THMC45

5V AND 3.3V DC BRUSHLESS FAN MOTOR DRIVER

WITH SINGLE WIRE CONTROL

SLIS101A − MAY 2001

12

POST OFFICE BOX 655303

APPLICATION INFORMATION

THMC45

1

OUTA

2

OUTB

3

GND

4

8

PWM

7

H−

6

H+

5

TACH

PWM

INPUT

Hall

Sensor

D

B

C

A

R1

1.3 k

Ω

Bipolar Wound

Motor

C1

1

µF

10 V

+ 5V

GND

+

TACH

NOTES: A. Traces in bold are high current traces.

B. C1 should be placed as close as possible to terminals 1 and 4.

Figure 9. Application Schematic