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3-Phase Brushless DC (BLDC) Motor Gate Driver with Power Module, Sleep Mode, Op Amps
Overview
- Output Configuration:Three Phase Motor Drivers
- Output Type:Gate Driver
- Motor Control Methods:Direct PWM Input
- Supply Voltage Min (V):4.5
- Supply Voltage Max (V):40
- Max. Ron per Output (Ω):26
- Integrated Op Amps:3
- VRCurrent:70
- NoVoltReg:2
- TempRange Min:-40
- TempRange Max:+150
- AEC-Q100 Grade 0 Qualified
- Three Half-Bridge Drivers Configured to Drive External High-Side NMOS and Low-Side NMOS MOSFETs:
- Independent input control for high-side and low-side NMOS MOSFET gate drives
- Typical peak output current: 0.5A @ 12V
- Three Operational Amplifiers
- Fixed Output Linear Regulator:
- 3.3V or 5.0V @ 70 mA
- True current foldback
- Supply Current:
- Sleep mode: 5 μA typical
- Standby mode, op amps off: <330 μA
- Standby mode, op amps on: <1300 μA
- Dedicated WAKE Pin for Sleep Mode Recovery
- Single Wire UART Communications
- Supply Voltage Range: 4V-40V
- Operational Voltage Range: 6.25V-29V
- Temperature Range (TJ): -40°C to +165°C
- Built-In Safety features
- Shoot-through protection
- Overcurrent and short-circuit protection
- Dedicated FAULT Pin
- Gate Drive Undervoltage Lockout: 4.5V
- Supply Voltage Undervoltage Shutdown: 4.5V
- Supply Voltage Undervoltage Lockout (UVLO): 6.25V
- Overvoltage Lockout (OVLO): 29V
- Thermal Shutdown
The MCP8022 device is a 3-phase Brushless DC (BLDC) power module containing three integrated half-bridge drivers, capable of driving three external NMOS/NMOS transistor pairs. The three phase half-bridge gate driver is capable of delivering a peak output current of 0.5A at 12V for driving high-side and low-side NMOS MOSFET transistors. The driver has shoot-through, overcurrent, and short-circuit protection. A Sleep mode has been added.
The MCP8021/2 devices integrate a 3.3V or 5.0V LDO regulator for supplying power to the host and peripherals, and an overtemperature sensor. The on-board 3.3V or 5.0V dropout voltage regulators are capable of delivering 70 mA of current. The voltage option is selected by part number.
The follow functions are user-configurable: dead time, blanking time, op amp enable/disable during standby, enable/ disable Sleep mode, enable/disable overcurrent detection, and enable/disable gate drive undervoltage protection.
Three independent operational amplifiers are added for general use.
The MPLAB® Mindi™ model is included in the MPLAB® Mindi™ Analog Simulator.
Functional Safety features are listed here: Motor Gate Drivers for Functional Safety Designs
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