JPH0394085U - - Google Patents
Info
- Publication number
- JPH0394085U JPH0394085U JP172290U JP172290U JPH0394085U JP H0394085 U JPH0394085 U JP H0394085U JP 172290 U JP172290 U JP 172290U JP 172290 U JP172290 U JP 172290U JP H0394085 U JPH0394085 U JP H0394085U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection circuit
- power mosfet
- output stage
- switching noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の第１の実施例のパワーＭＯＳ
集積回路を示すブロツク図、第２図は第１図の回
路の各部動作波形を示すタイミング図、第３図は
本考案の第２の実施例のＨブリツジ回路例を示す
ブロツク図、第４図は従来のパワーＭＯＳＩＣを
示す回路ブロツクである。
１，１′……パワーＭＯＳＩＣ、２……スイツ
チングノイズ検出回路、２ａ……スイツチングノ
イズ検出端子、３……デバイス温度検出回路、４
……制御回路、５，５′……出力段パワーＭＯＳ
ＦＥＴゲートドライブ回路、６……内部信号バス
、７……過電圧保護回路、８……外部信号バス、
９……出力段パワーＭＯＳＦＥＴ、１０……外部
センサー、１１……電源、１２……負荷ソレノイ
ド、１３……ダンパーダイオード、１４……出力
段パワーＭＯＳＦＥＴドレイン電流波形、１５…
…外部センサー検出電圧、１６……スイツチング
ノイズ検出回路出力信号、１７……デバイス温度
検出回路出力信号、１８……ＭＯＳＦＥＴドライ
ブ回路のゲートバイアス信号、１９……過電流保
護回路。
Figure 1 shows the power MOS of the first embodiment of the present invention.
2 is a timing diagram showing the operating waveforms of each part of the circuit in FIG. 1; FIG. 3 is a block diagram showing an example of an H-bridge circuit according to the second embodiment of the present invention; FIG. 4 is a block diagram showing an integrated circuit; is a circuit block showing a conventional power MOSIC. 1, 1'...Power MOSIC, 2...Switching noise detection circuit, 2a...Switching noise detection terminal, 3...Device temperature detection circuit, 4
...Control circuit, 5,5'...Output stage power MOS
FET gate drive circuit, 6... Internal signal bus, 7... Overvoltage protection circuit, 8... External signal bus,
9... Output stage power MOSFET, 10... External sensor, 11... Power supply, 12... Load solenoid, 13... Damper diode, 14... Output stage power MOSFET drain current waveform, 15...
...External sensor detection voltage, 16...Switching noise detection circuit output signal, 17...Device temperature detection circuit output signal, 18...MOSFET drive circuit gate bias signal, 19...Overcurrent protection circuit.
Claims (1)
検出回路と、出力段パワーＭＯＳＦＥＴと、前記
パワーＭＯＳＦＥＴのスイツチング速度を制御す
る出力段パワーＭＯＳＦＥＴゲートドライブ回路
とを備えた検出回路と前記デバイス温度検出回路
とからの各信号と外部制御信号とを入力し、スイ
ツチングノイズを低減するように、前記ＦＥＴの
スイツチング速度を制御するようになしたことを
特徴とするパワーＭＯＳ集積回路。 A detection circuit comprising a device temperature detection circuit, a switching noise detection circuit, an output stage power MOSFET, and an output stage power MOSFET gate drive circuit that controls the switching speed of the power MOSFET, and A power MOS integrated circuit, wherein each signal and an external control signal are inputted to control the switching speed of the FET so as to reduce switching noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP172290U JPH0394085U (en) | 1990-01-12 | 1990-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP172290U JPH0394085U (en) | 1990-01-12 | 1990-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0394085U true JPH0394085U (en) | 1991-09-25 |
Family
ID=31505616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP172290U Pending JPH0394085U (en) | 1990-01-12 | 1990-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394085U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006341925A (en) * | 2005-05-10 | 2006-12-21 | Oji Nepia Kk | Sanitary tissue packaging box with superior disassembling characteristic |
| JP2009273238A (en) * | 2008-05-08 | 2009-11-19 | Omron Corp | Opening and closing object drive controller and opening and closing object drive control method |
| JP2010076789A (en) * | 2008-09-25 | 2010-04-08 | Rengo Co Ltd | Wraparound case |
| JP2015216150A (en) * | 2014-05-08 | 2015-12-03 | 日立オートモティブシステムズ株式会社 | Inductive load driving circuit |
-
1990
- 1990-01-12 JP JP172290U patent/JPH0394085U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006341925A (en) * | 2005-05-10 | 2006-12-21 | Oji Nepia Kk | Sanitary tissue packaging box with superior disassembling characteristic |
| JP2009273238A (en) * | 2008-05-08 | 2009-11-19 | Omron Corp | Opening and closing object drive controller and opening and closing object drive control method |
| JP2010076789A (en) * | 2008-09-25 | 2010-04-08 | Rengo Co Ltd | Wraparound case |
| JP2015216150A (en) * | 2014-05-08 | 2015-12-03 | 日立オートモティブシステムズ株式会社 | Inductive load driving circuit |
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