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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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