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無刷 DC (BLDC) 馬達驅動器
BLDC 驅動器

DRV8304

現行

具有電流分流放大器的 40-V 最大 3 相智慧型閘極驅動器

立即訂購
產品規格表

DRV8304

現行
產品規格表 立即訂購

產品詳細資料

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 mm × 6 mm)
  • 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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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 DRV8304 38-V 3-Phase Smart Gate Driver datasheet (Rev. B) PDF | HTML 2018/7/17
Application brief Brushless-DC Made Simple – Sensored Motor Control (Rev. C) PDF | HTML 2026/3/11
應用說明 Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 2021/10/14
應用說明 System Design Considerations for High-Power Motor Driver Applications PDF | HTML 2021/6/22
Application brief MSP430 and DRV83xx Selection Guide for Power Tools (Rev. A) PDF | HTML 2021/6/14
Application brief Field Oriented Control Made Easy for Brushless DC Motors Using Smart Gate Drive (Rev. B) 2018/8/22
應用說明 Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) 2018/8/20
使用指南 BOOSTXL-DRV8304x EVM Sensored Software User's Guide 2017/10/23
使用指南 BOOSTXL-DRV8304x EVM GUI User’s Guide 2017/10/23
使用指南 BOOSTXL-DRV8304x EVM Sensorless Software User's Guide 2017/10/23

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

BOOSTXL-DRV8304H — DRV8304H 三相智慧型閘極驅動器評估模組

BOOSTXL-DRV8304HEVM 評估模組 (EVM) 是基於 DRV8304H 閘極驅動器和 A2 雙封裝 MOSFET 的 15A 三相無刷直流驅動級。  該 EVM 具有獨立的 DC 匯流排和相位電壓感測以及獨立的低側電流並聯放大器，非常適合無感測器 BLDC 演算法。驅動級具有短路、過熱、擊穿和低電壓保護，並可透過不同的硬體配置接腳輕鬆配置。
使用指南: PDF
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有庫存
限制：
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無法提供
開發模組 (EVM) 的 GUI

SLVC702 — DRV8304 Software

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模擬型號

DRV8304HRHA PSpice Model (Rev. A)

SLVMD55A.ZIP (311 KB) - PSpice 模型
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參考設計

TIDA-01587 — 適用於無刷直流伺服驅動的 10.8-V/30-W、>95% 效率、4.3-cm2、功率級參考設計

這款 16-mm × 27-mm 的 15-W 功率級參考設計可驅動和控制以三至四芯鋰離子電池運作的無刷 DC (BLDC) 馬達的位置。這套高效率的解決方案具備最佳化的精巧外型，可輕鬆融入馬達並支援精確的馬達位置控制。此設計也能透過位置回饋以高速驅動馬達。參考設計受到過電流和短路保護，板載 MCU 提供 UART 連線，可透過任何外部控制器進行控制。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN (RHA) 40 Ultra Librarian
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