3-Phase Brushless Motor Pre-Driver

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Block Diagram

3-Phase Brushless Motor Pre-Driver

GD3000 Block Diagram


Key Features

  • Fully specified from 8 to 40 V covers 12 and 24 V automotive systems
  • Extended operating range from 6 to 60 V covers 12 and 42 V systems
  • Greater than 1 A gate drive capability with protection
  • Protection against reverse charge injection from CGD and CGS of external FETs
  • Includes a charge pump to support full FET drive at low battery voltages
  • Deadtime is programmable via the SPI port
  • Simultaneous output capability enabled via safe SPI command
  • Temperature: -40 to 125 °C, -20 to 105 °C
  • Extended supply voltage operating range: 6 to 60 V
  • Wide dead time range (50 ns to 12 μs) programmable via the SPI port
  • External FET gate drive capability of >1 A with protection
  • Charge pump ensures sufficient external FET drive at low supply voltages
  • Device protection against reverse charge-injection from CGD and CGS of external FETS
  • Integrated overcurrent, desaturation, and phase fault-detection
  • Immunity against positive or negative transient voltage spikes on the gate driver
  • Current shoot-through protection built into dead time control
  • Supports direct 3.3 V and 5 V logic interface to MCUs
  • Integrated current sensing amplifier
  • Device configuration and diagnostics through the SPI
  • Parallel and SPI Interface and Input Controllers

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The GD3000 (MC34GD3000) is included in the 10-year program and the GD3000 (MC33GD3000) is included in the 15-year program

Part numbers include: MC33GD3000EP, MC34GD3000EP.


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