low power

[mirrors/Designs.git] / electronics / batteries / low-voltage-shutdown3.circuit

diff --git a/electronics/batteries/low-voltage-shutdown3.circuit b/electronics/batteries/low-voltage-shutdown3.circuit
index 2ad2df18ccd22bbd27f4ac71fd86a0e959b04cae..4db3e20f97e00be9dfc98d257e03836ac329a152 100644 (file)
--- a/electronics/batteries/low-voltage-shutdown3.circuit
+++ b/electronics/batteries/low-voltage-shutdown3.circuit
@@ -1,48 +1,74 @@
 $ 1 5.0E-6 10.20027730826997 50 5.0 50
-a 560 432 480 432 1 15.0 -15.0 1000000.0
-r 480 432 432 432 0 10000.0
-t 432 432 400 432 0 1 0.6015919625349458 0.601884912820674 100.0
-v 560 512 560 448 0 0 40.0 2.5 0.0 0.0 0.5
-w 400 448 400 512 0
-w 400 512 480 512 0
-w 480 512 560 512 0
-w 560 416 608 416 0
-w 400 512 400 560 0
-w 400 416 400 352 0
-174 656 368 608 464 0 500000.0 0.2822 Resistance
-f 400 256 464 256 1 1.5
-s 336 256 336 352 0 1 true
-s 336 176 336 256 0 1 true
-w 400 256 336 256 0
-r 400 256 400 176 0 1000000.0
-r 400 256 400 352 0 1000.0
-x 439 488 512 494 0 24 TL431
-x 259 312 296 318 0 24 ON
-x 251 218 298 224 0 24 OFF
-w 464 240 464 176 0
-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 5.0 5.0 0.0 0.0 0.5 Voltage
-g 208 560 160 560 0
-w 336 560 336 352 0
-w 464 272 656 272 0
-w 656 272 656 368 0
-w 656 464 656 560 0
-w 656 560 400 560 0
-w 400 560 336 560 0
-w 336 560 208 560 0
-w 656 560 784 560 0
-162 784 400 784 560 1 2.1024259 1.0 0.0 0.0
-r 784 400 784 272 0 100.0
-w 784 272 656 272 0
-w 784 272 864 272 0
-w 784 560 864 560 0
-x 257 110 723 116 0 24 Low voltage cutoff (3-36V) using TL431
-x 497 237 619 243 0 24 P-MOSFET
-x 182 611 819 617 0 24 You can omit 1k resistor if you don't need OFF switch
-x 209 148 782 154 0 24 Built in switch buttons and zero off state current
-x 675 412 714 416 0 16 500k
-x 676 430 746 434 0 16 multiturn
-x 453 230 460 233 0 10 S
-x 456 286 464 289 0 10 D
+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