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DRV10970

Texas Instruments
Part Number DRV10970
Manufacturer Texas Instruments
Description 3-Phase Brushless DC Motor Driver
Published Oct 1, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV10970 SLVSCU7A – FEBRUARY 2...
Datasheet PDF File DRV10970 PDF File

DRV10970
DRV10970

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV10970 SLVSCU7A – FEBRUARY 2016 – REVISED MARCH 2016 DRV10970 Three-Phase Brushless DC Motor Driver 1 Features •1 Wide Power Supply Voltage Range: 5 to 18 V • Integrated FETs: 1-A RMS, 1.
5-A Peak Output Phase/Winding Current • Total Driver H + L RDSON: 400 mΩ • Embedded 180° Sine-Wave and Trapezoidal Commutations • Ultra-Low Power Consumption in Sleep Mode (35 µA) • Adaptive Drive Angle Adjustment • Three or Single Hall Sensor Option to Minimize System Cost • Motor Spin Direction Control • Configurable for 30° Hall Placement or 0° Hall Placement • Adjustable Retry Timing after Motor Lock • Programmable Current-Limit Function • Tachometer – Motor Speed Information on Open- Drain FG Pin • Motor Lock Report on Open-Drain RD Pin • Protection Features – Supply (VM) Undervoltage Lockout – Cycle-by-Cycle Current Limit – Overcurrent Protection (OCP) – Thermal Shutdown – Motor Lock Detect and Report 2 Applications • Cooling Fans • Small Appliances • General-Purpose BLDC Motor Driver 3 Description The DRV10970 is an integrated three-phase BLDC motor driver for home appliance, cooling fans, and other general-purpose motor control applications.
The embedded intelligence, small form factor, and simple pinout structure reduce the design complexity, board space, and system cost.
The integrated protections improve the system robustness and reliability.
The output stage of DRV10970 consists of three halfbridges with RDSON of 400 mΩ (H + L).
Each halfbridge is capable of driving up to 1-A RMS and 1.
5-A peak output current.
When the device enters sleep mode, it consumes typical 35 µA of current.
The advanced 180° sine-wave commutation algorithm is embedded into the device and achieves high efficiency, low torque ripple, and superior acoustic performance.
The adaptive driving angle adjustment function achieves the most optimized efficiency regardless of the motor parameters and load conditions...


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