Single Channel on) PW and PWP
    • 200 mA (8 Channels on) PW
    • 330 mA (8 Channels on) PWP
    • Support Parallel Configuration
  • 8 V to 38 V Supply Voltage Range
  • Input Digital Noise Filter for Noise Immunity
  • Internal Data Read Back Capability for Reliable
    Control
  • Protection and Diagnostic Features
    • Overcurrent Protection (OCP)
    • Open Load Detection (OL)
    • Overtemperature Shutdown (OTS)
    • Undervoltage Lockout (UVLO)
    • Individual Channel Status Report
    • Fault Condition Alarm
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Description

The DRV8860 provides an 8-channel low side driver with overcurrent protection and open/shorted load detection. It has built-in diodes to clamp turn-off transients generated by inductive loads, and can be used to drive unipolar stepper motors, DC motors, relays, solenoids, or other loads.

The PWP package can supply up to 330 mA × 8 channel and The PW package can supply up to 200 mA × 8 channel continuous output current. A single channel can deliver up to 560 mA continuous output current.

A serial interface is provided to control the DRV8860 output drivers, configure internal setting register and read the fault status of each channel. DRV8860 devices can be daisy-chained together to use a single serial interface. Energizing-time and holding-PWM-Duty cycles are configurable through serial interface as well. These functions allow for cooler running than always-on solutions.

Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature. DRV8860A does not include open load detection. Fault information for each channel can be read out through serial interface and indicated by an external fault pin.

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Technical documentation

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Type Title Date
* Datasheet DRV8860x 38-V 8-Channel Serial Interface Low-Side Driver datasheet (Rev. E) Nov. 17, 2015
Technical articles Anything but discrete: How to simplify 48-V to 60-V DC-fed three-phase inverter design Feb. 01, 2019
Application notes Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Application notes Using DRV to Drive Solenoids - DRV8876/DRV8702-Q1/DRV8343-Q1 Feb. 19, 2018
Technical articles Integrated intelligence part 3: motor startup from standstill position Dec. 11, 2017
Technical articles Integrated intelligence part 2: motor startup open loop acceleration Dec. 04, 2017
Technical articles Six weird ways to design with a brushless-DC driver Aug. 28, 2017
More literature TM4C123x Stepper Motor Control Product Summary Jul. 06, 2015
User guides DRV8860EVM User’s Guide Sep. 23, 2013

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$99.00
Description

The DRV8860 provides an 8-channel low side driver with comprehensive protection and diagnosis. It offers flexible output configuration options to support different levels of load current with a simple Serial interface, which supports daisy-chain connection for multiple devices. Built-in driving (...)

Features
  • 8 to 38V operating voltage
  • 566mA x 1ch / 200mA x 8ch output current
  • Parallel output configuration supported
  • Integrated catch diodes
  • Configurable driving profile
  • Open load detect
  • User-friendly GUI via Serial interface
  • Dual DRV8860 for daisy-chain evaluation

Reference designs

REFERENCE DESIGNS Download
LED Display Driver with Serial Interface Reference Design
TIDA-00206 This reference design drives 8 seven-segment digits with brightness control, using a low-cost MSP430 and two DRV8860 octal low-side drivers. The display module gain benefits from DRV8860 on wide supply range, high current capability, PWM brightness control, serial daisy chain connection and (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Serial Interface Dual 8-Channel Relay, LED, Stepper Driver
TIDA-00117 This reference design includes dual DRV8860 and an MSP430 value line MCU to provide 16-channel low side driver for Relays, LEDs, and Unipolar steppers. The solution suports voltage range from 8V to 38V, 200mA current for each channel, parallel outputs, protection of short condition and open load (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 16 View options
TSSOP (PW) 16 View options

Ordering & quality

Support & training

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