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參數(shù)資料
| 型號： | TC642DEMO |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | PWM Fan Speed Controller with FanSense⑩ Technology |
| 中文描述： | 與FanSense PWM風扇速度控制器⑩技術 |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 485K |
| 代理商： | TC642DEMO |
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TC642
DS21444C-page 14
2002 Microchip Technology Inc.
TABLE 5-2:
TRANSISTORS AND MOSFETS FOR Q
1
(V
DD
= 5V)
Max. V
BE(sat)
/V
GS
(V)
5.6
Latch-up Considerations
As with any CMOS IC, the potential exists for latch-up
if signals are applied to the device which are outside
the power supply range. This is of particular concern
during power-up if the external circuitry (such as the
sensor network, V
MIN
divider or shutdown circuit) is
powered by a supply different from that of the TC642.
Care should be taken to ensure that the TC642’s V
DD
supply powers up first. If possible, the networks
attached to V
IN
and V
MIN
should connect to the V
DD
supply at the same physical location as the IC itself.
Even if the IC and any external networks are powered
by the same supply, physical separation of the
connecting points can result in enough parasitic
capacitance and/or inductance in the power supply
connections to delay one power supply “routing” versus
another.
Device
Package
Min. H
FE
V
CEO
/V
DS
(V)
Fan Current
(mA)
Suggested
R
BASE
(
)
800
800
301
Note 1
Note 1
Note 1
Note 1
MMBT2222A
MPS2222A
MPS6602
SI2302
MGSF1N02E
SI4410
SI2308
Note 1:
A series gate resistor may be used in order to control the MOSFET turn-on and turn-off times.
SOT-23
TO-92
TO-92
SOT-23
SOT-23
SO-8
SOT-23
1.2
1.2
1.2
2.5
2.5
4.5
4.5
50
50
50
NA
NA
NA
NA
40
40
40
20
20
30
60
150
150
500
500
500
1000
500
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| TC642 | PWM Fan Speed Controller with FanSense⑩ Technology |
| TC642EV | PWM Fan Speed Controller with FanSense⑩ Technology |
| TC654EUN | Dual SMBus⑩ PWM Fan Speed Controllers With Fan Fault Detection |
| TC655EUN | Dual SMBus⑩ PWM Fan Speed Controllers With Fan Fault Detection |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TC642DEMO | 制造商:Microchip Technology Inc 功能描述:Tools Development kit For Use |
| TC642EOA | 功能描述:馬達/運動/點火控制器和驅動器 w/Fault 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TC642EOA713 | 功能描述:馬達/運動/點火控制器和驅動器 w/Fault 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TC642EPA | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controller with FanSense⑩ Technology |
| TC642EUA | 功能描述:馬達/運動/點火控制器和驅動器 w/Fault 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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