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DRV3233-Q1

VORSCHAU

12-V- und 24-V-Batterie-Dreiphasen-Gate-Treibereinheit mit präziser Stromerfassung für die Automobil

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Datenblatt

DRV3233-Q1

VORSCHAU
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Produktdetails

Rating Automotive 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 150 TI functional safety category Functional Safety-Compliant
Rating Automotive 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 150 TI functional safety category Functional Safety-Compliant
HTQFP (PHP) 48 81 mm² 9 x 9
  • AEC-Q100 Test Guidance for automotive applications
    • Device ambient temperature: –40°C to +150°C
  • Functional Safety-Compliant targeted
    • Developed for functional safety applications
    • Documentation to aid ISO 26262 system design will be available upon production release
    • Systematic capability up to ASIL D targeted
  • 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
    • Charge pump to support 100% PWM duty cycle and to generate overdrive supply
  • Smart Gate Drive architecture
    • 45-level configurable peak gate drive current up to 1000 / 2000-mA (source / sink)
  • 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)
  • Multiple PWM interface options available
    • 6x, 3x, 1x PWM Modes
    • PWM over SPI
  • Supports 3.3-V, and 5-V Logic Inputs
  • Optional programmable OTP for reset settings
  • Advanced and configurable protection features
    • Battery and power supply voltage monitors
    • Phase feedback comparator
    • MOSFET V DS and R sense over current monitors
    • MOSFET V GS gate fault monitors
    • Internal regulator and clock monitors
    • Analog Built-In-Self-Test (ABIST)
    • Device thermal warning and shutdown
    • Fault condition indicator pin
  • AEC-Q100 Test Guidance for automotive applications
    • Device ambient temperature: –40°C to +150°C
  • Functional Safety-Compliant targeted
    • Developed for functional safety applications
    • Documentation to aid ISO 26262 system design will be available upon production release
    • Systematic capability up to ASIL D targeted
  • 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
    • Charge pump to support 100% PWM duty cycle and to generate overdrive supply
  • Smart Gate Drive architecture
    • 45-level configurable peak gate drive current up to 1000 / 2000-mA (source / sink)
  • 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)
  • Multiple PWM interface options available
    • 6x, 3x, 1x PWM Modes
    • PWM over SPI
  • Supports 3.3-V, and 5-V Logic Inputs
  • Optional programmable OTP for reset settings
  • Advanced and configurable protection features
    • Battery and power supply voltage monitors
    • Phase feedback comparator
    • MOSFET V DS and R sense over current monitors
    • MOSFET V GS gate fault monitors
    • Internal regulator and clock monitors
    • Analog Built-In-Self-Test (ABIST)
    • Device thermal warning and shutdown
    • Fault condition indicator pin

The DRV3233 is an integrated smart gate driver for 12-V and 24-V automotive 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 DRV3233 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 DRV3233 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 DRV3233 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 DRV3233 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 DRV3233 is an integrated smart gate driver for 12-V and 24-V automotive 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 DRV3233 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 DRV3233 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 DRV3233 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 DRV3233 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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Technische Dokumentation

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Typ Titel Datum
* Data sheet DRV3233-Q1 Automotive 24/12-V Battery 3-Phase Gate Driver Unit with accurate current sensing and enhanced diagnostics datasheet PDF | HTML 21 Dez 2020
Application brief Striking a Balance: Automotive Designs for Enhanced Efficiency and EMI Control PDF | HTML 02 Okt 2023

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