一个用于计算BQ24133芯片参数的java程序

fukuharaai

已于 2024-11-19 16:33:29 修改

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文章标签： java 开发语言硬件工程

于 2024-11-18 16:02:40 首次发布

本文链接：https://blog.youkuaiyun.com/fukuharaai/article/details/143859586

版权

纯记事本，java环境直接运行就行。从下一行开始复制即可。

import javax.print.DocFlavor.STRING;

public class test { // 这里的test是文件名,在java中,文件名要和类名一致

public static double get_v_div(double v, double r1, double r2) {

// vcc->R1->R2->GND

return v * r2 / (r1 + r2);

}

public static double get_I_precharge(double V_iset) {

double R_SR = 10.0 / 1000.0;

return V_iset / (200.0 * R_SR);

}

public static double get_I_CHG(double V_iset) {

double R_SR = 10.0 / 1000.0;

return V_iset / (20.0 * R_SR);

}

public static double get_I_DPM(double v) {

double R_AC = 20.0 / 1000.0;

return v / (20.0 * R_AC);

}

public static double get_I_term(double v) {

double R_AC = 20.0 / 1000.0;

return v / (200.0 * R_AC);

}

public static double get_V_ISET(double R1, double R2) {

double V_ref = 3.3;

return get_v_div(V_ref, R1, R2);

}

public static double get_V_acset(double R1, double R2) {

// vcc->R1->R2->GND

double V_ref = 3.3;

return get_v_div(V_ref, R1, R2);

}

public static void cal_V_ovpset() {

System.out.println("****************process of v_ovpset*************");

double V_in = 15.0;

double V_in_max = 17.0;

double V_in_min = 13.0;

double R1, R2;

String my_str;

R1 = 100.0;

R2 = 0.001;

int cnt = 0;

do {

if (get_v_div(V_in_max, R1, R2) > 1.6) {

break;

}

R2 += 1.0;

if (cnt++ > 10000)

break;

} while (true);

/*********************** */

my_str = String.format("V_ovpset: R1=%fK,\tR2 should less than %fK", R1, R2);

System.out.println(my_str);

R2 = 0.001;

cnt = 0;

do {

if (get_v_div(V_in_min, R1, R2) > 0.5) {

break;

}

R2 += 0.1;

if (cnt++ > 10000)

break;

} while (true);

my_str = String.format("V_ovpset: R1=%fK,\tR2 should greater than %fK", R1, R2);

System.out.println(my_str);

/********************** */

R2 = 0.001;

cnt = 0;

do {

if (get_v_div(V_in, R1, R2) > 1.6) {

break;

}

R2 += 0.1;

if (cnt++ > 10000)

break;

} while (true);

my_str = String.format("V_ovpset: R1=%fK,\tR2 should less than %fK", R1, R2);

System.out.println(my_str);

R2 = 0.001;

cnt = 0;

do {

if (get_v_div(V_in, R1, R2) > 0.5) {

break;

}

R2 += 0.1;

if (cnt++ > 10000)

break;

} while (true);

my_str = String.format("V_ovpset: R1=%fK,\tR2 should greater than %fK", R1, R2);

System.out.println(my_str);

return;

}

public static void cal_I_chg() {

System.out.println("****************process of v_iset*************");

int cnt;

double R1, R2;

String my_str;

cnt = 0;

R1 = 100.0;

R2 = 0.001;

do {

if (get_I_CHG(get_V_ISET(R1, R2)) > 1.0) {

break;

}

R2 += 1.0;

if (cnt++ > 10000)

break;

} while (true);

my_str = String.format("V_ISET to bat: R1=%fK,\tR2 should less than %fK, for a small AMP= %f", R1, R2, 10.);

System.out.println(my_str);

return;

}

public static void cal_I_dpm() {

System.out.println("****************process of i_acset*************");

int cnt;

double R1, R2;

String my_str;

cnt = 0;

R1 = 100.0;

