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參數(shù)資料
| 型號： | MIC5013BN |
| 廠商： | MICREL INC |
| 元件分類： | 功率晶體管 |
| 英文描述： | FPGA 1000000 SYSTEM GATE 1.8 VOLT - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | BUF OR INV BASED MOSFET DRIVER, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大小： | 153K |
| 代理商： | MIC5013BN |
MIC5013
Micrel
MIC5013
12
July 2000
Applications Information
(Continued)
Fault
V+
Gate
1
2
3
4
8
MIC5013
Input
Gnd
7
6
5
Thresh
Sense
Source
Fault
V+
Gate
1
2
3
4
8
MIC5013
Input
Gnd
7
6
5
Thresh
Sense
Source
IRF541
1μF
20k
Figure 11. Half-Bridge
Motor Driver
+
100
100nF
1N4001 (2)
1N5817
15V
15k
IRF541
10μF
10k
22m
CPSL-3
(Dale)
+
22m
CPSL-3
(Dale)
1nF
10k
2N3904
22k
220pF
1N4148
22k
15V
M
12V,
10A Stalled
PWM
INPUT
The top-side driver is based on the bootstrapped circuit of
Figure 6, and cannot be switched on indefinitely. The
bootstrap capacitor (1
μ
F) relies on being pulled to ground
by the bottom-side output to recharge. This limits the
maximum duty cycle to slightly less than 100%.
Two of these circuits can be connected together to form an
H-bridge. If the H-bridge is used for locked antiphase
control, no special considerations are necessary. In the
case of sign/magnitude control, the
“
sign
”
leg of the H-
bridge should be held low (PWM input held low) while the
other leg is driven by the magnitude signal.
If current feedback is required for torque control, it is
available in chopped form at the bottom-side driver's 22 m
current-sensing resistor.
Time-Delay Relay
(Figure 12). The MIC5013 forms the
basis of a simple time-delay relay. As shown, the delay
commences when power is applied, but the 100 k
/1N4148
could be independently driven from an external source such
as a switch or another high-side driver to give a delay
relative to some other event in the system.
Hysteresis has been added to guarantee clean switching at
turn-on. Note that an over-current condition latches the
relay in a safe, OFF condition. Operation is restored by
either cycling power or by momentarily shorting pin 1 to
ground.
Motor Driver with Stall Shutdown
(Figure 13). Tachom-
eter feedback can be used to shut down a motor driver
circuit when a stall condition occurs. The control switch is a
3-way type; the
“
START
”
position is momentary and forces
the driver ON. When released, the switch returns to the
“
RUN
”
position, and the tachometer
’
s output is used to hold
the MIC5013 input ON. If the motor slows down, the tach
output is reduced, and the MIC5013 switches OFF. Resis-
tor
“
R
”
sets the shutdown threshold. If the output current
exceeds 30A, the MIC5013 shuts down and remains in that
condition until the momentary
“
RESET
”
button is pushed.
Control is then returned to the START/RUN/STOP switch.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC5020 | Replaced by PTN78060W : |
| MIC5020BM | Replaced by PTN78060W : |
| MIC5020BN | Replaced by PTN78060W : |
| MIC5021 | Replaced by PTN78060W : |
| MIC5021BM | Replaced by PTN78060W : |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5013YM | 功能描述:功率驅(qū)動器IC High Side MOSFET Predriver - Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MIC5013YM TR | 功能描述:功率驅(qū)動器IC High Side MOSFET Predriver - Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MIC5013YN | 功能描述:功率驅(qū)動器IC High Side MOSFET Predriver - Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MIC5014 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Low-Cost High- or Low-Side MOSFET Driver |
| MIC5014_05 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Low-Cost High- or Low-Side MOSFET Driver |
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