========================================================================================================= [ZXCT1030] *TITLE=ZXCT1030 MACROMODEL *ORIGIN=DZSL_AG_GS *SIMULATOR=DIODES, SIMETRIX and PSPICE *DATE=14th June 2010 *VERSION=1 *PIN_ORDER 1:VCC, 2:VS-, 3:VS+, 4:GND, 5:COMPIN, 6:REF, 7:OUT, 8:COMPOUT * .subckt ZXCT1030 VCC VS- VS+ GND COMPIN REF OUT COMPOUT * pins------------1--2----3---4---5------6---7----8 * *Voltage reference R1 REFG REF 34 V1 REFG GND 1.24 * * Current sense amplifier limited by supply voltage R2 GND VCC 58k ;quiescent current at 5V R3 VS- AIN- 100k ;input filter C1 VS+ AIN- 1p ;input filter G1 VS+ OUT VALUE={ max(V(VS+)-V(AIN-),0)/150*tanh ( 20*max(V(VS+)-1.1-V(OUT),0) ) } R4 OUT GND 1.5k ;output resistance * *Comparator with VS- undervoltage detection and limited by supply voltage E2 DELTA GND VALUE = { V(OUT)-V(COMPIN)+0.015*V(E3OUT) } R5 DELTA COMPINT 1k ; delay filter C2 COMPINT GND 150p ; delay filter E3 E3OUT GND VALUE={ 0.5*(1+tanh(V(COMPINT)*10000)) } E4 S1IN GND VALUE={ ( V(E3OUT)+tanh(20*max(2.1-V(VS-),0)) )*tanh(20*max(V(VCC)-2.1,0)) } * *Output transistor open collector S1 COMPOUT GND S1IN GND _S1 .MODEL _S1 VSWITCH Roff=10e6 Ron=300 Voff=0.25 Von=0.75 * .ends ZXCT1030 * * (c) 2010 Diodes Inc * * The copyright in these models and the designs embodied belong * to Diodes Incorporated (" Zetex "). They are supplied * free of charge by Zetex for the purpose of research and design * and may be used or copied intact (including this notice) for * that purpose only. All other rights are reserved. The models * are believed accurate but no condition or warranty as to their * merchantability or fitness for purpose is given and no liability * in respect of any use is accepted by Diodes Incorporated, its distributors * or agents. * * Diodes Zetex Semiconductors Ltd, Zetex Technology Park, Chadderton, * Oldham, United Kingdom, OL9 9LL * * ========================================================================================================= [ZXCT1080] * *Zetex ZXCT1080 Spice Model v2.0 Last Revised 28/04/08 * .SUBCKT ZXCT1080 1 2 3 4 5 * *Pins = Gnd, Vcc, S+, S-, Vout * R1 2 1 1E6 R2 4 1 1E8 R3 13 14 1000 R4 15 5 Rmod1 3.5 R5 16 12 9 R6 12 1 Rmod2 1 R7 3 1 1E6 R8 21 22 Rmod3 1 C1 14 1 3E-10 E1 16 1 value={((V(3)-V(4))*100)+(V(3)/466*(V(3)-V(4))+((V(2)-5)/100)+0.025+(V(21)*10))} E2 13 1 value={V(12)-((V(12)-V(2))*(TANH((V(12)-V(2))*110)+1)/2)} E3 15 1 value={V(14)*((TANH(V(14)*100)+1)/2)} I1 1 21 1 V1 1 22 1 .MODEL Rmod1 RES (TC1=6e-3 ) .MODEL Rmod2 RES (TC1=5e-6 ) .MODEL Rmod3 RES (TC1=5e-5 ) .ENDS ZXCT1080 * *$ * * (c) 2008 Diodes Incorporated * * The copyright in these models and the designs embodied belong * to Diodes Incorporated (" Diodes "). They are supplied * free of charge by Diodes for the purpose of research and design * and may be used or copied intact (including this notice) for * that purpose only. All other rights are reserved. The models * are believed accurate but no condition or warranty as to their * merchantability or fitness for purpose is given and no liability * in respect of any use is accepted by Diodes Incorporated, its distributors * or agents. * * Diodes Incorporated, 1566 N. Dallas Parkway, Suite 850, Dallas, TX 75248, USA =========================================================================================================