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參數(shù)資料
| 型號(hào)： | MIC5014-1 |
| 廠商： | Micrel Semiconductor,Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:8; Series:; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:12-8 RoHS Compliant: No |
| 中文描述： | 低成本，高或低側(cè)MOSFET驅(qū)動(dòng)器最后的信息 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 76K |
| 代理商： | MIC5014-1 |
MIC5014/5015
Micrel
1997
7
MIC5014/5015
Typical Applications
Variable Supply Low Side Driver for Motor Speed Control
(Figure 6) The internal regulation in the MIC5014/15 allows
a steady gate enhancement to be supplied while the
MIC5014/15 supply varies from 5V to 30V, without damaging
the internal gate to source zener clamp. This allows the speed
of the DC motor shown to be varied by varying the supply
voltage.
Figure 6: DC Motor Speed Control/Driver
Solenoid Valve Driver
(Figure 7) High power solenoid valves
are used in many industrial applications requiring the timed
dispensing of chemicals or gases. When the solenoid is
activated, the valve opens (or closes), releasing (or stopping)
fluid flow. A solenoid valve, like all inductive loads, has a
considerable
“
kickback
”
voltage when turned off, as current
cannot change instantaneously through an inductor. In most
applications, it is acceptable to allow this voltage to momen-
tarily turn the MOSFET back on as a way of dissipating the
inductor
’
s current. However, if this occurs when driving a
solenoid valve with a fast switching speed, chemicals or
gases may be inadvertantly be dispensed at the wrong time
with possibly disasterous consequences. Also, too large of
a kickback voltage (as is found in larger solenoids) can
damage the MIC5014 or the power FET by forcing the Source
node below ground (the MIC5014 can be driven up to 20V
below ground before this happens). A catch diode has been
included in this design to provide an alternate route for the
inductive kickback current to flow. The 5k
resistor in series
with this diode has been included to set the recovery time of
the solenoid valve.
Figure 7: Solenoid Valve Driver
MIC5014
OFF
ON
1
2
3
4
8
7
6
5
IRF540
V
CC
= +5V to +30V
NC
Gate
Gnd
Source
Input
V+
NC
NC
M
MIC5015
ON
OFF
1
2
3
4
8
7
6
5
IRFZ40
24V
NC
Gate
Gnd
Source
Input
V+
NC
NC
5k
1N4005
ASCO
8320A
Solenoid
Figure 5. High Side Driver with Delayed Overcurrent Shutdown
L
MIC5014
1
2
3
4
8
7
6
5
NC
Gate
Gnd
Source
Input
V+
NC
NC
10μF
R4
1k
R
0.06
12V
On
R1
1k
R2
120k
LM301A
2.2k
0.01μF
LM3905N
1
2
3
4
8
7
6
5
Logic
V+
Gnd
R/C
V
REF
Trigger
Emit
Coll
12V
1000pF
1k
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC5014BM | FPGA 1000000 SYSTEM GATE 1.8 VOLT - NOT RECOMMENDED for NEW DESIGN |
| MIC5014BN | FPGA 1000000 SYSTEM GATE 1.8 VOLT - NOT RECOMMENDED for NEW DESIGN |
| MIC5015BM | Low-Cost High- or Low-Side MOSFET Driver Final Information |
| MIC5015BN | Low-Cost High- or Low-Side MOSFET Driver Final Information |
| MIC5014 | Low-Cost High- or Low-Side MOSFET Driver(低成本 高/低邊MOS場(chǎng)效應(yīng)管驅(qū)動(dòng)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5014BM | 功能描述:IC DRIVER MOSF HI/LO SIDE 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 外部開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:高端 輸入類型:非反相 延遲時(shí)間:200ns 電流 - 峰:250mA 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導(dǎo)啟動(dòng)）:600V 電源電壓:12 V ~ 20 V 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-DIP 包裝:管件 其它名稱:*IR2127 |
| MIC5014BM TR | 功能描述:IC DRIVER MOSF HI/LO SIDE 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 外部開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:高端 輸入類型:非反相 延遲時(shí)間:200ns 電流 - 峰:250mA 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導(dǎo)啟動(dòng)）:600V 電源電壓:12 V ~ 20 V 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-DIP 包裝:管件 其它名稱:*IR2127 |
| MIC5014BN | 功能描述:IC DRIVER MOSFET HI/LO SIDE 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 外部開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:高端 輸入類型:非反相 延遲時(shí)間:200ns 電流 - 峰:250mA 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導(dǎo)啟動(dòng)）:600V 電源電壓:12 V ~ 20 V 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-DIP 包裝:管件 其它名稱:*IR2127 |
| MIC5014YM | 功能描述:功率驅(qū)動(dòng)器IC Low Cost 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(shí)間: 下降時(shí)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 |
| MIC5014YM TR | 功能描述:功率驅(qū)動(dòng)器IC Low Cost 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(shí)間: 下降時(shí)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 |
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