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Product Detailed Parameters
- Description：80V, THREE-PHASE BLDC MOTOR PRE-
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Current Management
- Output Configuration：Half Bridge (3)
- Interface：-
- Technology：Power MOSFET
- Step Resolution：-
- Applications：General Purpose
- Current - Output：-
- Voltage - Supply：8.5V ~ 14V
- Voltage - Load：8V ~ 80V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-VFQFN Exposed Pad
- Supplier Device Package：28-QFN (4x5)
- Grade：-
- Qualification：-
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Overview
The MP6539CGV-Z is a three-phase BLDC motor pre-driver from Monolithic Power Systems, designed for driving six N-channel power MOSFETs in half-bridge configurations. It operates with a supply voltage range of 8.5 V to 14 V and supports load voltages up to 80 V. The device features an internal LDO and charging pump for high-side gate drive maintenance. Key specifications include a maximum junction temperature of +150°C, a quiescent current of 2 uA, and a power dissipation rating of 3.1 W. It is housed in a QFN-28 package.
Feature Summary
- Supports 100V operation with internal bootstrap capacitor and charging pump for sustained high-side drive
- Integrates programmable overcurrent protection (OCP) and adjustable dead-time control to prevent shoot-through
- Includes comprehensive protection mechanisms such as under-voltage lockout (UVLO) and over-temperature shutdown
- Features a low-power sleep mode suitable for battery-operated applications
Applications
- Brushless DC (BLDC) motor driver systems
- Linear actuator control circuits
- High-performance multi-axis motion control systems
- Industrial automation equipment requiring precise motor management
Procurement Notes
Verify the specific suffix 'Z' against official MPS documentation to confirm compliance with RoHS directives and halogen-free status. Confirm that the QFN-28 package variant matches the required thermal pad dimensions for PCB layout. Ensure the selected component aligns with the intended operating temperature range of -40°C to +150°C for the target application environment.
Selection Notes
Select this component when a dedicated pre-driver is required to manage external N-channel MOSFETs in a three-phase configuration. It is appropriate for designs needing robust protection features like OCP and UVLO without integrating the power stage itself. Consider the 80V load voltage limit and ensure it meets the system's bus voltage requirements compared to higher-rated variants.
Part Context
The MP6539CGV-Z belongs to the MP6539 series of integrated gate drivers manufactured by Monolithic Power Systems. This series is engineered specifically for three-phase BLDC motor applications, offering a compact solution for driving external power switches. The CGV-Z designation indicates a specific package and environmental compliance variant within the broader product family.
Replacement Considerations
MP6539GV-P
FAQ
How does the MP6539CGV-Z maintain high-side gate drive voltage during long on-times?
It utilizes an internal charging pump to sustain the high-side gate driver voltage when the bootstrap capacitor alone is insufficient for extended high-state durations.
What protection features are integrated into the MP6539CGV-Z?
The device includes programmable overcurrent protection (OCP), adjustable dead-time control, under-voltage lockout (UVLO), and over-temperature shutdown.
