From: Tomas Mudrunka Date: Wed, 9 Aug 2017 16:07:45 +0000 (+0200) Subject: low voltage shutdown X-Git-Url: http://git.harvie.cz/?p=mirrors%2FDesigns.git;a=commitdiff_plain;h=90aa58dbaeb45c3f9bfaff29d9d8dee0f582d842 low voltage shutdown --- diff --git a/electronics/batteries/low-voltage-shutdown-12V.png b/electronics/batteries/low-voltage-shutdown-12V.png deleted file mode 100644 index 7f065a5..0000000 Binary files a/electronics/batteries/low-voltage-shutdown-12V.png and /dev/null differ diff --git a/electronics/batteries/low-voltage-shutdown.circuit b/electronics/batteries/low-voltage-shutdown.circuit deleted file mode 100644 index 92527bf..0000000 --- a/electronics/batteries/low-voltage-shutdown.circuit +++ /dev/null @@ -1,15 +0,0 @@ -$ 1 5.0E-6 10.20027730826997 57 5.0 50 -v 208 288 208 128 0 3 40.0 6.0 6.0 0.0 0.5 -a 400 208 576 208 1 12.0 0.0 1000000.0 -w 208 288 288 288 0 -w 288 288 400 288 0 -w 576 208 592 208 0 -w 576 208 576 128 0 -174 288 128 576 176 0 100000.0 0.8960000000000001 hystereze -w 400 192 432 176 0 -w 288 192 208 128 0 -w 352 240 288 128 0 -w 288 192 400 224 0 -v 400 288 352 240 0 0 40.0 5.0 0.0 0.0 0.5 -o 0 32 0 34 20.0 9.765625E-5 0 -1 -o 4 32 0 35 20.0 9.765625E-5 0 -1 diff --git a/electronics/batteries/low-voltage-shutdown2.circuit b/electronics/batteries/low-voltage-shutdown2.circuit deleted file mode 100644 index 909dfeb..0000000 --- a/electronics/batteries/low-voltage-shutdown2.circuit +++ /dev/null @@ -1,29 +0,0 @@ -$ 1 5.0E-6 0.42987889063095264 50 5.0 50 -v 144 320 144 80 0 3 40.0 2.0 12.0 0.0 0.5 -w 144 80 224 80 0 -w 144 320 224 320 0 -a 496 192 608 192 1 11.0 0.0 1000000.0 -w 560 112 608 112 0 -w 400 208 496 208 0 -r 608 112 608 192 0 820000.0 -r 288 112 496 112 0 82000.0 -w 496 176 496 112 0 -w 608 192 672 192 0 -M 672 192 672 160 0 2.5 -w 224 80 672 80 0 -O 672 80 672 128 1 -v 288 320 288 256 0 0 40.0 6.0 0.0 0.0 0.5 -w 224 320 288 320 0 -w 288 256 288 112 0 -w 496 112 560 112 0 -174 224 144 256 272 0 100000.0 0.39110000000000006 Resistance -w 256 208 400 208 0 -r 224 144 224 80 0 220000.0 -r 224 272 224 320 0 220000.0 -f 672 192 736 192 1 1.5 -w 736 176 736 80 0 -w 736 80 672 80 0 -162 736 208 736 320 1 2.1024259 1.0 0.0 0.0 -w 288 320 736 320 0 -o 12 64 0 34 20.0 9.765625E-5 0 -1 -o 10 64 0 34 20.0 9.765625E-5 0 -1 diff --git a/electronics/batteries/low-voltage-shutdown3.circuit b/electronics/batteries/low-voltage-shutdown3.circuit deleted file mode 100644 index 4db3e20..0000000 --- a/electronics/batteries/low-voltage-shutdown3.circuit +++ /dev/null @@ -1,74 +0,0 @@ -$ 1 5.0E-6 10.20027730826997 50 5.0 50 -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 0.00625 1 -1 -o 7 64 0 35 10.0 9.765625E-5 2 -1 diff --git a/electronics/batteries/low-voltage-shutdown3.png b/electronics/batteries/low-voltage-shutdown3.png deleted file mode 100644 index caaecd1..0000000 Binary files a/electronics/batteries/low-voltage-shutdown3.png