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DRV8320

現行

65 V 最大 3 相智慧型閘極驅動器

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產品規格表

DRV8320

現行
立即訂購

產品詳細資料

Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 1 Vs (min) (V) 6 Vs ABS (max) (V) 65 Features Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 1 Vs (min) (V) 6 Vs ABS (max) (V) 65 Features Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (°C) -40 to 125
WQFN (RTV) 32 25 mm² (5 mm × 5 mm)
  • Triple Half-Bridge Gate Driver
    • Drives 3 High-Side and 3 Low-Side N-Channel MOSFETs (NMOS)
  • Smart Gate Drive Architecture
    • Adjustable Slew Rate Control
    • 10-mA to 1-A Peak Source Current
    • 20-mA to 2-A Peak Sink Current
  • Integrated Gate Driver Power Supplies
    • Supports 100% PWM Duty Cycle
    • High-Side Charge Pump
    • Low-Side Linear Regulator
  • 6 to 60-V Operating Voltage Range
  • Optional Integrated DC/DC Buck Regulator
    • LMR16006X SIMPLE SWITCHER
    • 4 to 60-V Operating Voltage Range
    • 0.8 to 60-V, 600-mA Output Capability
  • Optional Integrated Triple Low-Side Current Sense Amplifiers (CSAs)
    • Adjustable Gain (5, 10, 20, 40 V/V)
    • Bidirectional or Unidirectional Support
  • SPI and Hardware Interface Available
  • 6x, 3x, 1x, and Independent PWM Modes
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Low-Power Sleep Mode (12 µA)
  • Linear Voltage Regulator, 3.3 V, 30 mA
  • Compact QFN Packages and Footprints
  • Efficient System Design With Power Blocks
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • MOSFET Overcurrent Protection (OCP)
    • Gate Driver Fault (GDF)
    • Thermal Warning and Shutdown (OTW/OTSD)
    • Fault Condition Indicator (nFAULT)
  • Triple Half-Bridge Gate Driver
    • Drives 3 High-Side and 3 Low-Side N-Channel MOSFETs (NMOS)
  • Smart Gate Drive Architecture
    • Adjustable Slew Rate Control
    • 10-mA to 1-A Peak Source Current
    • 20-mA to 2-A Peak Sink Current
  • Integrated Gate Driver Power Supplies
    • Supports 100% PWM Duty Cycle
    • High-Side Charge Pump
    • Low-Side Linear Regulator
  • 6 to 60-V Operating Voltage Range
  • Optional Integrated DC/DC Buck Regulator
    • LMR16006X SIMPLE SWITCHER
    • 4 to 60-V Operating Voltage Range
    • 0.8 to 60-V, 600-mA Output Capability
  • Optional Integrated Triple Low-Side Current Sense Amplifiers (CSAs)
    • Adjustable Gain (5, 10, 20, 40 V/V)
    • Bidirectional or Unidirectional Support
  • SPI and Hardware Interface Available
  • 6x, 3x, 1x, and Independent PWM Modes
  • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
  • Low-Power Sleep Mode (12 µA)
  • Linear Voltage Regulator, 3.3 V, 30 mA
  • Compact QFN Packages and Footprints
  • Efficient System Design With Power Blocks
  • Integrated Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • MOSFET Overcurrent Protection (OCP)
    • Gate Driver Fault (GDF)
    • Thermal Warning and Shutdown (OTW/OTSD)
    • Fault Condition Indicator (nFAULT)

The DRV832x family of devices is an integrated gate driver for three-phase applications. The devices provide three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV832x generates the correct gate drive voltages using an integrated charge pump for the high-side MOSFETs and a linear regulator for the low-side MOSFETs. The Smart Gate Drive architecture supports peak gate drive currents up to 1A source and 2A. The DRV832x can operate from a single power supply and supports a wide input supply range of 6 to 60 V for the gate driver and 4 to 60 V for the optional buck regulator.

The 6x, 3x, 1x, and independent input PWM modes allow for simple interfacing to controller circuits. The configuration settings for the gate driver and device are highly configurable through the SPI or hardware (H/W) interface. The DRV8323 and DRV8323R devices integrate three low-side current sense amplifiers that allow bidirectional current sensing on all three phases of the drive stage. The DRV8320R and DRV8323R devices integrate a 600mA DC/DC buck regulator.

A low-power sleep mode is provided to achieve low quiescent current draw by shutting down most of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature. Fault conditions are indicated on the nFAULT pin with details through the device registers for SPI device variants.

