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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
DRONES & MULTICOPTERSAPPLICATIONDrones and multicopters are a rapidly growing market, as consumer applications increase and prices plummet. New drone models must be able to offer advanced speed, navigation, and control systems as well as the longest possible airtime. Safety, reliability, and ease of use are crucial to each part — and the holistic function — of these small unmanned aircraft. To ensure that flight is safe and effi...
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APPLICATION
UNMANNED AERIAL VEHICLES (UAVS)APPLICATIONUnmanned aerial vehicles (UAVs) are revolutionizing industrial and defense markets. New UAV designs must be able to withstand harsh conditions and offer state-of-the-art security, reliability, and speed. Control and navigation systems need to be more precise and efficient to ensure to maximize flight time amid a growing number of applications for these unmanned aircraft. Innovations in avionics an...
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PRODUCT CATEGORY
INTEGRATED BLDC MOTOR DRIVERSPRODUCT CATEGORY -
PRODUCT
MPQ6547A-AEC1PRODUCT4V to 32V, 5.5A Peak Current, Three-Phase Power Stage, AEC-Q100 Qualified
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MP6549PRODUCT22V, 10A, Three-Phase Power Stage
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MP6543HPRODUCT22V, 2A, Three-Phase Power Stage with ENBL & PWM Inputs
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MP6541PRODUCT40V, 8A, Three-Phase Power Stage with PWM and ENBL Inputs
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MP6541APRODUCT40V, 8A, Three-Phase Power Stage with HS and LS Inputs
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MP6545PRODUCT45V, 2.5A, Simple Three-Phase Power Stage
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MP6545APRODUCT45V, 2.5A, Simple Three-Phase Power Stage with Current Measurement
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MPQ6541A-AEC1PRODUCT40V, 8A, Three-Phase Power Stage with HS and LS Inputs, AEC-Q100 Qualified
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MPQ6541-AEC1PRODUCT40V, 8A, Three-Phase Power Stage with PWM and ENBL Inputs, AEC-Q100 Qualified
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MP6543CPRODUCT22V, 1.2A, Three-Phase BLDC Motor Driver with Three Integrated Half-Bridges
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MP6543H-APRODUCT22V, 2A, Three-Phase Power Stage with HS and LS Inputs
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MP6543BPRODUCT12V, 2A, Three-Phase Power Stage with Hall-Signal Inputs
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PRODUCT
MP6543H-BPRODUCT22V, 2A, Three-Phase Power Stage with Hall-Signal Inputs
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PRODUCT
MP6543APRODUCT12V, 2A, Three-Phase Power Stage with HS and LS Inputs
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PRODUCT
MP6543PRODUCT12V, 2A, Three-Phase Power Stage with ENBL & PWM Inputs
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PRODUCT
MP6540HAPRODUCT50V, 5A, Three-Phase Power Stage with HS and LS Inputs
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PRODUCT
MP6540HPRODUCT50V, 5A, Three-Phase Power Stage with PWM and Enable Inputs
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PRODUCT
MP6540PRODUCT35V, 3A, Three-Phase Power Stage
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PRODUCT
MP6540APRODUCT35V, 3A, Three-Phase Power Stage
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PRODUCT
MP6536PRODUCT26V, 5.5A, 3-Channel Half-Bridge Driver
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PRODUCT
MPQ6547-AEC1PRODUCT4V to 30V, 1.5A, Three-Phase Power Stage, AEC-Q100 Qualified
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ARTICLE
INTEGRATED DRIVERS VS. GATE DRIVERS FOR MOTOR DRIVINGARTICLEWhen designing a motor control circuit, it is vital to determine how to deliver the high current required to drive the motor. Designers must choose whether to use monolithic integrated circuits that have internal power devices, or gate driver ICs and discrete external power MOSFETs. This article discusses the advantages and disadvantages of each approach and provides guidance on when to choose eit...
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