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參數(shù)資料
| 型號： | 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)： | 9/12頁 |
| 文件大小： | 76K |
| 代理商： | MIC5014-1 |
MIC5014/5015
Micrel
1997
9
MIC5014/5015
High Side Driver With Load Protection
(Figure 12) Al-
though the MIC5014/15 devices are reverse battery pro-
tected, the load and power FET are not, in a typical high side
configuration. In the event of a reverse battery condition, the
internal body diode of the power FET will be forward biased.
This allows the reversed supply access to the load.
Push-Pull Driver With No Cross-Conduction
(Figure 13)
As the turn-off time of the MIC5014/15 devices is much faster
than the turn-on time, a simple push-pull driver with no cross
conduction can be made using one MIC5014 and one
MIC5015. The same control signal is applied to both inputs;
the MIC5014 turns on with the positive signal, and the
MIC5015 turns on when it swings low.
This scheme works with no additional components as the
relative time difference between the rise and fall times of the
MIC5014 is large. However, this does mean that there is
Figure 13: Push-Pull Driver
The addition of a Schottky diode between the supply and the
FET eliminates this problem. The MBR2035CT was chosen
as it can withstand 20A continuous and 150A peak,
and should survive the rigors of an automotive environment.
The two diodes are paralleled to reduce switch loss (forward
voltage drop).
Figure 12: High Side Driver WIth Load Protection
considerable deadtime (time when neither driver is turned on).
If this circuit is used to drive an inductive load, catch diodes
must be used on each half to provide an alternate path for the
kickback current that will flow during this deadtime.
This circuit is also a simple half H-bridge which can be driven
with a PWM signal on the input for SMPS or motor drive
applications in which high switching frequencies are not
desired.
L
MIC5014
Control Input
ON
OFF
1
2
3
4
8
7
6
5
IRF540
12V
NC
Gate
Gnd
Source
Input
V+
NC
NC
10μF
MBR2035CT
MIC5014
Control Input
1
2
3
4
8
7
6
5
IRFZ40
12V
NC
Gate
Gnd
Source
Input
V+
NC
NC
10μF
MIC5015
1
2
3
4
8
7
6
5
NC
Gate
Gnd
Source
Input
V+
NC
NC
12V
IRFZ40
V
OUT
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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