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無刷 DC (BLDC) 馬達驅動器
BLDC 驅動器

DRV8334

現行

具有準確電流感測功能的 60-V 1000-mA 至 2000-mA 3 相閘極驅動器

立即訂購
產品規格表

DRV8334

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, SPI Gate drive (A) 1 Vs (min) (V) 4.5 Vs ABS (max) (V) 65 Features Current sense Amplifier, Phase Comparators, SPI/I2C, Watchdog timer Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM, SPI Gate drive (A) 1 Vs (min) (V) 4.5 Vs ABS (max) (V) 65 Features Current sense Amplifier, Phase Comparators, SPI/I2C, Watchdog timer Operating temperature range (°C) -40 to 125
HTQFP (PHP) 48 81 mm² 9 x 9
  • Three phase half-bridge gate driver
    • Drives six N-channel MOSFETs (NMOS)
    • 4.5 to 60-V wide operating voltage range
    • Bootstrap architecture for high-side gate driver
    • Strong GVDD charge pump to support up to 50mA average gate switching current enables driving 400nC MOSFETs at 20kHz
    • Trickle charge pump to support 100% PWM duty cycle and to generate overdrive supply to drive external cut-off or reverse polarity protection circuit
  • Smart Gate Drive architecture
    • 45-level configurable peak gate drive current up to 1000 / 2000-mA (source / sink)
    • Three-step drive current configuration to optimize charge/discharge cycle and minimize deadtime
    • Closed-loop automatic deadtime insertion based on gate-source voltage monitoring
    • Configurable soft shutdown to minimize inductive voltage spikes during overcurrent shutdown
  • Low-side Current Sense Amplifier
    • Sub-1 mV low input offset across temperature
    • 9-level adjustable gain
  • SPI-based detailed configuration and diagnostics
  • DRVOFF pin to disable driver independently
  • High voltage wake up pin (nSLEEP)
  • 6x, 3x, 1x, and Independent PWM Modes
  • Supports 3.3-V, and 5-V Logic Inputs
  • Integrated protection features
    • Battery and power supply voltage monitors
    • Phase feedback comparator
    • MOSFET VDS and Rsense over current monitors
    • MOSFET VGS gate fault monitors
    • Device thermal warning and shutdown
    • Fault condition indicator pin
  • Three phase half-bridge gate driver
    • Drives six N-channel MOSFETs (NMOS)
    • 4.5 to 60-V wide operating voltage range
    • Bootstrap architecture for high-side gate driver
    • Strong GVDD charge pump to support up to 50mA average gate switching current enables driving 400nC MOSFETs at 20kHz
    • Trickle charge pump to support 100% PWM duty cycle and to generate overdrive supply to drive external cut-off or reverse polarity protection circuit
  • Smart Gate Drive architecture
    • 45-level configurable peak gate drive current up to 1000 / 2000-mA (source / sink)
    • Three-step drive current configuration to optimize charge/discharge cycle and minimize deadtime
    • Closed-loop automatic deadtime insertion based on gate-source voltage monitoring
    • Configurable soft shutdown to minimize inductive voltage spikes during overcurrent shutdown
  • Low-side Current Sense Amplifier
    • Sub-1 mV low input offset across temperature
    • 9-level adjustable gain
  • SPI-based detailed configuration and diagnostics
  • DRVOFF pin to disable driver independently
  • High voltage wake up pin (nSLEEP)
  • 6x, 3x, 1x, and Independent PWM Modes
  • Supports 3.3-V, and 5-V Logic Inputs
  • Integrated protection features
    • Battery and power supply voltage monitors
    • Phase feedback comparator
    • MOSFET VDS and Rsense over current monitors
    • MOSFET VGS gate fault monitors
    • Device thermal warning and shutdown
    • Fault condition indicator pin

The DRV8334 is an integrated smart gate driver for three-phase BLDC applications. The device provides three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV8334 generates the correct gate drive voltages using an integrated bootstrap diode and a GVDD charge pump. The Smart Gate Drive architecture supports configurable peak gate drive current from 0.7-mA up to 1-A source and 2-A sink. The DRV8334 can operate from a single power supply with a wide input range of 4.5 to 60-V. A trickle charge pump allows for the gate drivers to support 100% PWM duty cycle control, and provides overdrive gate drive voltage of external switches.

