- MP6640
MP6640
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Description
The MP6640 is a 3-phase brushless DC (BLDC) motor driver that integrates three half-bridges, each consisting of 6 N-channel power MOSFETs, along with pre-drivers and gate drive power supplies.
The MP6640 features a serial peripheral interface (SPI) for complete configurations and detailed diagnostics, as well as three configurable pulse-width modulation (PWM) generators are integrated for BLDC motor operation.
The MP6640 can deliver up to 2.5A of continuous current (depending on thermal and PCB conditions), with an adjustable over-current protection (OCP) threshold. It uses an internal charge pump to generate the gate drive supply voltage for the high-side MOSFETs (HS-FETs).
Internal safety features include thermal shutdown, under-voltage lockout (UVLO), and OCP.
The MP6640 is available in a QFN-16 (2mmx2.5 mm) package.
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Features & Benefits
- 2.7V to 22V Operating Supply Voltage
- Three Integrated Half-Bridge Drivers
- 2.5A of Continuous Output Current (IOUT)/4.5A Peak
- MOSFET On Resistance (RDS(ON)): 70mΩ per FET
- Serial Data Interface (SPI) for Configuration and Diagnostics, 3MHz SPI Communication
- 1.8V and 3.3V Compatible Logic Supply
- Pulse-Width Modulation (PWM) Generators Configurable via SPI:
- Individual Half-Bridge PWM Operation
- Configurable for Each MOSFET
- Supports 11-Bit Duty Cycle Resolution
- Automatic Synchronous Rectification
- Configurable Slew Rate via SPI
- Configurable Over-Current Protection (OCP) via SPI
- Configurable Charge Pump Switching Frequency via SPI
- Diagnostic Functions, Including:
- OCP
- Under-Voltage Protection (UVP)
- Over-Temperature (OT) Warning and OT Shutdown
- Fault Indication Output (nFAULT Pin)
- Internal Charge Pump Supports 100% Duty Cycle Operation
- Available in a QFN-16 (2mmx2.5mm) Package
Active Part Numbers:
MP6640GRP-Z MP6640GRP-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z 
MP6640 Resources
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