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MP6545A

45V, 2.5A, Simple Three-Phase Power Stage with Current Measurement

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MP6545A

MP6545A

45V, 2.5A, Simple Three-Phase Power Stage with Current Measurement

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 (V_IN) range. It can deliver up to 2.5A of output current (I_OUT) per phase, depending on the ambient temperature (T_A) 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.

Features & Benefits

4.5V to 45V Operating Input Voltage (V_IN) Range
2.5A Maximum Output Current (I_{OUT_MAX})
Three-Channel Half-Bridge (HB) Driver
Low 150mΩ On Resistance (R_DS(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

Meaning of P & Z

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Technical Forum

Questions answered by MPS engineers in 24h

Kindly suggest me a 4-20mA current transmitter

Kindly suggest me a 4-20mA current transmitter with low quiescent current and having operating temperature range -55 to 85( or above)

MOTOR DRIVERS/SENSORS

Latest activity a day ago

Is MP6541 suitable for PMSM motor with FOC control algorithm?

Hi, We plan to select MP6541/A for 3-phanse DC sovo motor driver with FOC algorithm. We will use its SOA, SOB, SOC for phase current sensing and use t...

MOTOR DRIVERS/SENSORS

Latest activity 3 days ago

MCS1823 - overdrive capability

I want to use the 5A MCS1823 device for current measurement but i expect current peaks up to 25A. Can i use the 5A version or do i have to use a highe...

MOTOR DRIVERS/SENSORS

Latest activity 4 weeks ago

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All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.

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