參數(shù)資料
型號: TC649VOART
元件分類: 運動控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, PDSO8
封裝: SOIC-8
文件頁數(shù): 6/17頁
文件大?。?/td> 119K
代理商: TC649VOART
14
TC649-2 12/05/00
TC649
PWM Fan Speed Controller with Auto-Shutdown
2001 Microchip Technology Inc.
DS21449A
Figure 12.
CMOS
MICROCONTROLLER
TC649
VIN
CF
VAS
GND
VDD
VOUT
FAULT
SENSE
+5V
ANALOG OR
DIGITAL TEMPERATURE
DATA FROM ONE
OR MORE SENSORS
I/O0
I/O1
I/O2
I/O3
INT
GND
(OPTIONAL)
(MSB)
R1
110K
R2
240K
R3
360K
(LSB)
R5
1.5K
+5V
R6
1K
R4
18K
R7
33K
+5V
R8
18K
CB
.01
F
+
1
F
CB
.01
F
CMOS
OUTPUTS
OPEN
DRAIN
OUTPUT
FAN
+12V
+5V
CB
1
F
+
R9
1.5K
+5V
R10
10K
0.1
F
2N2222A
R11
2.2
(RESET)
1
2
3
4
5
6
7
8
Figure 13.
VRELEASE vs. VDD and Temperature
V
RELEASE
(V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
°C
25
°C
85
°C
X
VDD = 3.0V
VDD = 4.0V
VDD = 5.0V
VDD = 5.5V
X
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