Order- MP6545A
MP6545A
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Description
The MP6545A is a three-phase power stage IC designed to drive brushless DC (BLDC) motors or other loads.
The MP6545A operates across a 4.5V to 45V input voltage (VIN) range. It can deliver up to 2.5A of output current (IOUT) per phase, depending on the ambient temperature (TA) and PCB layout.
The MP6545A has unique, independent GND pins for each half-bridge. These GND pins make it possible to provide current measurement via an external shunt resistor for different application requirements.
Internal safety and diagnostic features include over-current protection (OCP), input over-voltage protection (OVP), input under-voltage lockout (UVLO) protection, and thermal shutdown.
The MP6545A has separate high-side (HS) and low-side (LS) input pins for each output pin. The MP6545A is available in QFN-28 (4mmx5mm) and TSSOP-28EP packages.
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Features & Benefits
- 4.5V to 45V Operating Input Voltage (VIN) Range
- 2.5A Maximum Output Current (IOUT_MAX)
- Three-Channel Half-Bridge (HB) Driver
- Low 150mΩ On Resistance (RDS(ON)) per MOSFET
- Protection Functions Include:
- Over-Current Protection (OCP)
- Over-Voltage Protection (OVP)
- Under-Voltage Lockout (UVLO) Protection
- Over-Temperature (OT) Shutdown
- Fault Indication Output
- Available in QFN-28 (4mmx5mm) and TSSOP-28EP Packages
Active Part Numbers:
MP6545AGV-Z MP6545AGV-P MP6545AGF-Z MP6545AGF-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP6545A Resources
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ARTICLE
BRUSHED DC MOTORS AND BLDC MOTORS: PARAMETERS, OPERATION, AND DC MOTOR DRIVERSARTICLEDC motors are machines that convert electrical energy to mechanical motion, and their versatility means they can be used in small household appliances and industrial machinery. DC motors rely on electromagnetic interactions. They are simple, efficient, and versatile. This article will describe the components, operation, parameters, and calculations that are pertinent to two common types of DC mot...
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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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ARTICLE
DESIGNING A BRUSHLESS MOTOR DRIVER CIRCUIT WITH THE MP6540ARTICLEMPS recently released an integrated, compact gate driver circuit with six power MOSFETs. This article discusses the MP6540 series, including the MP6540A, MP6540H, and the MP6540HA. The MP6540 is a 3-phase, brushless DC (BLDC) motor driver that integrates three half-bridges consisting of six N-channel power MOSFETs. Conventional motor driver architecture combines a motor driver chip and the power ...
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MP6540/40A – 35V, 3A, MONOLITHIC THREE-PHASE DRIVER ENABLES COMPACT BRUSHLESS DC MOTOR DESIGNSARTICLEThe use of small electric motors to automate basic mechanical functions has proliferated in recent years as consumers come to expect and appreciate “smart functionality” in their everyday appliances. These motorized mechanisms can be grouped into the category of actuators, and are found in a diversity of applications including consumer appliances, home and industrial automation, and ve...
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