Fan drive circuit

Example of a small size motor driving circuit for fan using MOSFETs

Fan drive circuit

Lineup

Small signal MOSFET

Part number

SSM3K333R

SSM3K335R

SSM3J332R

SSM3J334R

SSM6P39TU

SSM3K35AFS

Package

SOT-23F

UF6

SSM

VDSS [V]

30

30

-30

-30

-20

20

I[A]

6

6

-6

-4

-1.5

0.25

RDS(ON) (Max)  [Ω]

@| VGS | = 4.5 V

0.042

0.056

0.05

0.105

0.213 [Note]

1.1

Polarity

N-ch P-ch

P-ch x 2

N-ch

[Note] @| VGS | = 4 V

Stepping motor & Brushed DC motor driver IC

Part Number

TC78H621FNG

TC78H660FNG

VM [V]

18

20

IOUT [A]

1.1

2.0

Ron(upper and lower sum) (Typ.) [Ω]

0.8

0.48
Control Interface

ENABLE / PHASE inputs

ENABLE / PHASE inputs

Step

Full, Half step resolution
Feature Motor driving voltage: 2.5 V (Min) Motor driving voltage: 2.5 V (Min)
Abnormality detection function Over heat, Over current, Low voltage Over heat, Over current, Low voltage
Package TSSOP16 TSSOP16

Single-phase brushless DC motor driver IC

Part Number TC78B002FNG TC78B002FTG

VM [V]

18

IOUT [A]

1.5

Drive type

Single phase full wave drive
Features

PWM control

Soft switching drive

Quick start

Hall bias circuit

Error detection: Current limit, Thermal shutdown

Package SSOP16 WQFN16

MCU TXZ+TM3A Series M3H Group

Series Group Function
TXZ+™3A Series M3H Group

Arm® Cortex®-M3, 120 MHz operation,

2.7 to 5.5 V

Contacts

Technical inquiry

Contact us

Contact us

Frequently Asked Questions

FAQs

* TXZ+™ is a trademark of Toshiba Electronic Devices & Storage Corporation.
* Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
* Other company names, product names, and service names may be trademarks of their respective companies.

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