DRV10866 Driver Datasheet

DRV10866 Datasheet, PDF, Equivalent


Part Number

DRV10866

Description

Sensorless BLDC Motor Driver

Manufacture

etcTI

Total Page 24 Pages
Datasheet
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DRV10866
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DRV10866
SBVS206A – NOVEMBER 2012 – REVISED MARCH 2015
DRV10866 5-V, 3-Phase, Sensorless BLDC Motor Driver
1 Features
1 Input Voltage Range: 1.65 V to 5.5 V
• Six Integrated MOSFETS With 680-mA Peak
Output Current
• Ultralow Quiescent Current: 5 µA (Typical) in
Standby Mode
• Total Driver H+L RDSOn 900 mΩ
• Sensorless Proprietary BMEF Control Scheme
• 150° Commutation
• Synchronous Rectification PWM Operation
• Selectable FG and ½ FG Open-Drain Output
• PWMIN Input from 15 kHz to 50 kHz
• Lock Detection
• Voltage Surge Protection
• UVLO
• Thermal Shutdown
2 Applications
• Notebook CPU Fans
• Game Station CPU Fans
• ASIC Cooling Fans
3 Description
DRV10866 is a 3- phase, sensorless motor driver
with integrated power MOSFETs with drive current
capability up to 680-mA peak. DRV10866 is
specifically designed for low noise and low external
component count fan motor drive applications.
DRV10866 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.
DRV10866 outputs either FG or ½ FG to indicate
motor speed with open-drain output. A 150°
sensorless BEMF control scheme is implemented for
a 3-phase motor. DRV10866 is available in the
thermally efficient 10-pin, 3-mm × 3-mm × 0.75-mm
SON (DSC) package. The operating temperature is
specified from –40°C to 125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DRV10866
WSON (10)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
DRV10866 Typical Application
100 kΩ
1 FG
2 COM
PWM 10
CS 9
3.8 kΩ
PWMIN
VCC
3 VCC
FGS 8
2.2 µF
4U
V7
5 GND
W6
M
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

DRV10866
DRV10866
SBVS206A – NOVEMBER 2012 – REVISED MARCH 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 8
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 10
8.1 Application Information............................................ 10
8.2 Typical Application ................................................. 10
9 Power Supply Recommendations...................... 14
10 Layout................................................................... 14
10.1 Layout Guidelines ................................................. 14
10.2 Layout Example .................................................... 14
11 Device and Documentation Support ................. 15
11.1 Trademarks ........................................................... 15
11.2 Electrostatic Discharge Caution ............................ 15
11.3 Glossary ................................................................ 15
12 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
Changes from Original (November 2012) to Revision A
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
2 Submit Documentation Feedback
Product Folder Links: DRV10866
Copyright © 2012–2015, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV10866 SBVS206A – NOVEMB ER 2012 – REVISED MARCH 2015 DRV10866 5-V, 3-Phase, Sensorless BLDC Motor Dr iver 1 Features •1 Input Voltage Ran ge: 1.65 V to 5.5 V • Six Integrated MOSFETS With 680-mA Peak Output Current • Ultralow Quiescent Current: 5 µA (Typical) in Standby Mode • Total Dri ver H+L RDSOn 900 mΩ • Sensorless Pr oprietary BMEF Control Scheme • 150° Commutation • Synchronous Rectificat ion PWM Operation • Selectable FG and ½ FG Open-Drain Output • PWMIN Inpu t from 15 kHz to 50 kHz • Lock Detect ion • Voltage Surge Protection • UV LO • Thermal Shutdown 2 Applications • Notebook CPU Fans • Game Station CPU Fans • ASIC Cooling Fans 3 Descr iption DRV10866 is a 3- phase, sensorle ss motor driver with integrated power M OSFETs with drive current capability up to 680-mA peak. DRV10866 is specifical ly designed for low noise and low external component count fan motor drive applications. DRV10866 has b.
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