参数资料
型号: TC648VOA
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, PDSO8
封装: 0.150 INCH, PLASTIC, SOIC-8
文件页数: 5/28页
文件大小: 602K
代理商: TC648VOA
2002 Microchip Technology Inc.
DS21448C-page 13
TC648
FIGURE 5-6:
Output Drive Transistor Circuit Topologies.
TABLE 5-1:
TRANSISTORS AND MOSFETS FOR Q1 (VDD = 5V)
Device
Package
Max. VBE(sat)/VGS
(V)
Min. HFE
VCEO/VDS
(V)
Fan Current
(mA)
Suggested
RBASE ()
MMBT2222A
SOT-23
1.2
50
40
150
MPS2222A
TO-92
1.2
50
40
150
800
MPS6602
TO-92
1.2
50
40
500
301
SI2302
SOT-23
2.5
NA
20
500
Note 1
MGSF1N02E
SOT-23
2.5
NA
20
500
Note 1
SI4410
SO-8
4.5
NA
30
1000
Note 1
SI2308
SOT-23
4.5
NA
60
500
Note 1
Note 1: A series gate resistor may be used in order to control the MOSFET turn-on and turn-off times.
Q1
Q2
GND
VDD
RBASE
VOUT
Fan
a) Single Bipolar Transistor
Q1
GND
VDD
VOUT
C) N-Channel MOSFET
GND
VDD
RBASE
Fan
b) Darlington Transistor Pair
Fan
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