R2 = 0.001;

do {

if (get_I_DPM(get_V_acset(R1, R2)) > 1.1) {

break;

}

R2 += 1.0;

if (cnt++ > 10000)

break;

} while (true);

my_str = String.format("V_ACSET from adapter: R1=%fK,\tR2 should less than %fK ,the AMP= %f ", R1, R2, 1.1);

System.out.println(my_str);

return;

}

public static double get_Rt1(double R_t2, double R_THcold, double V_LTF) {

double R_t1;

R_t1 = 1.0 / V_LTF - 1.0;

R_t1 /= 1.0 / R_t2 + 1.0 / R_THcold;

return R_t1;

}

public static double get_Rt2(double R_THcold, double R_THhot, double V_LTF, double V_TCO) {

double R_t2;

R_t2 = R_THcold * R_THhot * (1.0 / V_LTF - 1.0 / V_TCO);

R_t2 /= R_THhot * (1.0 / V_TCO - 1) - R_THcold * (1.0 / V_LTF - 1);

return R_t2;

}

public static void cal_ntc() {

System.out.println("****************process of ntc*************");

double t1, t2;

double B, Rt[], R;

int id;

double V_REF = 3.3;

double V_LTF = 73.5 / 100;// * V_REF;

double V_HTF = 47.2 / 100;// * V_REF;

double V_TCO = 44.7 / 100;// * V_REF;

double R_THcold;

double R_THhot;

double R_t1, R_t2;

String my_str;

Rt = new double[150];

t2 = 273.15 + 25;

R = 10000.0;

B = 3987;

t1 = 0 + 273.15;

id = 0;

do {

Rt[id] = R * Math.exp(B * (1.0 / t1 - 1.0 / t2));

// my_str = String.format("%f\t%f", t1 - 273.15, Rt[id]);

// System.out.println(my_str);

t1 += 1;

if (++id >= 150)

break;

} while (true);

/*****************************/

R_THcold = Rt[0] / 1000;

R_THhot = Rt[60] / 1000;

my_str = String.format(" R_THcold=%fK,\tR_THhot=%fK", R_THcold, R_THhot);

System.out.println(my_str);

R_t2 = get_Rt2(R_THcold, R_THhot, V_LTF, V_TCO);

R_t1 = get_Rt1(R_t2, R_THcold, V_LTF);

my_str = String.format(" Rt1=%fK,\tRt2=%fK", R_t1, R_t2);

System.out.println(my_str);

/***************************************** */

R_THhot = 4.911;

my_str = String.format(" R_THcold=%fK,\tR_THhot=%fK", R_THcold, R_THhot);

System.out.println(my_str);

R_t2 = get_Rt2(R_THcold, R_THhot, V_LTF, V_TCO);

R_t1 = get_Rt1(R_t2, R_THcold, V_LTF);

my_str = String.format(" Rt1=%fK,\tRt2=%fK", R_t1, R_t2);

System.out.println(my_str);

R_THcold = 27.28;

my_str = String.format(" R_THcold=%fK,\tR_THhot=%fK", R_THcold, R_THhot);

System.out.println(my_str);

R_t2 = get_Rt2(R_THcold, R_THhot, V_LTF, V_TCO);

R_t1 = get_Rt1(R_t2, R_THcold, V_LTF);

my_str = String.format(" Rt1=%fK,\tRt2=%fK", R_t1, R_t2);

System.out.println(my_str);

return;

}

public static void main(String[] args) {

System.out.println("*******************************************");

System.out.println("***************hello world******************");

System.out.println("this process is going to calculating the parameter of the bq24133");

System.out.println("***************writen by xtx****************");

System.out.println("***************the language used is java****************");

System.out.println("***************date: 2024-11-18****************");

System.out.println("");

System.out.println("***************start working****************");

cal_V_ovpset();

cal_I_chg();

cal_I_dpm();

cal_ntc();

System.out.println("the process finished");

}