THMC45 Datasheet, PDF (12/16 Pages) Texas Instruments – 5-V AND 3.3-V DC BRUSHLESS FAN MOTOR DRIVER WITH SINGLE WIRE CONTOL

THMC45
5ĆV AND 3.3ĆV DC BRUSHLESS FAN MOTOR DRIVER
WITH SINGLE WIRE CONTROL
SLIS101A − MAY 2001
APPLICATION INFORMATION
GND
+ 5V
PWM
INPUT
TACH
C1 ₊
1 µF
10 V
1 _VPWR
8
PWM
2
OUTA
7
H−
THMC45
3
6
OUTB
H+
4
GND
5
TACH
R1
1.3 kΩ
A
D
Hall
B
Sensor
C
Bipolar Wound
Motor
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
12
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