davor
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f5abbf3285
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spice: 2.5V from FTDI leaks to 3.3V power line and makes more difficult to shutdown.
It explains why PCB v1.7 can't shutdown.
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8 years ago |
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davor
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baff27af55
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spice: actual level of FTDI_nSLEEP is 2.5V
replace correct schottky diode model
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8 years ago |
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davor
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ca307f815b
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powersection-v188.spice: small comment
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8 years ago |
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davor
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bc4a96cb84
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spice update R1,R4 = 4.7k reliable voltage for POWER-ON, HOLD
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8 years ago |
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davor
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3b92d7064b
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spice analysis of power section, corrected resistor values
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8 years ago |
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Emard
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762033c61f
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SPICE: increasing RC load constants to simulate delayed response
of switching power supplies
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8 years ago |
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Emard
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5387e9a7eb
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SPICE: more conservative gate threshold for 2N7002
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8 years ago |
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Emard
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ca3e7b21a6
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SPICE: simulating USB plug-in, shutdown signal, manual button and RTC alarm
and FTDI_nSLEEP, so far everything works OK
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8 years ago |
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davor
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521e4e5b0d
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spice analysis for shutdown network (not yet complete)
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8 years ago |
