From 05a5156e7986e9d96aa20be791d18d455f4d79f5 Mon Sep 17 00:00:00 2001 From: Tomas Mudrunka Date: Wed, 17 Aug 2016 04:30:59 +0200 Subject: [PATCH] low power --- .../batteries/low-voltage-shutdown3.circuit | 141 +++++++++--------- 1 file changed, 71 insertions(+), 70 deletions(-) diff --git a/electronics/batteries/low-voltage-shutdown3.circuit b/electronics/batteries/low-voltage-shutdown3.circuit index e2d1fab..4db3e20 100644 --- a/electronics/batteries/low-voltage-shutdown3.circuit +++ b/electronics/batteries/low-voltage-shutdown3.circuit @@ -1,73 +1,74 @@ $ 1 5.0E-6 10.20027730826997 50 5.0 50 -a 560 352 480 352 1 15.0 -15.0 1000000.0 -r 480 352 432 352 0 10000.0 -t 432 352 400 352 0 1 0.601184086398944 0.6160027948929502 100.0 -v 560 432 560 368 0 0 40.0 2.5 0.0 0.0 0.5 -w 400 368 400 432 0 -w 400 432 480 432 0 -w 480 432 560 432 0 -w 560 336 608 336 0 -f 400 256 464 256 1 1.5 -x 439 408 512 414 0 24 TL431 -x 286 420 323 426 0 24 ON -x 627 426 674 432 0 24 OFF -w 464 176 400 176 0 -w 400 176 336 176 0 -w 336 176 208 176 0 -172 208 176 144 176 0 6 11.0 35.0 -5.0 0.0 0.5 input voltage -x 159 30 625 36 0 24 Low voltage cutoff (5-36V) using TL431 -x 489 254 611 260 0 24 P-MOSFET -x 158 81 557 85 0 16 + Built-in switch buttons and optional indicator LED -x 708 327 725 330 0 10 50k -x 709 341 753 344 0 10 multiturn -x 454 228 461 231 0 10 S -x 458 287 466 290 0 10 D -w 464 272 656 272 0 -w 784 272 864 272 0 -w 464 240 464 176 0 -w 400 432 336 432 0 -d 384 368 384 336 1 0.805904783 -w 384 336 400 336 0 -w 384 368 400 368 0 -x 159 99 785 103 0 16 + Short circuit protection (short circuit causes voltage drop that triggers cutoff) -x 159 117 679 121 0 16 + Reverse voltage protection (unless you use MOSFET with diode!) -w 704 272 784 272 0 -w 656 272 672 272 0 -174 720 176 656 176 0 500000.0 0.49010000000000004 reconnect hysteresis -w 688 192 688 224 0 -x 676 159 699 162 0 10 500k -x 709 159 873 163 0 16 reconnect hysteresis -x 708 359 755 363 0 16 cutoff -w 720 176 720 256 0 -w 688 224 688 256 0 -w 624 176 480 176 0 -x 750 181 823 185 0 16 (optional) -x 164 487 836 491 0 16 If you want automatic reconnect with hysteresis, just add another pot across MOSFET -x 163 507 894 511 0 16 and connect cutoff pot to it's wiper instead of + rail (as illustrated). This overrides OFF switch. -x 158 134 670 138 0 16 + Possibility to add automatic reconnect with hysteresis if needed -x 158 63 836 67 0 16 + Only 6 components for basic setup!!! (without OFF button, LED and auto reconnect) -r 400 256 400 176 0 5000.0 -w 400 336 400 304 0 -w 400 304 400 256 0 -w 672 272 688 272 0 -w 688 272 704 272 0 -w 656 176 624 176 0 -w 400 304 336 304 0 -r 608 336 656 336 0 3600.0 -174 688 320 656 352 0 50000.0 0.401 cutoff voltage -w 688 320 688 272 0 -w 688 352 688 432 0 -s 608 336 608 432 0 1 true -w 688 432 608 432 0 -w 608 432 560 432 0 -r 784 272 784 352 0 3600.0 -162 784 352 