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MP6630

5.5V, 3-Phase Fan Driver For NoteBook with Integrated Hall Sensor

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Description

The MP6630 is a 3-phase, brushless DC motor driver with integrated power MOSFETs for notebook fan drivers. The input voltage ranges from 2V to 5.5V.

The device controls the motor speed through a PWM signal on the PWM pin. It features an embedded single Hall sensor for robust start-up performance, sine-wave control for high efficiency and low-speed ripple / vibration over the full speed range.

The MP6630 also has a rotational speed detector. The FG pin is an open-drain output that detects rotational speed.

Protection features include under-voltage lockout (UVLO), locked-rotor protection, over-current protection (OCP), and thermal shutdown protection.

The MP6630 is available in a UTQNF-8 (2mmx3mm) package.

Advantages Include:

Sine-wave & single Hall for high efficiency and robust start-up
Flexible programmable starting duty
Fewer external components
Low RDS(ON), UTQFN (2mmx3mm) package

Features & Benefits

Wide 2V to 5.5V Operating Input Range
Sine-Wave Control for High Efficiency and Low Speed Vibration
Embedded Single Hall Sensor to Ensure Robust Start-Up
Integrated Power MOSFETs
0.5s / 5s Rotor Lock and Retry Protection1kHz to 100kHz PWM Input Range
Direction Input
2.6s Soft-Start Time
Fixed 25kHz Output Switching Frequency
Output for Speed Indication (FG)
Standby Mode to Save Power
Thermal Protection and Auto-Recovery
Available in a UTQNF-8 (2mmx3mm) Package

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MP6630

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