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參數(shù)資料
| 型號(hào)： | TC648VOA |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 24/28頁 |
| 文件大?。?/td> | 602K |
| 代理商： | TC648VOA |
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2002 Microchip Technology Inc.
DS21448C-page 5
TC648
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
2.1
Analog Input (VIN)
The thermistor network (or other temperature sensor)
connects to the VIN input. A voltage range of 1.25V to
2.65V (typical) on this pin drives an active duty cycle of
0% to 100% on the VOUT pin (see Section 5.0, “Typical
Applications”, for more details).
2.2
Analog Output (CF)
CF is the positive terminal for the PWM ramp generator
timing capacitor. The recommended CF is 1 F for
30 Hz PWM operation.
2.3
Analog Input (VAS)
An external resistor divider connected to the VAS input
sets the auto-shutdown threshold. Auto-shutdown
occurs when VIN ≤ VAS. During shutdown, supply
current falls to 25 A (typical). The fan is automatically
restarted when VIN ≥ (VAS +VHAS) (see Section 5.0,
“Typical Applications” for more details).
2.4
Ground (GND)
GND denotes the ground Terminal.
2.5
No Connect
No internal connection.
2.6
Digital Output (OTF)
OTF goes low to indicate an over-temperature
condition. This occurs when the voltage at VIN > VOTF
(see Section 1.0, "Electrical Characteristics"). An over-
temperature indication is a non-latching condition.
2.7
VOUT is an active high complimentary output that drives
the base of an external NPN transistor (via an appropri-
ate base resistor) or the gate of an N-channel MOS-
FET. This output has asymmetrical drive (see
Section 1.0, “Electrical Characteristics”).
2.8
Power Supply Input (VDD)
VDD may be independent of the fan’s power supply
(see Section 1.0, “Electrical Characteristics”).
Pin No.
Symbol
Description
1VIN
Analog Input
2CF
Analog Output
3VAS
Analog Input
4
GND
Ground Terminal
5
NC
No Internal Connection
6OTF
Digital (Open Collector) Output
7VOUT
Digital Output
8VDD
Power Supply Input
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC648VOA | 制造商:Microchip Technology Inc 功能描述:Fan Management Controller IC Package/Cas |
| TC648VOA713 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Shtdn & Over-T Alert 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 |
| TC648VPA | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Shtdn & Over-T Alert 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 |
| TC648VPA | 制造商:Microchip Technology Inc 功能描述:Fan Management Controller IC |
| TC648VUA | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Shtdn & Over-T Alert 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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