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DRV10975ZPWPR Datasheet(PDF) 1 Page - Texas Instruments |
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DRV10975ZPWPR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 64 page  10 12 Interface to Microcontroller 1 µF 1 µF M 1 2 3 4 5 6 7 8 9 11 24 23 22 21 20 19 18 17 16 15 14 13 VCP CPP CPN SW SWGND VREG V1P8 GND V3P3 SCL SDA FG VCC VCC W W V V U U PGND PGND DIR SPEED 0.1 µF 0.1 µF 3.3 V or 5 V 10 µF 10 µF V CC Copyright © 2016, Texas Instruments Incorporated 39 W Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design 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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. DRV10975, DRV10975Z SLVSCP2D – JANUARY 2015 – REVISED MARCH 2018 DRV10975 12-V, Three-Phase, Sensorless BLDC Motor Driver 1 1 Features 1 • Input Voltage Range: 6.5 to 18 V • Total Driver H + L rDS(on): 250 mΩ • Drive Current: 1.5-A Continuous Winding Current (2-A Peak) • Sensorless Proprietary Back Electromotive Force (BEMF) Control Scheme • Continuous Sinusoidal 180° Commutation • No External Sense Resistor Required • For Flexibility User May Include External Sense Resistor to Monitor Power Delivered to Motor • Flexible User Interface Options: – I2C Interface: Access Registers for Command and Feedback – Dedicated SPEED Pin: Accepts Either Analog or PWM Input – Dedicated FG Pin: Provides TACH Feedback – Spin-Up Profile Customizable With EEPROM – Forward-Reverse Control With DIR Pin • Integrated Step-Down Regulator to Efficiently Provide Voltage (5 V or 3.3 V) for Internal and External Circuits • Supply Current 4.5 mA With Standby Version (DRV10975) • Supply Current 80 μA With Sleep Version (DRV10975Z) • Overcurrent Protection • Lock Detection • Voltage Surge Protection • UVLO Protection • Thermal Shutdown Protection • Thermally-Enhanced 24-Pin HTSSOP 2 Applications • Appliance Fan • HVAC 3 Description The DRV10975 device is a three-phase sensorless motor driver with integrated power MOSFETs, which can provide continuous drive current up to 1.5 A. The device is specifically designed for cost-sensitive, low- noise, low-external-component-count applications. The DRV10975 device uses a proprietary sensorless control scheme to provide continuous sinusoidal drive, which significantly reduces the pure tone acoustics that typically occur as a result of commutation. The interface to the device is designed to be simple and flexible. The motor can be controlled directly through PWM, analog, or I2C inputs. Motor speed feedback is available through either the FG pin or I2C. The DRV10975 device features an integrated step- down regulator to efficiently step down the supply voltage to either 5 or 3.3 V for powering both internal and external circuits. The device is available in either a sleep mode or a standby mode version to conserve power when the motor is not running. The standby mode (4.5-mA) version leaves the regulator running and the sleep mode (80-µA) version shuts it off. Use the standby mode version in applications where the regulator is used to power an external microcontroller. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DRV10975 HTSSOP (24) 7.80 mm × 6.40 mm VQFN (24) Adv. Info. 5.00 mm × 4.00 mm DRV10975Z HTSSOP (24) 7.80 mm × 6.40 mm VQFN (24) Adv. Info. 5.00 mm × 4.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Application Schematic |
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