Microchip MCP8025

Description

The MCP8025 is a 3-Phase brushless motor gate driver and power module that integrates the following features: key-off Sleep mode, a LIN transceiver, a buck voltage regulator, two LDO regulators, power monitoring comparators, an over-temperature sensor, a zero-crossing detector, a neutral simulator, a comparator, and an operational amplifier for motor current monitoring.

The phase comparator and multiplexer allow for hardware commutation detection. The neutral simulator allows commutation detection without a neutral tap in the motor. The 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.

The MCP8025 supports a broad temperature range of -40°C to +150°C. Package options include the 40-lead 5x5 QFN and 48-lead 7x7 TQFP.

Features

• AEC-Q100 Grade 0 Qualified
• Quiescent Current: Sleep Mode: 5 μA Typical
• Standby Mode: < 200 μA
• LIN Transceiver Interface LIN Bus Specifications 1.3 and 2.2 Compliant
• SAE J2602 Compliant
• Dominate State Time Out
• Supports Baud Rates up to 20K baud
• Internal pull-up resistor and diode
• Protected against ground shorts and against loss of ground
• Automatic thermal shutdown
• 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 @ 12V
• Shoot-through protection
• Overcurrent and short circuit protection
• Fixed Output Linear Regulators: 5V @ 30 mA
• 12V @ 30 mA
• Integrated Operational Amplifier
• Overcurrent Comparator With DAC Reference
• Phase Comparator With Multiplexer
• Neutral Simulator
• Adjustable Output Buck Regulator (750 mW)
• Operational Voltage Range: 6V-19V
• Buck Regulator Undervoltage Lockout: 4.0V
• Undervoltage Lockout (UVLO): 5.5V
• Overvoltage Lockout (OVLO): 20V
• Transient (100 ms) Voltage Tolerance: 48V
• Extended Temperature Range: TA = -40°C to +150°C or TA = -40°C to +125°C
• Thermal Warning and Shutdown

Remarks:List of inductorRefer page no.53

Typical applications

• Permanent Magnet Synchronous Motor (PMSM) Control
• Home Appliances
• Automotive Fuel, Water, Ventilation Motors
• Hobby Aircraft, Boats, Vehicles

More information

• Datasheet
• IC product information