參數(shù)資料
型號: THMC40SOPD
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: VARIABLE SPEED 12-VDC BRUSHLESS FAN MOTOR DRIVERS
中文描述: 變速12伏直流無刷風(fēng)扇電機驅(qū)動器
文件頁數(shù): 14/17頁
文件大小: 238K
代理商: THMC40SOPD
THMC40, THMC41
VARIABLE SPEED 12-VDC BRUSHLESS FAN MOTOR DRIVERS
SLIS097 – MARCH 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
COSC
TACH
CP
VPWR
VOUT
NC
PGND
VPWM
H+
H–
PHA
PHB
AGND
NC
THMC40D
MOTOR
LO
R1
100 k
L2
L1
HALL
SENSOR
1
2
3
4
5
6
7
14
12
13
11
10
9
8
0.1
μ
F
C5
10
μ
F
16 V
GND
Speed Control Input
2200 pF
2
4
3
1
0.1
μ
F
TACH
+12 V
CR1
1N4002
R2
3.01 k
C4
0.1
μ
F
NOTE: Traces in bold handle highest current.
+
C3
C2
C1
Full Speed Option
Sleep State Option
Optional resistors control fan operation with open speed control input.
An analog ground trace should be connected close to the ground connection of C4 and C5.
1 – 10 M
1 – 10 M
Figure 10. THMC40 Application Schematic
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