and /dev/null differ diff --git a/electronics/batteries/low-voltage-shutdown4.circuit b/electronics/batteries/low-voltage-shutdown4.circuit new file mode 100644 index 0000000..84af594 --- /dev/null +++ b/electronics/batteries/low-voltage-shutdown4.circuit @@ -0,0 +1,68 @@ +$ 1 5.0E-6 10.20027730826997 50 5.0 50 +w 304 448 384 448 0 +w 384 448 464 448 0 +f 304 272 368 272 1 1.5 +x 190 436 227 442 0 24 ON +x 531 442 578 448 0 24 OFF +w 368 192 304 192 0 +w 304 192 240 192 0 +w 240 192 112 192 0 +172 112 192 48 192 0 6 15.0 35.0 -5.0 0.0 0.5 input voltage +x 63 46 805 52 0 23 Low voltage cutoff with on/off switch and overcurrent protection +x 393 270 515 276 0 24 P-MOSFET +x 62 97 470 101 0 16 + Built-in switch buttons and optional indicator LED +x 612 343 652 346 0 10 50-500k +x 613 357 659 360 0 10 multiturn +x 358 244 364 247 0 10 S +x 362 303 370 306 0 10 D +w 368 288 560 288 0 +w 688 288 768 288 0 +w 368 256 368 192 0 +w 304 448 240 448 0 +x 63 115 699 119 0 16 + Short circuit protection (short circuit causes voltage drop that triggers cutoff) +x 63 133 595 137 0 16 + Reverse voltage protection (unless you use MOSFET with diode!) +w 608 288 688 288 0 +w 560 288 576 288 0 +174 624 192 560 192 0 500000.0 0.5 reconnect hysteresis +w 592 208 592 240 0 +x 580 175 604 178 0 10 500k +x 613 175 779 179 0 16 reconnect hysteresis +x 612 375 659 379 0 16 cutoff +w 624 192 624 272 0 +w 592 240 592 272 0 +w 528 192 384 192 0 +x 654 197 730 201 0 16 (optional) +x 68 503 752 507 0 16 If you want automatic reconnect with hysteresis, just add another pot across MOSFET +x 67 523 815 527 0 16 and connect cutoff pot to it's wiper instead of + rail (as illustrated). This overrides OFF switch. +x 62 150 588 154 0 16 + Possibility to add automatic reconnect with hysteresis if needed +x 62 79 748 83 0 16 + Only 5 components for basic setup!!! (without OFF button, LED and auto reconnect) +r 304 272 304 192 0 100000.0 +w 304 320 304 272 0 +w 576 288 592 288 0 +w 592 288 608 288 0 +w 560 192 528 192 0 +w 304 320 240 320 0 +174 592 336 560 368 0 500000.0 0.5 cutoff voltage +w 592 336 592 288 0 +w 592 368 592 448 0 +s 512 352 512 448 0 1 true +w 592 448 512 448 0 +w 512 448 464 448 0 +r 688 288 688 368 0 3600.0 +162 688 368 688 448 1 2.1024259 1.0 0.0 0.0 +w 688 448 768 448 0 +w 688 448 592 448 0 +w 240 448 112 448 0 +g 112 448 64 448 0 +s 240 352 240 448 0 1 true +w 240 320 240 352 0 +f 368 384 304 384 0 1.5 +w 304 368 304 320 0 +w 304 400 304 448 0 +w 368 384 512 352 0 +r 768 288 768 448 0 10.0 +w 560 352 512 352 0 +x 343 422 469 428 0 24 N-MOSFET +o 7 64 0 289 10.0 1.6 0 -1 +o 2 64 0 35 20.0 1.6 1 -1 +o 60 64 0 35 10.0 9.765625E-5 2 -1 diff --git a/electronics/batteries/low-voltage-shutdown4.png b/electronics/batteries/low-voltage-shutdown4.png new file mode 100644 index 0000000..8e76c12 Binary files /dev/null and b/electronics/batteries/low-voltage-shutdown4.png differ