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@ -29,7 +29,7 @@ Rwk wake_pulse wake_base 1k
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* FTDI_nSLEEP signal every 10 seconds, start after 2.3s
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* start rise fall duration period
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VFTDI FTDI_nSLEEP 0 PULSE(0V 3.3V 2.2s 10ms 10ms 0.5s 10s DC=0V)
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VFTDI FTDI_nSLEEP 0 PULSE(0V 2.5V 2.2s 10ms 10ms 0.5s 10s DC=0V)
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* RTC internal NPN transisfor for open collector output
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Qwk WAKEUPn wake_base 0 BC847
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@ -65,7 +65,7 @@ R2 PWREN 0 18k
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* small mosfet
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M1 drain SHUT 0 0 N7002
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* drain resistor
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R8 drain PWREN 680
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R8 drain PWREN 1.2k
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* mosfet gate slowdown resistor
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C14 SHUT 0 220nF
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* mosfet gate discharge (default OFF) resistor
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@ -75,7 +75,7 @@ R5 SHUT 0 2.2MEG
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D14 SHUT P3V3 N4148
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* diode for shutdown to only pull down, never up
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D15 SHUTDOWN SHUT BAT42
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D15 SHUTDOWN SHUT BAT54W
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* Pull down resistor
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R13 SHUTDOWN 0 15k
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@ -85,8 +85,8 @@ D16 WAKEUPn pwrbtn N4148
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SPWR pwrbtn 0 pwrbtn_pulse 0 SWITCH OFF
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* ftdi no-sleep network
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R10 FTDI_nSLEEP FTDI_nSUSPEND 220
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D12 FTDI_nSUSPEND PWREN N4148
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R10 FTDI_nSLEEP FTDI_nSUSPEND 150
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D12 FTDI_nSUSPEND PWREN BAT54W
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* The load (slow)
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@ -101,7 +101,11 @@ CL P3V3 0 1000uF
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.MODEL SWITCH SW (VT=1V, VH=0.5V, RON=0.01, ROFF=100MEG)
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.MODEL N4148 D (CJO=0.2pF)
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.MODEL BAT42 D (VJ=0.25)
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.MODEL BAT54W D (
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+IS=1.4092e-08 RS=0.78137 N=0.960292 EG=0.706829
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+XTI=0.5 BV=30 IBV=0.00001 CJO=1.28873e-11
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+VJ=0.604739 M=0.445477 FC=0.5 TT=0
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+KF=0 AF=1)
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*Typ RED GaAs LED: Vf=1.7V Vr=4V If=40mA trr=3uS
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.MODEL LED_RED D (IS=93.2P RS=42M N=3.73 BV=4 IBV=10U
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+ CJO=2.97P VJ=.75 M=.333 TT=4.32U)
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@ -116,7 +120,5 @@ CL P3V3 0 1000uF
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.MODEL N7002 NMOS (LEVEL=1, VTO=2.5, KP=40, RS=0.033, RD=0.034)
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* todo
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* [ ] BAT42 schottky diode model doesn't simulate wanted 0.25V drop
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* the BAT42 model seems to have 0.7V drop
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* [ ] delay: switch power 3.3V doesn't start immediately
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* [x] delay: switch power 3.3V doesn't start immediately simulated with Rsmps=10 ohm
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* [ ] control signals should be derived from P3V3 line
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davor
6 years ago