BQ24650 MPPT太阳能控制器msp430单片机源码+电路图与PCB文件+LT3478 LED驱动

ID:412671 · 发表于 2018-10-20 12:08

MPPT资料包：

Altium Designer画的msp430单片机主控的BQ24650芯片MPPT太阳能控制器电路原理图和PCB图如下：(51hei附件中可下载工程文件)

msp430单片机源程序如下:

#include <msp430.h>
#include <stdint.h>
#include "eusci_b_i2c.h"
#include "pwm_Ax_Bx.h"
#include "adc.h"
/*
* main.c
*/
#define MIN_SHORT_COUNT 1250
#define SHORT_PRESS_COUNT 7812 //at 1Mhz ACLK/8*8 ~1sec
#define LONG_PRESS_COUNT 46875 // ~3 sec
// #define VERY_LONG_PRESS_COUNT not used as timer over flow is
#define DPOT_I2C_ADDRESS 0x50
struct
{
uint8_t ison:3;
uint8_t brightness;
uint8_t key_event;
uint8_t output_on;
uint8_t battery_level;
uint8_t ischarging;
uint8_t starting;
}system;
uint8_t calcBatLevel() // return ture if io update is required.
{
uint8_t retval=0;
uint16_t vbat=getVBAT();
vbat+=getVBAT();
vbat+=getVBAT();
vbat+=getVBAT();
vbat = vbat>>2;
if((!(P3IN&BIT5)) && (!(P3IN&BIT6)))//bider sind nirdig stat1 pin should be low for charing
{
system.ischarging=0;
}else if( (!(P3IN&BIT5)) && (P3IN&BIT6))
{
system.ischarging=1;
retval=1;
}else{
system.ischarging=0;
}
if(vbat<MIN_VBAT_LEVEL)
{
system.battery_level=EMPTY;
retval=1;
}else if(vbat<TF_VBAT_LEVEL)
{
system.battery_level=TF_PERCENT;
}else if(vbat<FF_VBAT_LEVEL)
{
system.battery_level=FF_PERCENT;
}else if(vbat<SF_VBAT_LEVEL)
{
system.battery_level=SF_PERCENT;
}else if((P3IN&BIT6) && (system.ischarging==1)) // vbat > SF_VBAT_LEVEL sense corret pin from bq24650
{
system.battery_level=NN_PERCENT;
}else{
system.battery_level=FULL;
}
return retval;
}
uint8_t event=0;
static void initClock()
{
PM5CTL0=0;
CSCTL0 =0xA500;
// FRCTL0 = 0xA500 | NWAITS0; //keine warte weil 8Mhz clk
CSCTL1 |= DCOFSEL_3; // on reset set to 8MHz
CSCTL2 = SELA__DCOCLK | SELS__DCOCLK | SELM__DCOCLK;
CSCTL3 &= ~(DIVA0 | DIVA1 | DIVA2 | DIVS0 | DIVS1 | DIVS2 | DIVM0| DIVM1 | DIVM2 ); //ACLK, MCLK and SMCLK to be 8Mhz
CSCTL3 |= DIVA1|DIVA0; // ACLK /8 == 1Mhz
// CSCTL4 = HFXTDRIVE0|HFXTDRIVE1 | HFFREQ1 |LFXTOFF ; //drive HFXT to be max power ( kein crytal bei strmsucher V1.0 deshab nicht ben鰐igt)
// _delay_cycles(5000);
// CSCTL0 =0x0000;
SFRIFG1 &=~( OFIFG);
}
void initCCPB0()
{
TB0CTL = 0;
TB0CTL = TASSEL__ACLK | ID_3 | MC_2 |TBIE;
TB0EX0 = TBIDEX_7;
TB0CCTL2 = 0;
TB0CCTL2 = CM_3 | CCIS_0 | OUTMOD_7 |CAP |CCIE;
TB0CCR0 = 0;
TB0CCR2 = 0;
}
void initLEDTIMERB1()
{
TB1CTL = 0;
TB1CTL = TASSEL__ACLK | ID_3 | MC_2 |TBIE|TBCLR;
}
enum ledstate{STATE0,STATE1,STATE2,STATE3,STATE4,STATE5,STATE_NORM};
static uint8_t init;
#pragma vector = TIMER1_B1_VECTOR //timer a0 over flor make it trig ever 333ms update display here
__interrupt void led_update(void)
{
static uint8_t blinker;
if(TB1CTL&TBIFG)
{
if (!system.output_on && system.starting==0 )
{
init=STATE0;
}
if(system.ischarging)
{
init=STATE_NORM;
}
switch(init)
{
case STATE0:
P1OUT &=~BIT4; //led 1
P2OUT &= ~(BIT5|BIT6|BIT4); //led 3 led 2
//goto sleep
init=STATE1;
break;