The DRV832x family of devices is an integrated gate driver for three-phase applications. The devices provide three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV832x generates the correct gate drive voltages using an integrated charge pump for the high-side MOSFETs and a linear regulator for the low-side MOSFETs. The Smart Gate Drive architecture supports peak gate drive currents up to 1A source and 2A. The DRV832x can operate from a single power supply and supports a wide input supply range of 6 to 60 V for the gate driver and 4 to 60 V for the optional buck regulator.

The 6x, 3x, 1x, and independent input PWM modes allow for simple interfacing to controller circuits. The configuration settings for the gate driver and device are highly configurable through the SPI or hardware (H/W) interface. The DRV8323 and DRV8323R devices integrate three low-side current sense amplifiers that allow bidirectional current sensing on all three phases of the drive stage. The DRV8320R and DRV8323R devices integrate a 600mA DC/DC buck regulator.

A low-power sleep mode is provided to achieve low quiescent current draw by shutting down most of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature. Fault conditions are indicated on the nFAULT pin with details through the device registers for SPI device variants.
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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 DRV832x 6 to 60-V Three-Phase Smart Gate Driver datasheet (Rev. D) 2022/3/17
Application brief Brushless-DC Made Simple – Sensored Motor Control (Rev. C) PDF | HTML 2026/3/11
Application brief Understanding Gate Driver Slew Rate Control, MOSFET Switching Optimization and Protection Features (Rev. A) PDF | HTML 2025/12/11
應用說明 Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 2021/10/14
應用說明 Hardware Design Considerations for an Electric Bicycle using BLDC Motor (Rev. B) 2021/6/23
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
應用說明 Understanding Smart Gate Drive (Rev. D) 2021/3/1
技術文章 A basic brushless gate driver design – part 3: integrated vs. discrete half bridge PDF | HTML 2020/12/16
Application brief Low Voltage Motor Drive Operation With Smart Gate Drive 2018/12/20
Application brief Field Oriented Control Made Easy for Brushless DC Motors Using Smart Gate Drive (Rev. B) 2018/8/22
應用說明 Architecture for Brushless-DC Gate Drive Systems (Rev. A) 2018/8/22
應用說明 Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) 2018/8/20
應用說明 Layout Guide for the DRV832x Family of Three-Phase Smart Gate Drivers 2018/3/1
技術文章 A basic brushless gate driver design – part 2 PDF | HTML 2017/7/19
技術文章 A Basic Brushless Gate Driver Design – Part 1 PDF | HTML 2017/6/12
使用指南 BOOSTXL-DRV832X EVM GUI User’s Guide 2017/2/8
應用說明 Sensored 3-Phase BLDC Motor Control Using MSP430 2011/7/20

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-DRV8320H — DRV8320H 三相智慧型閘極驅動器 (硬體介面) 評估模組

BOOSTXL-DRV8320H 評估模組 (EVM) 是基於 DRV8320H 閘極驅動器和 CSD88399Q5DC 雙封裝 MOSFET 的 15A 三相無刷直流驅動級。  此模組具有獨立 DC 匯流排和相位電壓感測，因此此 EVM 最適合無感測器 BLDC 演算法。  此 EVM 包括用於 3.3V MCU 電源的外部降壓穩壓器和外部電流分流放大器。  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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開發板

BOOSTXL-DRV8320S — DRV8320S 三相智慧型閘極驅動器 (SPI 介面) 評估模組

BOOSTXL-DRV8320S 評估模組 (EVM) 是基於 DRV8320S 閘極驅動器和 CSD88399Q5DC 雙封裝 MOSFET 的 15A 三相無刷直流驅動級。  此模組具有獨立 DC 匯流排和相位電壓感測，因此此 EVM 最適合無感測器 BLDC 演算法。  此 EVM 包括用於 3.3V MCU 電源的外部降壓穩壓器和外部電流分流放大器。  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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限制：
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計算工具

BLDC-MAX-QG-MOSFET-CALCULATOR — Calculate the maximum QG MOSFET for your motor driver

Calculate the maximum QG MOSFET that can be driven based on the PWM switching frequency, algorithm type, and additional external capacitance.
支援產品和硬體
參考設計

TIDA-010031 — 25.2-V、30-A 高速無感測器 (>100 krpm) 無刷 DC 馬達驅動參考設計

此參考設計適用於 6V 至 33.6V DC 饋電無刷 DC (BLDC)，支援高達 900W 功率及最高 180,000 rpm 馬達轉速（已驗證至 100,000 rpm）。符合成本效益的智慧型微控制器具備整流點硬體偵測功能，可加快無感測器梯形波控制的速度，並使用速度適應型反電動勢 (BEMF) 偵測。BLDC 功率級體積小巧，效率最佳化，並搭載智慧型三相閘極驅動器，可針對短路，馬達熄火與過熱提供完整防護。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RTV) 32 Ultra Librarian
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