Startseite Motortreiber Treiber für bürstenlose Gleichstrommotoren (BLDC) BLDC-Treiber mit integrierter Steuerung
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Motortreiber
Treiber für bürstenlose Gleichstrommotoren (BLDC)
BLDC-Treiber mit integrierter Steuerung

DRV10974

AKTIV

3-phasiger BLDC-Motortreiber, 12 V Nennspannung, 2,5 A Spitze, sensorlose Sinusregelung

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Datenblatt

DRV10974

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Architecture Integrated FET Control topology Sensorless, Sinusoidal Control interface 1xPWM, Analog Vs (min) (V) 4.4 Vs ABS (max) (V) 20 Features Integrated FETs, Integrated Motor Control, Rotor Lock Protection, Self-tuning, Tach/FG Feedback Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Integrated FET Control topology Sensorless, Sinusoidal Control interface 1xPWM, Analog Vs (min) (V) 4.4 Vs ABS (max) (V) 20 Features Integrated FETs, Integrated Motor Control, Rotor Lock Protection, Self-tuning, Tach/FG Feedback Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 16 32 mm² 5 x 6.4 WQFN (RUM) 16 16 mm² 4 x 4
  • Input Voltage Range: 4.4 V to 18 V
  • Total Driver H + L rDS(on): 750 mΩ (Typical) at TA = 25°C
  • Phase Drive Current: 1-A Continuous (1.5-A Peak)
  • 180° Sinusoidal Commutation for Optimal Acoustic Performance
  • Resistor-Configurable Lead Angle
  • Resistor-Configurable Current Limit
  • Soft Start With Resistor-Configurable Acceleration Profile
  • Built-In Current Sense to Eliminate External Current-Sense Resistor
  • Proprietary Sensorless Control Without Motor Center Tap
  • Simple User Interface:
    • One-Pin Configuration for Start-Up
    • PWM Input Designates Magnitude of Voltage Applied to Motor
    • Open-Drain FG Output Provides Speed Feedback
    • Pin for Forward and Reverse Control
  • Fully Protected:
    • Motor-Lock Detect and Restart
    • Overcurrent, Short-Circuit, Overtemperature, Undervoltage
  • Input Voltage Range: 4.4 V to 18 V
  • Total Driver H + L rDS(on): 750 mΩ (Typical) at TA = 25°C
  • Phase Drive Current: 1-A Continuous (1.5-A Peak)
  • 180° Sinusoidal Commutation for Optimal Acoustic Performance
  • Resistor-Configurable Lead Angle
  • Resistor-Configurable Current Limit
  • Soft Start With Resistor-Configurable Acceleration Profile
  • Built-In Current Sense to Eliminate External Current-Sense Resistor
  • Proprietary Sensorless Control Without Motor Center Tap
  • Simple User Interface:
    • One-Pin Configuration for Start-Up
    • PWM Input Designates Magnitude of Voltage Applied to Motor
    • Open-Drain FG Output Provides Speed Feedback
    • Pin for Forward and Reverse Control
  • Fully Protected:
    • Motor-Lock Detect and Restart
    • Overcurrent, Short-Circuit, Overtemperature, Undervoltage

The DRV10974 device is a three-phase sensorless motor driver with integrated power MOSFETs, which can provide continuous drive current up to 1 A (rms). The device is designed for cost-sensitive, low-noise, and low-external-component-count applications.

The DRV10974 device uses a proprietary sensorless control scheme to provide dependable commutation. The 180° sinusoidal commutation significantly reduces pure tone acoustics that are typical with 120° (trapezoidal) commutation. The DRV10974 spin-up is configured using a single external low-power resistor. The current limit can be set by an external low-power resistor.

The DRV10974 device provides for simple control of motor speed by applying a PWM input to control the magnitude of the drive voltage, or by driving the PWM pin with an analog voltage and monitoring the FG pin for speed feedback.

The DRV10974 device includes a number of features to improve efficiency. The resistor-configurable lead angle allows the user to optimize the driver efficiency by aligning the phase current and the phase BEMF. In addition, the use of low-rDS(on) MOSFETs helps to conserve power while the motor is being driven.

The DRV10974 device is a three-phase sensorless motor driver with integrated power MOSFETs, which can provide continuous drive current up to 1 A (rms). The device is designed for cost-sensitive, low-noise, and low-external-component-count applications.

The DRV10974 device uses a proprietary sensorless control scheme to provide dependable commutation. The 180° sinusoidal commutation significantly reduces pure tone acoustics that are typical with 120° (trapezoidal) commutation. The DRV10974 spin-up is configured using a single external low-power resistor. The current limit can be set by an external low-power resistor.

The DRV10974 device provides for simple control of motor speed by applying a PWM input to control the magnitude of the drive voltage, or by driving the PWM pin with an analog voltage and monitoring the FG pin for speed feedback.

The DRV10974 device includes a number of features to improve efficiency. The resistor-configurable lead angle allows the user to optimize the driver efficiency by aligning the phase current and the phase BEMF. In addition, the use of low-rDS(on) MOSFETs helps to conserve power while the motor is being driven.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet DRV10974 12-V, Three-Phase, Sensorless BLDC Motor Driver datasheet (Rev. E) PDF | HTML 04 Mär 2021
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 Okt 2021
EVM User's guide DRV10974 Evaluation Module User's Guide (Rev. C) PDF | HTML 16 Aug 2018
User guide DRV10974 Tuning Guide 11 Apr 2018
Application note Tuning Lead Angle in DRV10x Sensorless BLDC Drivers PDF | HTML 09 Okt 2012

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Referenzdesigns

TIDA-01619 — Referenzdesign für dreiphasigen BLDC-Motortreiber mit 22 mm Durchmesser und thermisch verbessertem D

The TIDA-01619 provides a three-phase brushless DC (BLDC) motor driver solution for systems that have operating range from 4.4 V to 18 V.

This design features the DRV10974 motor driver with the ability to add MCU for closed loop speed control. The DRV10974 offers sensorless commutation with no need (...)

Design guide: PDF
Schaltplan: PDF
Gehäuse Pins Herunterladen
HTSSOP (PWP) 16 Optionen anzeigen
WQFN (RUM) 16 Optionen anzeigen
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Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

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