case STATE1:
system.starting=1;
//all led on
P1OUT |=BIT4; //led 1
P2OUT |= BIT4|BIT5 |BIT6; //led 3 led
init=STATE2;
if(system.battery_level==NN_PERCENT||system.battery_level==FULL)
{
init=STATE_NORM;
}
break;
case STATE2:
//SWITCH OFF any led
//if(system.battery_level==SF_PERCENT||syste.battery_level==NN_PERCENT||syste.battery_level==FULL)
P2OUT &=~BIT4;
init=STATE3;
if(system.battery_level==SF_PERCENT)
{
init=STATE_NORM;
}
break;
case STATE3:
P2OUT &= ~BIT5;
init=STATE4;
if(system.battery_level==FF_PERCENT)
{
init=STATE_NORM;
}
break;
case STATE4:
P2OUT &= ~BIT6;
init=STATE5;
if(system.battery_level==TF_PERCENT)
{
init=STATE_NORM;
}
break;
case STATE5:
P1OUT &=~BIT4; //led 1
init=STATE_NORM;
break;
case STATE_NORM:
system.starting=0; //animation finished
blinker++;
if((~blinker)&0x3)
{
if(system.ischarging) //turn the leds off if charing
{
switch(system.battery_level)
{
case EMPTY:
case TF_PERCENT: // 0<bat<25
P1OUT &=~BIT4; //led 1
P2OUT &= ~BIT6; // led 2
P2OUT &= ~(BIT5 );
P2OUT &=~BIT4; //led 1 2 3
break;
case FF_PERCENT:
P2OUT &= ~BIT6; // led 2
P2OUT &= ~(BIT5 );
P2OUT &=~BIT4; //led 1 2 3
break;
case SF_PERCENT:
P2OUT &= ~(BIT5 );
P2OUT &=~BIT4; //led 1 2 3
break;
case NN_PERCENT:
P2OUT &=~BIT4; //led 1 2 3
break;
case FULL:
P1OUT |=BIT4; //led 1
P2OUT |= BIT4|BIT5 |BIT6; //led 3 led
break;
}
}else
{
P1OUT &=~BIT4; //led 1
P2OUT &= ~(BIT5|BIT6|BIT4); //led 3 led 2
}
}else
{
switch(system.battery_level)
{
case EMPTY:
case TF_PERCENT: // 0<bat<25
P1OUT |=BIT4; //led 1
P2OUT &= ~(BIT5|BIT6|BIT4); //led 3 led 2
break;
case FF_PERCENT: // bat<50%
P1OUT |=BIT4;
P2OUT |= BIT6;
P2OUT &= ~(BIT5|BIT4 );
break;
case SF_PERCENT: //bat <75%
P1OUT |=BIT4;
P2OUT |=BIT6 |BIT5;
P2OUT &=~BIT4; //led 1 2 3
break;
case NN_PERCENT: //bat <=100%
case FULL:
P1OUT |=BIT4; //led 1
P2OUT |= BIT4|BIT5 |BIT6; //led 3 led
break;
}
}
}
//LPM4_EXIT;
TB1CTL &= ~TBIFG;
}
}
#define BRIGHTNESS_FIRST_STEP 20
#define BRIGHTNESS_STEP 25
#define MIN_BRIGHTNESS 5
#define MAX_BRIGHTNESS 100
enum events{KEY_EVENT_NONE,KEY_EVENT_SHORT,KEY_EVENT_LONG,KEY_EVENT_VLONG};
#pragma vector = TIMER0_B1_VECTOR //timer a0 over flor make it trig ever 333ms update display here
__interrupt void switch_press(void)
{
if(TB0CCTL2&CCIFG )
{
if(TB0CCTL2&CCI) //if input is high,
{
if(((TB0CTL&MC0)||(TB0CTL&MC1))) //timer must berunning for a valid count
{
if(TB0CCR2>MIN_SHORT_COUNT)//debounce
{
if(TB0CCR2< SHORT_PRESS_COUNT) //read the timer value to be fare short or long press , very long press is taken care by timer over flow interrupt
{
system.key_event=KEY_EVENT_SHORT;
// P2OUT ^= BIT4; debug
//genrate short press event
}else
{
system.key_event=KEY_EVENT_LONG;
// P2OUT ^= BIT5; debug
//long press event
}
} //debounce end
TB0CTL&=~(MC0|MC1);
}//timer running end
}else //if input high end
{
TB0CCR2=0;
TB0CTL|=MC_2;
TB0CTL |= TBCLR; //it clears auto
}
TB0CCTL2 &= ~(CCIFG|COV);
}