784 432 1 2.1024259 1.0 0.0 0.0 -w 784 432 864 432 0 -w 784 432 688 432 0 -w 336 432 208 432 0 -g 208 432 160 432 0 -s 336 336 336 432 0 1 true -w 336 304 336 336 0 +a 544 368 464 368 1 15.0 -15.0 1000000.0 +r 464 368 416 368 0 10000.0 +t 416 368 384 368 0 1 0.6011250698599145 0.617528967699439 100.0 +v 544 448 544 384 0 0 40.0 2.5 0.0 0.0 0.5 +w 384 384 384 448 0 +w 384 448 464 448 0 +w 464 448 544 448 0 +w 544 352 592 352 0 +f 384 272 448 272 1 1.5 +x 423 424 496 430 0 24 TL431 +x 270 436 307 442 0 24 ON +x 611 442 658 448 0 24 OFF +w 448 192 384 192 0 +w 384 192 320 192 0 +w 320 192 192 192 0 +172 192 192 128 192 0 6 12.600000000000001 35.0 -5.0 0.0 0.5 input voltage +x 143 46 609 52 0 24 Low voltage cutoff (5-36V) using TL431 +x 473 270 595 276 0 24 P-MOSFET +x 142 97 541 101 0 16 + Built-in switch buttons and optional indicator LED +x 692 343 709 346 0 10 50k +x 693 357 737 360 0 10 multiturn +x 438 244 445 247 0 10 S +x 442 303 450 306 0 10 D +w 448 288 640 288 0 +w 768 288 848 288 0 +w 448 256 448 192 0 +w 384 448 320 448 0 +d 368 384 368 352 1 0.805904783 +w 368 352 384 352 0 +w 368 384 384 384 0 +x 143 115 769 119 0 16 + Short circuit protection (short circuit causes voltage drop that triggers cutoff) +x 143 133 663 137 0 16 + Reverse voltage protection (unless you use MOSFET with diode!) +w 688 288 768 288 0 +w 640 288 656 288 0 +174 704 192 640 192 0 500000.0 0.49010000000000004 reconnect hysteresis +w 672 208 672 240 0 +x 660 175 683 178 0 10 500k +x 693 175 857 179 0 16 reconnect hysteresis +x 692 375 739 379 0 16 cutoff +w 704 192 704 272 0 +w 672 240 672 272 0 +w 608 192 464 192 0 +x 734 197 807 201 0 16 (optional) +x 148 503 820 507 0 16 If you want automatic reconnect with hysteresis, just add another pot across MOSFET +x 147 523 878 527 0 16 and connect cutoff pot to it's wiper instead of + rail (as illustrated). This overrides OFF switch. +x 142 150 654 154 0 16 + Possibility to add automatic reconnect with hysteresis if needed +x 142 79 820 83 0 16 + Only 6 components for basic setup!!! (without OFF button, LED and auto reconnect) +r 384 272 384 192 0 5000.0 +w 384 352 384 320 0 +w 384 320 384 272 0 +w 656 288 672 288 0 +w 672 288 688 288 0 +w 640 192 608 192 0 +w 384 320 320 320 0 +r 592 352 640 352 0 3600.0 +174 672 336 640 368 0 50000.0 0.401 cutoff voltage +w 672 336 672 288 0 +w 672 368 672 448 0 +s 592 352 592 448 0 1 true +w 672 448 592 448 0 +w 592 448 544 448 0 +r 768 288 768 368 0 3600.0 +162 768 368 768 448 1 2.1024259 1.0 0.0 0.0 +w 768 448 848 448 0 +w 768 448 672 448 0 +w 320 448 192 448 0 +g 192 448 144 448 0 +s 320 352 320 448 0 1 true +w 320 320 320 352 0 +x 148 542 865 546 0 16 By using low-power LMV413 instead of TL431 you can use 80k series resistor instead of 5k. o 14 64 0 289 10.0 0.0125 0 -1 -o 8 64 0 35 0.15625 0.003125 1 -1 +o 8 64 0 35 0.15625 0.00625 1 -1 o 7 64 0 35 10.0 9.765625E-5 2 -1 -- 2.30.2