Fan drive circuit

Example of fan motor drive circuit

Fun drive circuit

Lineup

Three-phase brushless DC motor driver IC

Part number TC78B025FTG TC78B027FTG TC78B009FTG

Operation voltage [V]

4.5 to 16

5 to 16

5.5 to 27

Drive type

Sine wave PWM drive PWM drive
Others 1 hole element input position detection Sensorless
Closed loop speed control function, configurable speed curve
Standby mode
Soft start
Built-in driver (3.5 A (Max)) Built-in pre driver for N-ch MOSFET drive
Package P-VQFN24-0404-002 P-VQFN24-0404-003 P-WQFN36-0505-0.50-001

Semi-power MOSFET

Part number

SSM6K341NU

SSM3K341R

Package

UDFN6B

SOT-23F

VDSS [V]

60

60

ID [A]

6

6
RDS(ON) [mΩ] @VGS = 4.5 V 

Typ.

36

36

Max

51

51
Polarity N-ch N-ch

Contacts

Technical inquiry

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Frequently Asked Questions

FAQs
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