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MP6546
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Description
The MP6546 is a 3-phase brushless DC (BLDC) motor driver for gimbal applications. It has three half-bridge power stages, pre-drivers, field-oriented control (FOC) logic, and angle calculations. The MP6546 supports linear Hall angle inputs or an MPS magnetic angle sensor input. The MP6546 supports multi-slave mode and allows three-axis gimbals to be connected to a single digital interface to reduce the microcontroller (MCU) load and system cost.
The MP6546 can deliver up to 3A of peak current. It uses an internal charge pump to generate the gate driver supply voltage for the high-side MOSFETs (HS-FETs).
Internal safety features include thermal shutdown, under-voltage lockout (UVLO), over-current protection (OCP), short-circuit protection (SCP), and over-voltage protection (OVP).
The MP6546 is available in a QFN-20 (3mmx4mm) package with an exposed thermal pad.
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Features & Benefits
- 3.5V to 22V Operating Supply Voltage
- Three Half-Bridge Drivers
- Up to 1MHz Fast-Mode Plus for Digital Interface
- Configurable Slave Addresses
- Supports Different Angle Sensor Inputs:
- Linear Hall Sensor Input through HA/HB
- Magnetic Angle Sensor through SPI/SSC Interface
- Integrated 12-Bit Analog-to-Digital Converter (ADC) for Hall Sensor
- D-Axis and Q-Axis Voltage Loop with Field-Oriented Control (FOC)
- Standby Mode to Save Quiescent Current
- Under-Voltage Lockout (UVLO)
- Thermal Shutdown (TSD)
- Over-Current Protection (OCP)
- Short-Circuit Protection (SCP)
- Over-Voltage Protection (OVP)
- Memory
- Available in a QFN-20 (3mmx4mm) Package
Active Part Numbers:
MP6546GL-0000-Z MP6546GL-0000-P MP6546GL-xxxx-Z MP6546GL-xxxx-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP6546 Resources
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APPLICATION
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PRODUCT CATEGORY
INTEGRATED BLDC MOTOR DRIVERSPRODUCT CATEGORY -
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ARTICLE
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ARTICLE
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