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FM23E P3 PROTECTIONS Power supply page 8
0307 E7 2370 C13 3302 F3 3311 B3 3320 B4 3330 C5 3341 C7 3350 D9 3362 D10 3371 B13 3383 F4 3392 F11 6324 E4 6347 C8 7308-A D2 7330-D C6 7366-D G4 F302 A14 F311 C14 F320 H7 I303 F2 I312 D2 I326 G13 I341 D7 I352 D9 I372 B10 I384 G4 I396 G10 I914 C3
0319 A15 2376 G2 3303 F3 3312 C3 3321 C4 3331 B5 3342 D7 3351 D9 3363 E10 3372 B13 3384 G4 3393 H10 6325 G12 6348 D8 7308-B C2 7341 D8 7370 A13 F303 B14 F312 C15 F321 G7 I304 D1 I313 D3 I327 G13 I342 D7 I362 D11 I373 B10 I385 G4 I900 E6 I915 C4
2305 D1 2380 G3 3304 D1 3313 D3 3322 D4 3332 C6 3343 E7 3352 E9 3364 E11 3373 F2 3385 H4 3394 F11 6333 C5 6362 D10 7308-C D3 7348 D8 7375 F2 F304 B14 F313 F7 F322 E9 I305 F1 I314 D3 I330 C4 I344 D8 I363 C11 I374 B10 I386 F5 I901 F6 I916 C5
2306 C2 2381 H2 3305 G3 3314 D3 3323 E4 3333 C6 3344 D8 3353 E10 3365 D12 3374 F2 3386 F5 3395 F10 6334 D5 6364 D11 7308-D C3 7351 D10 7376 H2 F305 B14 F314 F7 F323 D13 I306 E1 I315 D3 I331 C5 I345 D7 I364 D11 I375 B10 I387 G5 I902 F6 I917 C7
2322 D4 2382 H3 3306 D1 3315 D3 3324 D1 3334 D6 3345 C8 3354 E9 3366 D12 3376 G2 3387 G6 6312 C2 6335 E5 6365 E12 7326 G13 7352 D9 7389 F9 F306 B14 F315 F7 F343 D7 I307 E1 I316 D3 I332 C6 I347 D8 I365 D12 I376 B10 I388 G3 I903 F6 I918 D8
2324 E6 2385 H5 3307 E1 3316 D3 3325 G12 3335 E6 3346 C8 3358 C11 3367 E12 3377 G1 3388 F8 6313 D2 6340 C7 6375 F2 7327 G14 7362 D11 7391 G11 F307 B14 F316 F7 F368 C2 I308 F2 I318 C4 I334 D5 I348 D8 I366 D13 I377 B13 I389 F8 I904 G6 I919 D11
2343 E8 2393 H11 3308 C2 3317 E3 3326 G12 3338 C7 3347 D8 3359 C11 3368 D13 3380 H2 3389 F9 6314 E2 6341 D7 6376 G2 7330-A D5 7366-A D12 7393 G11 F308 B14 F317 G7 I300 F3 I309 G3 I322 D4 I335 D6 I349 D9 I367 D11 I378 B13 I390 G10 I905 G6 I920 D12
2352 E9 3300 B1 3309 B3 3318 B4 3327 G13 3339 C7 3348 D8 3360 D10 3369 E13 3381 H2 3390 G10 6321 C4 6342 E7 6390 G10 7330-B C5 7366-B G5 F300 A14 F309 B14 F318 G7 I301 C1 I310 G1 I324 D4 I338 C7 I350 D9 I370 B10 I380 F3 I391 G10 I906 G6
2364 E11 3301 C1 3310 B3 3319 B4 3328 G13 3340 C7 3349 C9 3361 C10 3370 B14 3382 G3 3391 G10 6322 D4 6344 D8 7304 D1 7330-C D6 7366-C F4 F301 A14 F310 C14 F319 H7 I302 C1 I311 G2 I325 G12 I339 E11 I351 D9 I371 B10 I383 G4 I392 F10 I913 C11
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
PROTECTION TO AUX_SUPPLY
VCC_GO
POWER_OK
VCC
VA
POWER_OK
Power OK = H
FROM FROM Under or overvoltage protections TO
FILTER_STBY
if all power supply +9V_STBY_SW
outputs are OK
A ERROR LOGGING
7370
PCF8574AT
A
FROM Switch off VS
0319
TO INT_ 13 +9V_STBY F300 1
INTERRUPT A0 1 +9V_STBY_SW F301 2
FROM +3V3 LLC_SUPPLY LP FILTER
LATCH
DC_PROT
LOGIC +8V6 F302
A1 2 3
VS_PROT I370 +5V_STBY_SW F304
4V9 4 P0 A2 3 +5V 4
FROM LLC_SUPPLY I371 5V 5 I377 +3V3_STBY_SW F305
VA_PROT P1 SCL 14 5 TO
2
Vs_unsw VCC_PROT I372 5V 6 P2
BUS C I INPUT
SDA 15
I378 3370 SCL F306 6 0319
+5V_STBY_SW 70-90V CONTROL FILTER
B +3V3_PROT I373 5V 7 3371 100R F307 B
3310
P3 SDA 7
4K7
VS VA VCC +3V3 I/O BIT 8 SHIFT
I374 5V 9 100R F308
protection
3331
P4 PORTS
OVER VOLTAGE GND 8 CONTROL
4K7
protection protection protection REGISTER
220K
3300
I375 4V 10 P5 POWER-ON VDD 16 POWER_OK F309 9
detection power OK = High
220K
3309
3311
3318
3319
3320
4K7
10K
3372
1K
1K
I376 5V 11 P6 RESET F303
TEMP_3
3330
3332
3338
3339
On/Off switch 10
3301 I301
3K9
4K7
1K
1K
+t F310
TEMP_PROT
12 P7 VSS 8 STANDBY 11
From control SC8
DC_PROT
4V9
220K
KTY81
I914
I915
I916
I917
SWITCH
F311 12
2370
100n
2306 F368 F312 13
LATCH VCEGO
I318