MC34932/S H-Bridge, Brushed DC Motor Driver, 5-36 V, 5 A, 11 kHz/20 kHz

MC34932

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The NXP® MC34932 consists of two independent, monolithic, thermally efficient 36 V/5 A H-Bridge DC motor drivers in the same package.

  • Features real-time load current monitoring and automatic thermal back-off ensuring high availability operation in demanding high-current, high-temperature industrial applications
  • Designed primarily for DC brushed and DC servo motor driver applications within the current and voltage limits stated in this specification
  • Powered by SMARTMOS® technology
  • Processor Expert® component for medium voltage H-Bridge products enables rapid embedded application development.

Product Details

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Block Diagram

29400_MC34932_BD

NXP<sup>&#174;</sup> MC34932 Internal Block Diagram
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Features

Key Features

  • Thermal efficiency: eSOIC package delivers 2X lower thermal impedance, saving board space and simplifying design
  • Automatic thermal back-off: Temperature regulated, peak current limiting ensures continuous high availability operation
  • Real-time load current monitoring: Analog feedback current mirror feature used for motor control or load protection
  • Design-in simplicity: Integrated H-Bridge with charge pump, control, protection and four MOSFETs
  • High efficiency: 120 mΩ typical RDS(ON)
  • Load supply voltage 5 V to 36 V continuous operation, 42 V transient
  • Dual H-Bridge with operation up to 5 A on each channel covering a wide range of applications
  • 3 & 5 V TTL/CMOS compatible
  • Status flag output reports under-voltage, over-current, and over-temperature fault conditions
  • Output short-circuit protection (short to VPWR or GND)
  • Sleep mode with current draw < 20 μA (each half with inputs floating or set to match default logic states)
  • Parallel interface and input control
  • Ambient operating temperature -40 °C (Min), 85 °C (Max)

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC34932 is included in the 10-year program

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