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 5eb960b0c71894fbd106ca40bdda481aa1df1ba0..4db3e20f97e00be9dfc98d257e03836ac329a152 100644 (file)
--- a/electronics/batteries/low-voltage-shutdown3.circuit
+++ b/electronics/batteries/low-voltage-shutdown3.circuit
@@ -1,54 +1,74 @@
 $ 1 5.0E-6 10.20027730826997 50 5.0 50
-a 560 400 480 400 1 15.0 -15.0 1000000.0
-r 480 400 432 400 0 10000.0
-t 432 400 400 400 0 1 -20.00024748937585 -15.00024750938585 100.0
-v 560 480 560 416 0 0 40.0 2.5 0.0 0.0 0.5
-w 400 416 400 480 0
-w 400 480 480 480 0
-w 480 480 560 480 0
-w 560 384 608 384 0
-174 656 336 608 432 0 500000.0 0.005 Resistance
-f 400 304 464 304 1 1.5
-s 336 304 336 400 0 1 true
-s 336 224 336 304 0 1 true
-w 400 304 336 304 0
-x 439 456 512 462 0 24 TL431
-x 256 354 293 360 0 24 ON
-x 255 263 302 269 0 24 OFF
-w 464 224 400 224 0
-w 400 224 336 224 0
-w 336 224 208 224 0
-172 208 224 144 224 0 6 5.0 35.0 -5.0 0.0 0.5 Voltage
-g 208 544 160 544 0
-w 656 544 400 544 0
-w 400 544 336 544 0
-w 336 544 208 544 0
-w 656 544 784 544 0
-w 784 544 864 544 0
-x 259 143 725 149 0 24 Low voltage cutoff (3-36V) using TL431
-x 489 302 611 308 0 24 P-MOSFET
-x 191 606 828 612 0 24 You can omit 1k resistor if you don't need OFF switch
-x 211 181 784 187 0 24 Built in switch buttons and zero off state current
-x 675 380 714 384 0 16 500k
-x 676 398 746 402 0 16 multiturn
-x 454 276 461 279 0 10 S
-x 458 335 466 338 0 10 D
-w 464 320 656 320 0
-w 656 320 656 336 0
-w 656 320 784 320 0
-w 784 320 864 320 0
-w 400 304 400 384 0
-r 400 480 400 544 0 200.0
-r 400 304 400 224 0 200000.0
-w 464 288 464 224 0
-162 784 432 784 544 1 2.1024259 1.0 0.0 0.0
-w 656 432 656 544 0
-w 336 480 336 400 0
-w 400 480 336 480 0
-d 384 416 384 384 1 0.805904783
-w 384 384 400 384 0
-w 384 416 400 416 0
-r 784 432 784 320 0 100.0
-o 18 64 0 289 2.5 9.765625E-5 0 -1
-o 9 64 0 35 10.0 9.765625E-5 1 -1
-o 7 64 0 35 0.3125 9.765625E-5 2 -1
+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