SPI-Programmable H-Bridge Brushed DC Motor Driver

HB2002

The HB2002 meets shifting demands for motor control applications in automotive and industrial spaces, delivering the efficient and robust performance necessary for tomorrow's safety-critical solutions.

  • Safety and Protection: H-Bridge motor driver designed using ISO 26262 processes to support ASIL C and D system qualifications.
  • Scalability: SPI-programmable current limits, slew rates, fault reporting, and control schemes enable the same IC to service various applications and motor sizes.
  • Thermal Management: Integrated power MOSFETs have temperature-dependent current limit foldback to reduce power and prevent excessive device heating.

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Block Diagram

HB2002: SPI-Programmable H-Bridge Brushed DC Motor Driver Block Diagram

HB2002 Block Diagram
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Features

  • Advanced diagnostic and fault reporting, via SPI
  • Accuracy for real-time current feedback (5%)
  • Low RDS(on) integrated MOSFETs: 235 mΩ per device MAX (TJ = 150°C)
  • Thermally-efficient QFN package: RΘJC < 1.0 °C/W
  • Wide operating range: 5 V to 28 V, 40 V transient
  • Eight slew rate options, selectable by SPI: 0.25 to > 16 V/µs
  • Four current limit options, selectable by SPI: 5.4/7.0/8.8/10.7 A
  • Configurable for full bridge or half-bridge mode

Key Parametrics

  • Load Supply Voltage (Min) (V)
    5
  • Load Supply Voltage (Max) (V)
    28
  • Interface and Input Control
    Parallel/Parallel, SPI/SPI
  • Ambient Operating Temperature (Min to Max) (℃)
    -40 to 125

SafeAssure Functional Safety Program

SafeAssure Functional Safety Program

When it comes to functional safety, NXP stands for quality and reliability. Our SafeAssure program simplifies system-level safety requirements in accordance with ISO 26262.
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