X-Git-Url: https://git.harvie.cz/?a=blobdiff_plain;f=electronics%2Fbatteries%2Fdeprecated%2Flow-voltage-shutdown3.circuit;fp=electronics%2Fbatteries%2Fdeprecated%2Flow-voltage-shutdown3.circuit;h=4db3e20f97e00be9dfc98d257e03836ac329a152;hb=0b3d6e1181a0137e23e714120490a32c694ad158;hp=0000000000000000000000000000000000000000;hpb=90aa58dbaeb45c3f9bfaff29d9d8dee0f582d842;p=mirrors%2FDesigns.git diff --git a/electronics/batteries/deprecated/low-voltage-shutdown3.circuit b/electronics/batteries/deprecated/low-voltage-shutdown3.circuit new file mode 100644 index 0000000..4db3e20 --- /dev/null +++ b/electronics/batteries/deprecated/low-voltage-shutdown3.circuit @@ -0,0 +1,74 @@ +$ 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