- MP6631A
MP6631A
35V Input, 3A Peak Phase Current, Three-Phase BLDC Motor Driver with Closed-Loop Control
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Description
The MP6631A is a three-phase brushless DC (BLDC) motor driver with integrated power MOSFETs. The device supports a single external Hall-effect sensor or triple external Hall-effect sensors to drive a three-phase BLDC motor, with up to 3A of peak phase current and a 3.6V to 35V input voltage (VIN) range.
The MP6631A controls the motor speed through the pulse-width modulation (PWM) signal or the DC signal on the PWM/DC pin with closed-/open-loop control. The device features a built-in, configurable speed curve function. It also features a sinusoidal drive for maximum torque, as well as low speed ripple and noise across the full speed range.
The MP6631A provides rotational speed detection. The rotational speed detector (the FG/RD pin) is an open-drain output. It outputs a high or low voltage relative to the Hall comparator’s output. Direction control is achieved via the DIR pin’s input.
Rich protection features include input over-voltage protection (OVP), under-voltage lockout (UVLO), locked-rotor protection, over-current protection (OCP), and thermal shutdown.
The MP6631A is available in a QFN-26 (3mmx4mm) package.
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Features & Benefits
- 3.6V to 35V Operating Input Voltage (VIN) Range
- Up to 3A of Peak Phase Current
- Integrated 160mΩ High-Side MOSFETs (HS-FETs) and Low-Side MOSFETs (LSFETs)
- Sinusoidal Drive
- Supports 0V to 1.2V DC Input or 1kHz to 100kHz Pulse-Width Modulation (PWM) Input
- Supports Triple-Hall or Single-Hall Element Differential Input
- Closed-/Open-Loop Speed Control
- Direction/Brake Input
- Power-Save Mode
- 0.5s/4.5s Lock Protection
- Over-Current Protection (OCP)
- Single-Pulse or Triple-Pulse FG Output per Electrical Cycle
- FG Signal: Rotational Speed Indication
- Soft Start (SS) for Low Noise and Current Overshoot
- Available in a QFN-26 (3mmx4mm) Package
Active Part Numbers:
MP6631AGL-xxxx-Z MP6631AGL-xxxx-P MP6631AGL-0000-Z MP6631AGL-0000-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP6631A Resources
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