Startseite Motortreiber Treiber für bürstenlose Gleichstrommotoren (BLDC) BLDC-Treiber
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Treiber für bürstenlose Gleichstrommotoren (BLDC)
BLDC-Treiber

DRV8304

AKTIV

Dreiphasiger intelligenter Gate-Treiber für maximal 40 V mit Strom-Shunt-Verstärkern

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Datenblatt

DRV8304

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 0.15 Vs (min) (V) 6 Vs ABS (max) (V) 40 Features Current sense Amplifier, Hardware Management I/F, Smart Gate Drive Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 0.15 Vs (min) (V) 6 Vs ABS (max) (V) 40 Features Current sense Amplifier, Hardware Management I/F, Smart Gate Drive Operating temperature range (°C) -40 to 125
VQFN (RHA) 40 36 mm² 6 x 6
  • 6-V to 38-V, Triple Half-Bridge Gate Driver With Integrated 3x Current Sense Amplifiers (CSA)
    • 40-V Absolute Maximum Rating
    • Fully Optimized for 12-V and 24-V DC Rails
    • Drives High-Side and Low-Side N-Channel MOSFETs
    • Supports 100% PWM Duty Cycle
  • Smart Gate-Drive Architecture
    • Adjustable Slew-Rate Control for Better EMI and EMC Performance
    • VGS Hand-Shake and Minimum Dead-Time Insertion to Avoid Shoot-Through
    • 15-mA to 150-mA Peak Source Current
    • 30-mA to 300-mA Peak Sink Current
  • 6x, 3x, 1x and Independent PWM Modes
    • Supports 120º Sensored Operation
  • Integrated Gate-Driver Power Supplies
    • High-Side Doubler Charge Pump
    • Low-Side Linear Regulator
  • Integrated Triple Current-Shunt Amplifiers
    • Adjustable Gain (5, 10, 20, 40 V/V)
    • Bidirectional or Unidirectional Support
  • SPI or Hardware Device Variants
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Low-Power Sleep Mode
  • Linear Voltage Regulator, 3.3-V, 30-mA
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • MOSFET VDS Overcurrent Protection (OCP)
    • MOSFET Shoot-Through Protection
    • Gate Driver Fault (GDF)
    • Thermal Warning and Shutdown (OTW/OTSD)
    • Fault Condition Indicator (nFAULT)
  • 6-V to 38-V, Triple Half-Bridge Gate Driver With Integrated 3x Current Sense Amplifiers (CSA)
    • 40-V Absolute Maximum Rating
    • Fully Optimized for 12-V and 24-V DC Rails
    • Drives High-Side and Low-Side N-Channel MOSFETs
    • Supports 100% PWM Duty Cycle
  • Smart Gate-Drive Architecture
    • Adjustable Slew-Rate Control for Better EMI and EMC Performance
    • VGS Hand-Shake and Minimum Dead-Time Insertion to Avoid Shoot-Through
    • 15-mA to 150-mA Peak Source Current
    • 30-mA to 300-mA Peak Sink Current
  • 6x, 3x, 1x and Independent PWM Modes
    • Supports 120º Sensored Operation
  • Integrated Gate-Driver Power Supplies
    • High-Side Doubler Charge Pump
    • Low-Side Linear Regulator
  • Integrated Triple Current-Shunt Amplifiers
    • Adjustable Gain (5, 10, 20, 40 V/V)
    • Bidirectional or Unidirectional Support
  • SPI or Hardware Device Variants
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Low-Power Sleep Mode
  • Linear Voltage Regulator, 3.3-V, 30-mA
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • MOSFET VDS Overcurrent Protection (OCP)
    • MOSFET Shoot-Through Protection
    • Gate Driver Fault (GDF)
    • Thermal Warning and Shutdown (OTW/OTSD)
    • Fault Condition Indicator (nFAULT)

The DRV8304 device is an integrated gate driver for 3-phase brushless DC (BLDC) motors applications for 12-V and 24-V DC rails. These applications include field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of BLDC motors. The device integrates three current-sense amplifiers (CSA) for sensing the phase currents of BLDC motors for optimum FOC and current-control system implementation. An AUTOCAL feature automatically calibrates the CSA offset error for accurate current sensing.

The device is based on smart gate-drive (SGD) architecture to eliminate the need of any external gate components (resistors and Zener diodes) while fully protecting the external FETs. The SGD architecture optimizes dead time to avoid any shoot-through conditions, provides flexibility in decreasing electromagnetic interference (EMI) by gate slew-rate control, and protects against any gate-short conditions through VGS hand-shaking and dead time insertion. Strong pulldown current also prevents any dv/dt gate turnon.