The DRV8334 provides low-side current sense amplifiers to support resistor based low-side current sensing. The low offset of the amplifiers enables the system to obtain precise motor current measurement.

A wide range of diagnostics and protection features integrated in the DRV8334 enable a robust motor drive system design and help eliminate the needs of external components. The highly configurable device response allows the device to be integrated seamlessly into a variety of system designs.

The DRV8334 is an integrated smart gate driver for three-phase BLDC applications. The device provides three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV8334 generates the correct gate drive voltages using an integrated bootstrap diode and a GVDD charge pump. The Smart Gate Drive architecture supports configurable peak gate drive current from 0.7-mA up to 1-A source and 2-A sink. The DRV8334 can operate from a single power supply with a wide input range of 4.5 to 60-V. A trickle charge pump allows for the gate drivers to support 100% PWM duty cycle control, and provides overdrive gate drive voltage of external switches.

The DRV8334 provides low-side current sense amplifiers to support resistor based low-side current sensing. The low offset of the amplifiers enables the system to obtain precise motor current measurement.

A wide range of diagnostics and protection features integrated in the DRV8334 enable a robust motor drive system design and help eliminate the needs of external components. The highly configurable device response allows the device to be integrated seamlessly into a variety of system designs.
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類型 標題 日期
* Data sheet DRV8334 Three-Phase Smart Gate Driver with Accurate Current Sensing and Advanced Monitoring datasheet PDF | HTML 2023年 5月 9日
EVM User's guide DRV8334 Evaluation Module User's Guide PDF | HTML 2023年 11月 15日

設計與開發

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開發板

DRV8334EVM — 適用於 3 相閘極驅動器的 DRV8334 評估模組

DRV8334 評估模組 (EVM) 是以適用於 BLDC 馬達之 DRV8334 閘極驅動器為基礎的 30-A 3 相無刷 DC 驅動平台。此 EVM 可快速評估 DRV8334 產品，其會利用梯形整流和控制轉動 BLDC 馬達。所有電源供應器的狀態 LED 及故障 LED 均包含在內，以供使用者回饋。需要 C2000™ LaunchPad™ 開發套件 (LAUNCHXL-F280049C)，以用於控制 DRV8334 以及監控和通報故障。
使用指南: PDF | HTML
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開發模組 (EVM) 的 GUI

DRV8334EVM-SENSORED-TRAPEZOIDAL-GUI — DRV8334EVM GUI to support sensored trapezoidal motor control

DRV8334EVM GUI to support sensored trapezoidal motor control
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產品
BLDC 驅動器
DRV8334 — 具有準確電流感測功能的 60-V 1000-mA 至 2000-mA 3 相閘極驅動器
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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.
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DRV8320 — 65 V 最大 3 相智慧型閘極驅動器 DRV8320R — 具降壓穩壓器的 65-V 最大 3 相智慧型閘極驅動器 DRV8323 — 具電流分流放大器的 65-V 最大 3 相智慧型閘極驅動器 DRV8323R — 具降壓穩壓器和電流分流放大器的 65V 最大三相智慧型閘極驅動器 DRV8329 — 具有單電流感測放大器的 60V 3 相閘極驅動器 DRV8329-Q1 — 具有單電流感測放大器的車用 60V 3 相閘極驅動器 DRV8334 — 具有準確電流感測功能的 60-V 1000-mA 至 2000-mA 3 相閘極驅動器 DRV8340-Q1 — 車用 12V 至 24V 電池 3 相智慧型閘極驅動器 DRV8343-Q1 — 具有電流分流放大器的車用 12V 至 24V 電池 3 相智慧型閘極驅動器 DRV8350 — 102V 最大三相智慧型閘極驅動器 DRV8350F — 102-V 最大 3 相位功能安全品質管理智慧型閘極驅動器 DRV8350R — 具降壓穩壓器的 102-V 最大 3 相智慧型閘極驅動器 DRV8353 — 具電流分流放大器的 102V 最大 3 相智慧型閘極驅動器 DRV8353F — 具有 3x CSA 的 102-V 最大 3 相位功能安全品質管理智慧型閘極驅動器 DRV8353M — 具有電流分流放大器和廣泛溫度的 102-V 最大 3 相智慧型閘極驅動器 DRV8353R — 具降壓穩壓器和電流分流放大器的 102-V 最大 3 相智慧型閘極驅動器
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HTQFP (PHP) 48 Ultra Librarian
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