electronics/batteries/low-voltage-shutdown3.circuit

   1 $ 1 5.0E-6 10.20027730826997 50 5.0 50
   2 a 560 432 480 432 1 15.0 -15.0 1000000.0
   3 r 480 432 432 432 0 10000.0
   4 t 432 432 400 432 0 1 0.6015919625349458 0.601884912820674 100.0
   5 v 560 512 560 448 0 0 40.0 2.5 0.0 0.0 0.5
   6 w 400 448 400 512 0
   7 w 400 512 480 512 0
   8 w 480 512 560 512 0
   9 w 560 416 608 416 0
  10 w 400 512 400 560 0
  11 w 400 416 400 352 0
  12 174 656 368 608 464 0 500000.0 0.2822 Resistance
  13 f 400 256 464 256 1 1.5
  14 s 336 256 336 352 0 1 true
  15 s 336 176 336 256 0 1 true
  16 w 400 256 336 256 0
  17 r 400 256 400 176 0 1000000.0
  18 r 400 256 400 352 0 1000.0
  19 x 439 488 512 494 0 24 TL431
  20 x 259 312 296 318 0 24 ON
  21 x 251 218 298 224 0 24 OFF
  22 w 464 240 464 176 0
  23 w 464 176 400 176 0
  24 w 400 176 336 176 0
  25 w 336 176 208 176 0
  26 172 208 176 144 176 0 6 5.0 5.0 0.0 0.0 0.5 Voltage
  27 g 208 560 160 560 0
  28 w 336 560 336 352 0
  29 w 464 272 656 272 0
  30 w 656 272 656 368 0
  31 w 656 464 656 560 0
  32 w 656 560 400 560 0
  33 w 400 560 336 560 0
  34 w 336 560 208 560 0
  35 w 656 560 784 560 0
  36 162 784 400 784 560 1 2.1024259 1.0 0.0 0.0
  37 r 784 400 784 272 0 100.0
  38 w 784 272 656 272 0
  39 w 784 272 864 272 0
  40 w 784 560 864 560 0
  41 x 257 110 723 116 0 24 Low voltage cutoff (3-36V) using TL431
  42 x 497 237 619 243 0 24 P-MOSFET
  43 x 182 611 819 617 0 24 You can omit 1k resistor if you don't need OFF switch
  44 x 209 148 782 154 0 24 Built in switch buttons and zero off state current
  45 x 675 412 714 416 0 16 500k
  46 x 676 430 746 434 0 16 multiturn
  47 x 453 230 460 233 0 10 S
  48 x 456 286 464 289 0 10 D