Various PWM control modes (1x, 3x, 6x, and independent) are supported for simple interfacing to control circuits that can be powered by the 30-mA, 3.3-V internal regulator. These modes decrease the number of output peripherals of the controller for the specific motor-control requirements and provide flexibility of control. The device also has a 1x mode for sensored trapezoidal control of the BLDC motor by using the internal block-commutation table. The device can also be configured to drive multiple loads, such as solenoids, in independent mode.

The DRV8304 device is an integrated gate driver for 3-phase brushless DC (BLDC) motors applications for 12-V and 24-V DC rails. These applications include field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of BLDC motors. The device integrates three current-sense amplifiers (CSA) for sensing the phase currents of BLDC motors for optimum FOC and current-control system implementation. An AUTOCAL feature automatically calibrates the CSA offset error for accurate current sensing.

The device is based on smart gate-drive (SGD) architecture to eliminate the need of any external gate components (resistors and Zener diodes) while fully protecting the external FETs. The SGD architecture optimizes dead time to avoid any shoot-through conditions, provides flexibility in decreasing electromagnetic interference (EMI) by gate slew-rate control, and protects against any gate-short conditions through VGS hand-shaking and dead time insertion. Strong pulldown current also prevents any dv/dt gate turnon.

Various PWM control modes (1x, 3x, 6x, and independent) are supported for simple interfacing to control circuits that can be powered by the 30-mA, 3.3-V internal regulator. These modes decrease the number of output peripherals of the controller for the specific motor-control requirements and provide flexibility of control. The device also has a 1x mode for sensored trapezoidal control of the BLDC motor by using the internal block-commutation table. The device can also be configured to drive multiple loads, such as solenoids, in independent mode.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet DRV8304 38-V 3-Phase Smart Gate Driver datasheet (Rev. B) PDF | HTML 17 Jul 2018
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 Okt 2021
Application note System Design Considerations for High-Power Motor Driver Applications PDF | HTML 22 Jun 2021
Application brief MSP430 and DRV83xx Selection Guide for Power Tools (Rev. A) PDF | HTML 14 Jun 2021
Application brief Brushless-DC Made Simple – Sensored Motor Control (Rev. B) PDF | HTML 13 Apr 2021
Application brief Field Oriented Control Made Easy for Brushless DC Motors Using Smart Gate Drive (Rev. B) 22 Aug 2018
Application note Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) 20 Aug 2018
EVM User's guide BOOSTXL-DRV8304H EVM User's Guide 23 Okt 2017
User guide BOOSTXL-DRV8304x EVM GUI User’s Guide 23 Okt 2017
User guide BOOSTXL-DRV8304x EVM Sensored Software User's Guide 23 Okt 2017
User guide BOOSTXL-DRV8304x EVM Sensorless Software User's Guide 23 Okt 2017

Design und Entwicklung

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Evaluierungsplatine

BOOSTXL-DRV8304H — DRV8304H – dreiphasiger Motortreiber – Evaluierungsmodul

The BOOSTXL-DRV8304HEVM evaluation module  (EVM) is a 15A, 3-phase brushless DC drive stage based on the DRV8304H gate driver and A2 dual-package MOSFETs.  The EVM has individual DC bus and phase voltage sense as well as individual low-side current shunt amplifiers, making (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
GUI für Evaluierungsmodul (EVM)

SLVC702 — DRV8304 Software

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

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BLDC-Treiber
DRV8304 — Dreiphasiger intelligenter Gate-Treiber für maximal 40 V mit Strom-Shunt-Verstärkern
Hardware-Entwicklung
Evaluierungsplatine
BOOSTXL-DRV8304H — DRV8304H – dreiphasiger Motortreiber – Evaluierungsmodul
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Simulationsmodell

DRV8304HRHA PSpice Model (Rev. A)

SLVMD55A.ZIP (311 KB) - PSpice Model
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Referenzdesigns

TIDA-01587 — Referenzdesign einer Leistungsstufe zum Antrieb von bürstenlosen DC-Servosantrieben, 10,8 V/30 W, >9

This 15-W, 16-mm × 27-mm, power stage reference design drives and controls the position of the brushless DC (BLDC) motor operating from a three- to four-cell Li-ion battery. This highly-efficient solution is optimized with a very small form factor that easily fits into the motor and supports (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN (RHA) 40 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

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

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