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MP6632A 6-50V, 1A 50V, 3-Phase Brushless DC Motor Driver QFN-32
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pMPS MP6632A — 50V, 3-Phase Brushless DC Motor Driver, 6-50V input, 1 A output, QFN-32./p
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MP6632A 6-50V, 1A 50V, 3-Phase Brushless DC Motor Driver QFN-32
The MPS MP6632A is a 50V, 3-Phase Brushless DC Motor Driver. It operates from a 6 V to 50 V input, is rated for 1 A and switches at 50 kHz. It is supplied in a QFN-32 package.
The MP6632A is a 3-phase brushless DC (BLDC) motor driver with up to 1A of driving current and a 6V to 50V input voltage (VIN) range.
Key Specifications
| Part Number | MP6632A |
| Function | 50V, 3-Phase Brushless DC Motor Driver |
| Input Voltage | 6 V to 50 V |
| Current Rating | 1 A |
| Switching Frequency | 50 kHz |
| Interface | PWM |
| Package | QFN-32 |
| Ordering Codes | MP6632A |
Features
- 6V to 50V Input Voltage (VIN) Range
- Up to 1A Driving Current Capacity
- 120° Modulation
- Supports 0V to 3.3V DC Input or 50Hz to 100kHz Pulse-Width Modulation (PWM) Input
- Supports External Triple-Hall Input
- Closed-/Open-Loop Speed Control
- Direction/Brake input
- Power-Save Mode (PSM)
- Locked-Rotor Detection
- Over-Current Protection (OCP)
Typical Application Circuit
Applications
- General 3-Phase Brushless DC (BLDC) Motors
Design Notes
- Set dead time to match the external FET turn-off, not the datasheet typical. Too little risks shoot-through, too much distorts the current waveform at low duty cycle.
- Use a Kelvin connection for the current-sense resistor; shared copper injects switching noise straight into the sense amplifier.
- The thermal pad is the only heat path for most packages — via-stitch it to a ground plane with at least 9 vias.
- PWM frequency trades switching loss against current ripple in the motor inductance; 20 kHz keeps the drive out of the audible band.
- Add a brake or coast path so regeneration during a fast stop does not pump the supply rail.
Common Questions
What input voltage does the MP6632A support?
6 V to 50 V. The rated output is 1 A.
Which package and ordering codes apply to the MP6632A?
QFN-32; order codes include MP6632A.
What are the defining features of the MP6632A?
6V to 50V Input Voltage (VIN) Range Up to 1A Driving Current Capacity
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