ML4411CS View Datasheet(PDF) - Micro Linear Corporation

Part Name

Description

Manufacturer

ML4411CS

Sensorless Spindle Motor Controller

Micro Linear Corporation 

HIGHER VOLTAGE MOTOR DRIVE

To drive a higher voltage motor, the same precautions

regarding ML4411 voltage limitations as were outlined for

Unipolar drive above should be followed. Figures 14–16

provide several methods of translating the ML4411‘s P

outputs to drive a higher voltage.

+V

Q1

Q3

ML4411 P

+12V

Figure 18. High Voltage Translation using PNP Power

Transistor

ML4411/ML4411A

+V

Q2

Q1

Q3

ML4411 P

+12V

Figure 19. High Voltage Translation using “Composite”

PNP Power Transistor

+V

ML4411 P

Q2

Q1

Q3

Figure 20. High Voltage Translation with NPN

Darlington

13

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