Path: ...!weretis.net!feeder9.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail From: "Edward Rawde" Newsgroups: sci.electronics.design Subject: Re: P-channel MOSFET model Date: Wed, 8 May 2024 21:21:10 -0400 Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com) Lines: 306 Message-ID: References: Injection-Date: Thu, 9 May 2024 01:21:12 -0000 (UTC) Injection-Info: nnrp.usenet.blueworldhosting.com; logging-data="47946"; mail-complaints-to="usenet@blueworldhosting.com" Cancel-Lock: sha1:GFtGgADOUlLJJos6hhFm6YZlUvk= sha256:gGIOQRh8NaErUjVgb359PElsT7q/B2CS1vjAKB0menw= sha1:VphMkBuWgchkI/MWbg1X0RZcKBo= sha256:AvMza70EGwLGY/gi7R0k6tSFWNwgTT6UmAjoEamI1vM= X-RFC2646: Format=Flowed; Response X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-Priority: 3 Bytes: 9120 "Bill Sloman" wrote in message news:v1g1lq$kb1$1@dont-email.me... > On 8/05/2024 10:03 pm, piglet wrote: >> On 06/05/2024 06:58, Edward Rawde wrote: >>> "John Larkin" wrote in message >>> news:aesf3j1po3glh1c23se3lofoni6j7ol75m@4ax.com... >>>> On Sun, 5 May 2024 14:42:30 -0400, "Edward Rawde" >>>> wrote: >>>>> "Edward Rawde" wrote in message >>>>> news:v16s2i$2uv4$1@nnrp.usenet.blueworldhosting.com... >>>>>> Does anyone know of a P-channel MOSFET, roughly equivalent to > > > > Cutting and pasting piglet's .asc file into my version of LTSpice gave a > circuit that didn't do anything useful. M1 turns off after 2.67usec., and > that's it. It works for me but I'd like something more efficient if possible. My own latest creation does 5V 1A from 8V to 15V input but at 16V input it stops and produces 16V so I'm not sure I'd trust this circuit in reality. There is a character encoding issue which may affect the u symbol for capacitors and inductors. And line wraps may also need fixing. Version 4 SHEET 1 2820 680 WIRE 1200 -112 240 -112 WIRE 208 -48 176 -48 WIRE 240 -48 240 -112 WIRE 240 -48 208 -48 WIRE 288 -48 240 -48 WIRE 368 -48 288 -48 WIRE 672 -48 368 -48 WIRE 800 -48 768 -48 WIRE 816 -48 800 -48 WIRE 864 -48 816 -48 WIRE 992 -48 944 -48 WIRE 1088 -48 992 -48 WIRE 1408 -48 1088 -48 WIRE 1504 -48 1408 -48 WIRE 1680 -48 1504 -48 WIRE 1200 -32 1200 -112 WIRE 368 0 368 -48 WIRE 384 0 368 0 WIRE 480 0 448 0 WIRE 560 0 544 0 WIRE 992 16 992 -48 WIRE 176 32 176 -48 WIRE 688 32 688 0 WIRE 1200 64 1200 48 WIRE 1312 64 1200 64 WIRE 288 80 288 -48 WIRE 816 80 816 -48 WIRE 1312 80 1312 64 WIRE 1408 80 1408 -48 WIRE 1504 80 1504 -48 WIRE 384 96 368 96 WIRE 480 96 448 96 WIRE 560 96 560 0 WIRE 560 96 544 96 WIRE 1072 112 1040 112 WIRE 1120 112 1072 112 WIRE 1184 112 1120 112 WIRE 1200 112 1200 64 WIRE 1200 112 1184 112 WIRE 1680 112 1680 -48 WIRE 1184 160 1184 112 WIRE 1200 160 1200 112 WIRE 176 176 176 112 WIRE 1264 176 1232 176 WIRE 1312 176 1312 160 WIRE 1312 176 1264 176 WIRE 368 192 368 96 WIRE 384 192 368 192 WIRE 480 192 448 192 WIRE 576 192 544 192 WIRE 592 192 576 192 WIRE 672 192 656 192 WIRE 688 192 688 112 WIRE 688 192 672 192 WIRE 720 192 688 192 WIRE 736 192 720 192 WIRE 928 192 800 192 WIRE 1168 192 928 192 WIRE 1040 208 1040 112 WIRE 1120 208 1120 112 WIRE 1264 208 1232 208 WIRE 1408 208 1408 160 WIRE 1408 208 1264 208 WIRE 1504 208 1504 160 WIRE 1504 208 1408 208 WIRE 576 224 576 192 WIRE 672 224 672 192 WIRE 1312 224 1312 176 WIRE 1408 224 1408 208 WIRE 176 336 176 256 WIRE 288 336 288 144 WIRE 288 336 176 336 WIRE 576 336 576 304 WIRE 576 336 288 336 WIRE 672 336 672 304 WIRE 672 336 576 336 WIRE 816 336 816 144 WIRE 816 336 672 336 WIRE 992 336 992 80 WIRE 992 336 816 336 WIRE 1040 336 1040 272 WIRE 1040 336 992 336 WIRE 1120 336 1120 272 WIRE 1120 336 1040 336 WIRE 1184 336 1184 224 WIRE 1184 336 1120 336 WIRE 1200 336 1200 224 WIRE 1200 336 1184 336 WIRE 1216 336 1216 224 WIRE 1216 336 1200 336 WIRE 1312 336 1312 304 WIRE 1312 336 1216 336 WIRE 1408 336 1408 304 WIRE 1408 336 1312 336 WIRE 1680 336 1680 192 WIRE 1680 336 1408 336 WIRE 176 352 176 336 FLAG 176 352 0 FLAG 208 -48 in FLAG 720 192 gate FLAG 1264 176 cmp- FLAG 1264 208 cmp+ FLAG 928 192 cmpout FLAG 1072 112 cmp5v FLAG 1088 -48 out FLAG 800 -48 sw SYMBOL Comparators\\LT1719 1200 128 M0 WINDOW 0 27 27 Left 2 WINDOW 3 -92 6 Left 2 SYMATTR InstName U1 SYMBOL res 1328 208 M0 WINDOW 0 -35 36 Left 2 WINDOW 3 -49 70 Left 2 SYMATTR InstName R2 SYMATTR Value 10K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL ind 960 -64 R90 WINDOW 0 63 51 VBottom 2 WINDOW 3 -27 53 VTop 2 SYMATTR InstName L1 SYMATTR Value 100µ SYMATTR SpiceLine Ipk=1.3 Rser=0.15 Rpar=0 Cpar=0 mfg="Murata" pn="MDH10060C-101MA=P3" SYMBOL res 1664 96 R0 WINDOW 0 40 39 Left 2 WINDOW 3 39 70 Left 2 SYMATTR InstName R4 SYMATTR Value 5 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 1424 64 M0 WINDOW 0 -38 43 Left 2 WINDOW 3 -48 70 Left 2 SYMATTR InstName R3 SYMATTR Value 10K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL schottky 832 144 R180 WINDOW 0 42 31 Left 2 WINDOW 3 -123 30 Left 2 SYMATTR InstName D2 SYMATTR Value MBRS130L SYMATTR Description Diode SYMATTR Type diode SYMBOL pmos 768 0 M270 WINDOW 0 25 128 VLeft 2 WINDOW 3 69 92 VLeft 2 SYMATTR InstName M1 SYMATTR Value AO6407 SYMBOL voltage 176 160 R0 WINDOW 0 11 100 Left 2 WINDOW 3 38 54 Left 2 WINDOW 123 0 0 Left 0 ========== REMAINDER OF ARTICLE TRUNCATED ==========