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Microchip — MCP8027 Brushless Gate Driver

Microchip

 

Microchip MCP8027 Brushless Gate Driver

Featuring a power module and 5 uA (typ) sleep-mode current

Microchip features the MCP8027, a 3-Phase brushless gate driver with power module and 5 uA (typ) sleep-mode current. The MCP8027 device integrates three half-bridge drivers to drive external NMOS/NMOS transistor pairs configured to drive a 3-phase BLDC motor, a comparator, a voltage regulator to provide bias to a companion microcontroller, power monitoring comparators, an overtemperature sensor, two level translators and three operational amplifiers for motor current monitoring.

The MCP8027 has three half-bridge drivers capable of delivering a peak output current of 0.5A at 12V for driving high-side and low-side NMOS MOSFET transistors. The drivers have shoot-through, overcurrent, and short-circuit protection.

The MCP8027 buck converter is capable of delivering 750 mW of power for powering a companion microcontroller. The buck regulator may be disabled if not used. The on board 5V and 12V low dropout voltage regulators are capable of delivering 30 mA of current.

Features

  • Quiescent Current:
    • Sleep mode: 5 µA typical
    • Standby mode: < 200 µA
  • Three Half-Bridge Drivers Configured to Drive External High-Side NMOS and Low-Side NMOS MOSFETs:
    • Independent input control for high-side NMOS and low-side NMOS MOSFETs
    • Peak output current: 0.5A at 12V
    • Shoot-through protection
    • Overcurrent and short-circuit protection
  • Adjustable Output Buck Regulator (750 mW)
  • Fixed Output Linear Regulators:
    • 5V at 30 mA
    • 12V at 30 mA

 

  • Three Operational Amplifiers
  • Overcurrent Comparator with DAC Reference
  • Level Translators
  • Input Voltage Range: 6V to 40V
  • Operational Voltage Range: 6V to 28V
  • Buck Regulator Undervoltage Lockout: 4V
  • Undervoltage Lockout (UVLO): 5.5V (Except Buck)
  • Overvoltage Lockout (OVLO): 32V
  • High Temperature Range (TA): -40 to +150°C
  • Thermal Shutdown

Applications

  • Industrial Fuel, Water, Ventilation Motors
  • Permanent Magnet Synchronous Motor (PMSM) Control

 

  • Home Appliances
  • Hobby Aircraft, Boats, Vehicles

 

MCP8027 BLDC Motor Driver Evaluation Board

Microchip MCP8027 BLDC Motor Driver Evaluation Board

The MCP8027 QFN40 BLDC Motor Driver Evaluation Board is used to demonstrate the drive capabilities/facilities offered by the MCP8027 in BLDC/PMSM motor applications

 


Microchip MCP8027 Brushless Gate Driver