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參數(shù)資料
| 型號： | TC647 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | PWM Fan Speed Controller with FanSense Technology |
| 中文描述： | 與FanSense PWM風(fēng)扇速度控制器技術(shù) |
| 文件頁數(shù)： | 9/28頁 |
| 文件大?。?/td> | 478K |
| 代理商： | TC647 |
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2002 Microchip Technology Inc.
DS21447C-page 9
TC647
5.0
TYPICAL APPLICATIONS
Designing with the TC647 involves the following:
(1) The temp sensor network must be configured to
deliver 1.25V to 2.65V on V
IN
for 0% to 100% of
the temperature range to be regulated.
(2) The minimum fan speed (V
MIN
) must be set.
(3) The output drive transistor and associated circuitry
must be selected.
(4) The SENSE network, R
SENSE
and C
SENSE
, must
be designed for maximum efficiency while
delivering adequate signal amplitude.
(5) If shutdown capability is desired, the drive require-
ments of the external signal or circuit must be
considered.
The TC642 demonstration and prototyping board
(TC642DEMO) and the TC642 Evaluation Kit
(TC642EV) provide working examples of TC647 cir-
cuits and prototyping aids. The TC642DEMO is a
printed circuit board optimized for small size and ease
of inclusion into system prototypes. The TC642EV is a
larger board intended for benchtop development and
analysis. At the very least, anyone contemplating a
design using the TC647 should consult the documen-
tation for both TC642EV and (DS21403) and
TC642DEMO (DS21401). Figure 5-1 shows the base
schematic for the TC642DEMO.
FIGURE 5-1:
Typical Application Circuit.
FAULT
SENSE
NTC
R1
R2
R3
R4
GND
Fan Fault
Shutdown
Shutdown
(Optional)
Note:
*See cautions regarding latch-up considerations in Section 5.0, "Typical Applications".
Q1
+12V
+5V*
V
DD
V
IN
V
MIN
VOUT
R
BASE
R
SENSE
C
SENSE
C
F
1 μF
C
F
TC647
Fan
1
8
6
7
5
4
2
3
CB
1 μF
CB
0.01 μF
CB
0.01 μF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC647EPA | PWM Fan Speed Controller with FanSense Technology |
| TC647EUA | PWM Fan Speed Controller with FanSense Technology |
| TC648VOA | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| TC648 | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| TC648E | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC647_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controller with FanSensea?￠ Technology |
| TC647B | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense⑩ Technology for Fault Detection |
| TC647BEOA | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 w/Rstrt & Flt Dtct RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TC647BEOA713 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense⑩ Technology for Fault Detection |
| TC647BEOATR | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 w/Rstrt & Flt Dtct RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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