* MAX6780 MACROMODEL * ------------------------------ * Revision 0, 07/2009 * ------------------------------ * MAX6780 is low-power 1% accurate dual low-battery monitor IC with fixed hysteresis. **************** *Note: ** Macro model is developed using the typical device parameters given in the data sheet with 5 volts power supply. Model does not take care of the device non-linearity with temperature variations. Model characteristics may not match actual device behavior at abnormal operating conditions. * * ------------------------------ * Connections * 1 = LBI2 * 2 = GND * 3 = LBI1 * 4 = LBO1_ * 5 = LBO2_ * 6 = BATT **************** .subckt MAX6780 1 2 3 4 5 6 Xbm1 3 6 2 4 MAX6780_BM Xbm2 1 6 2 5 MAX6780_BM .ends MAX6780 **************** **************** .subckt MAX6780_BM LBI BATT GND LBO_ C_MAX6780_Cst GND MAX6780_N11437502 1n R_MAX6780_R8 MAX6780_N11438182 MAX6780_N114380682 10 D_MAX6780_D14 MAX6780_VO VDD diodemacro_ideal D_MAX6780_Dst MAX6780_N11437502 MAX6780_N11437690 diodemacro_ideal D_MAX6780_CO1_D2 GND MAX6780_N114378922 diodemacro_mostideal G_MAX6780_CO1_G1 MAX6780_N114378922 GND MAX6780_N11439180 MAX6780_VH + -1E6 D_MAX6780_CO1_D1 MAX6780_N114378922 VBT diodemacro_mostideal G_MAX6780_G11 BATT GND BATT GND 0.4211E-6 C_MAX6780_C6 GND MAX6780_N11439100 8n V_MAX6780_Voff MAX6780_N11438372 GND 1.222V E_MAX6780_Est1 MAX6780_N11437690 MAX6780_N114374620 BATT GND 1 V_MAX6780_Vch VDD GND 5V C_MAX6780_C5 GND MAX6780_VH 12n E_MAX6780_E24 MAX6780_N114374462 GND MAX6780_N11438182 GND 1 E_MAX6780_EicL MAX6780_N11438636 GND BATT MAX6780_N114386521 -1E5 D_MAX6780_D18 MAX6780_N11438182 VBT diodemacro_ideal V_MAX6780_VH1 MAX6780_N114374620 GND -0.8mV I_MAX6780_Idd BATT GND DC 2.442uA D_MAX6780_D19 GND MAX6780_N11438182 diodemacro_ideal M_MAX6780_M11 MAX6780_N11437606 MAX6780_N11438672 GND GND NJNT L=1u + W=2u I_MAX6780_I2 LBO_ GND DC 100nA E_MAX6780_EicH MAX6780_N11438672 GND BATT MAX6780_N114387021 1E5 E_MAX6780_E2 MAX6780_N11438368 LBI MAX6780_VO GND 1.22E-3 E_MAX6780_E21 MAX6780_N114382322 GND MAX6780_VH GND 4 E_MAX6780_E25 MAX6780_N11439180 GND VBT GND 0.5 V_MAX6780_VicH MAX6780_N114387021 GND 5.5V E_MAX6780_Est2 VBT GND MAX6780_N11437502 GND 1 G_MAX6780_Gg MAX6780_N11437606 GND MAX6780_N11438368 MAX6780_N11438372 + -1 R_MAX6780_R7 MAX6780_N114382322 MAX6780_VO 1 V_MAX6780_VH MAX6780_N114385401 GND 5.5V M_MAX6780_M1 LBO_ MAX6780_N11439100 GND GND NMOS L=1u W=30u R_MAX6780_Rg GND MAX6780_N11437606 50000 R_MAX6780_R11 MAX6780_N11439100 MAX6780_N114378922 1 M_MAX6780_M13 MAX6780_N11437606 MAX6780_N11438408 GND GND NJNT L=1u + W=2u E_MAX6780_EH MAX6780_N11438408 GND LBI MAX6780_N114385401 1E5 R_MAX6780_R9 MAX6780_N114374462 MAX6780_VH 1k E_MAX6780_E23 MAX6780_N114380682 GND MAX6780_N11437606 GND 1 M_MAX6780_M14 MAX6780_N11437606 MAX6780_N11438636 GND GND NJNT L=1u + W=2u G_MAX6780_Gst MAX6780_N11437502 GND BATT GND -0.333E-6 V_MAX6780_VicL MAX6780_N114386521 GND 1.2V I_MAX6780_Ib+ LBI GND DC 5nA ****************** .model diodemacro_ideal d(n=0.001) .model diodemacro_mostideal d(IS=1E-12 N=0.000001 BV=35 IBV=1) .model NJNT nmos(VTO=0.5 KP=50E-2) .model NMOS nmos(VTO=0.5 KP=100E-6) .ends MAX6780_BM **************** * Copyright (c) 2003-2012 Maxim Integrated Products. All Rights Reserved.