DRV11873

ACTIVE

12-V nominal, 2-A peak sensorless trapezoidal control 3-phase BLDC motor driver

Top

Product details

Parameters

Rating Catalog Control method Trapezoidal Control Architecture Integrated FET RDS(ON) (HS + LS) (mOhms) 450 Peak output current (A) 2 Vs (Min) (V) 5 Vs ABS (Max) (V) 20 Control I/F 1xPWM Features Rotor Lock Protection, Integrated Motor Control, Integrated FETs, Tach/FG Feedback Operating temperature range (C) -40 to 85 Approx. price (US$) 0.70 | 1ku open-in-new Find other Brushless DC (BLDC) motor drivers

Package | Pins | Size

HTSSOP (PWP) 16 32 mm² 5 x 6.4 open-in-new Find other Brushless DC (BLDC) motor drivers

Features

  • Input Voltage Range: 5 to 16 V
  • Six Integrated MOSFETs With 1.5-A Continuous
    Output Current
  • Total Driver H + L RDSON 450 mΩ
  • Sensorless Proprietary BMEF Control Scheme
  • 150° Commutation
  • Synchronous Rectification PWM Operation
  • FG and RD Open-Drain Output
  • 5-V LDO for External Use up to 20 mA
  • PWMIN Input from 7 to 100 kHz
  • Overcurrent Protection With Adjustable Limit
    Through External Resistor
  • Lock Detection
  • Voltage Surge Protection
  • UVLO
  • Thermal Shutdown
open-in-new Find other Brushless DC (BLDC) motor drivers

Description

DRV11873 is a three-phase, sensorless motor driver with integrated power MOSFETs with drive current capability up to 1.5-A continuous and 2-A peak. DRV11873 is specifically designed for fan motor drive applications with low noise and low external component count. DRV11873 has built-in overcurrent protection with no external current sense resistor needed. The synchronous rectification mode of operation achieves increased efficiency for motor driver applications. DRV11873 outputs FG and RD to indicate motor status with open-drain output. A 150° sensorless BEMF control scheme is implemented for a three-phase motor. DRV11873 is available in the thermally-efficient 16-pin TSSOP package. The operation temperature is specified from –40°C to 125°C.

open-in-new Find other Brushless DC (BLDC) motor drivers
Download
Similar products you might be interested in
open-in-new Compare products
Similar but not functionally equivalent to the compared device:
DRV10974 ACTIVE 12-V nominal, 2.5-A peak sensorless sinusoidal control 3-phase BLDC motor driver Features smaller footprint and 180 sinusoidal control for better acoustics

Technical documentation

= Featured
No results found. Please clear your search and try again. View all 8
Type Title Date
* Datasheet DRV11873 12-V, 3-Phase, Sensorless BLDC Motor Driver datasheet (Rev. A) Nov. 25, 2014
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
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
Application notes DRV11873 Lock Detection Functionality Apr. 22, 2016
User guides DRV11873 EVM User Manual (Rev. A) Mar. 12, 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
$25.00
Description
The DRV11873EVM (evaluation module) provides a cost effective, sensorless-solution for running a 3-phase BLDC motor in 150 degree sinusoidal commutation.
Features
  • 4-16V supply voltage range
  • 1.5A peak output current
  • Allows user to spin their motor in two easy steps: Attach power. Attach motor.
  • PWM and FG connect pins allow for optional closed loop MCU control
  • Fully protected and robust solution

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 16 View options

Ordering & quality

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos

Start-Stop Effect on Brushless DC (BLDC) Motor Drives in Automotive Applications

This video demonstrates the DRV8305-Q1’s ability to drive a motor during a cold crank situation. The device eliminates the need for extra circuitry and is able

Posted: 24-Jan-2016
Duration: 04:25

Watch and learn more

Related videos