DRV11873 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DRV11873
Manufacturer

TI
ChipWorker Part#

CW225947903
RoHS

Lead free / RoHS Compliant
Description

20W, 12V 3-phase sensorless BLDC motor driver
Documentation

Datasheet

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DRV11873 Specifications

Attribute	Attribute Value

Part Number	DRV11873
Manufacturer	TI
ChipWorker Part#	CW225947903
Documentation	Datasheet
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RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product 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.
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

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