MP6510

—4.5V-TO-16V, 1.2A, SINGLE-PHASE, BRUSHLESS DC MOTOR DRIVER

MP6510 Rev.1.01

www.MonolithicPower.com

9

1/16/2018

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the capacitor again. The PWM signal resumes

switching to try to drive motor again.

If the rotor remains locked, the process

repeats.

RMI

VTH

2V

Vcosc(min)

Minimum

speed mode

Variable speed

mode

Full speed mode

Locked-rotor

protection mode

FG

Vcosc

CT

RD

VCTL(1.7V)

VCTH(3.6V)

Low level

High impedance

High impedance

Lock protection mode (Toff=5Ton)

Ton

Rotating

Vcosc(max)

3.6V

High

impedance

Toff

Figure 2: Driver Operation Mode