if((TB0CTL&TBIFG)) //if over flow occur then it has been very long press
{
if(!(TB0CCTL2&CCI)) //if input is low,
{
system.key_event=KEY_EVENT_VLONG;
}
//genrate very long press event
TB0CTL&=~(MC0|MC1);
TB0CTL &= ~TBIFG;
// P1OUT ^= BIT4; debug
}
}
update_IO()
{
if(system.output_on && !system.ischarging && system.battery_level!=EMPTY)
{
// system output on
//start led timer
P3OUT |= BIT4;
setPWMA0(system.brightness);
if(system.ison&BIT0)
{
setPWMA1(system.brightness);
}else
{
setPWMA1(0);
}
if(system.ison&BIT1)
{
setPWMB2(system.brightness);
}else
{
setPWMB2(0);
}
}
else
{
//stop led timer heir
//goto sleep if you want
P3OUT &= ~BIT4;
setPWMA0(0);
setPWMA1(0);
setPWMB2(0);
system.output_on=0;
}
}
int main(void) {
volatile unsigned int i=0;
system.ison=0x7;
system.brightness=10;
system.output_on =0;
WDTCTL = WDTPW | WDTHOLD; // Stop watchdog timer
P2DIR |= BIT4|BIT5|BIT6; //led 1 2 3
P1DIR |= BIT4; //led4
P3DIR |=BIT4; //system load BIT5 STAT1 BIT6 STAT2
P1DIR &=~BIT5;
P1REN |= BIT5; //Switch
P1OUT |= BIT5;
P1SEL0 |= BIT5;
P1SEL1 &= ~BIT5;
initClock();
initCCPB0();
initADC();
initLEDTIMERB1();
P1SEL1 |= BIT6 | BIT7; //SDA SCK
P1SEL1 |= BIT6 | BIT7;
EUSCI_B_I2C_masterInit(EUSCI_B_I2C_CLOCKSOURCE_SMCLK ,8000000 ,EUSCI_B_I2C_SET_DATA_RATE_100KBPS ,0,EUSCI_B_I2C_NO_AUTO_STOP );
EUSCI_B_I2C_setSlaveAddress(DPOT_I2C_ADDRESS);
EUSCI_B_I2C_setMode (EUSCI_B_I2C_TRANSMIT_MODE);
EUSCI_B_I2C_enable ();
EUSCI_B_I2C_masterMultiByteSendStart(0x10);
// EUSCI_B_I2C_masterMultiByteSendNext();
EUSCI_B_I2C_masterMultiByteSendFinish(0x40);
EUSCI_B_I2C_masterMultiByteSendStart(0x0);
// EUSCI_B_I2C_masterMultiByteSendNext();
EUSCI_B_I2C_masterMultiByteSendFinish(0xD8);
initPWMA0();
initPWMA1();
initPWMB2();
setPWMA1(0);
setPWMA0(0);
setPWMB2(0);
__enable_interrupt();
while(1)
{
switch(system.key_event)
{
case KEY_EVENT_SHORT:
system.output_on=!system.output_on;
break;
case KEY_EVENT_LONG:
if(system.brightness==MIN_BRIGHTNESS)
{
system.brightness= system.brightness+BRIGHTNESS_FIRST_STEP;
}else{
system.brightness= system.brightness+BRIGHTNESS_STEP;
}
if((system.brightness)==(MAX_BRIGHTNESS+BRIGHTNESS_STEP))
{
system.brightness= MIN_BRIGHTNESS;
}
else if(system.brightness>MAX_BRIGHTNESS)
{
system.brightness= MAX_BRIGHTNESS;
}
break;
case KEY_EVENT_VLONG:
system.ison= system.ison<<1;
if(system.ison==0)
system.ison=0x7;
break;
case KEY_EVENT_NONE:
break;
}
if(system.key_event!=KEY_EVENT_NONE || calcBatLevel() )
{
update_IO();
system.key_event=KEY_EVENT_NONE;
}
// EUSCI_B_I2C_masterMultiByteSendStart(0x0);
// EUSCI_B_I2C_masterMultiByteSendNext();
// EUSCI_B_I2C_masterMultiByteSendFinish(i++);
}
}

复制代码

Altium Designer画的LT3478 大功率led驱动器原理图和PCB图如下：(51hei附件中可下载工程文件)

所有资料51hei提供下载:

Solar_LED_MPPT_Charger-master_.zip (6.74 MB, 下载次数: 627)

ID:440014 · 发表于 2018-12-5 14:08

好资料，51黑有你更精彩!!!

ID:264734 · 发表于 2019-3-12 13:31

正在学习这个IC,收藏了,谢谢

ID:448776 · 发表于 2019-3-30 11:40

正需要谢谢

ID:294886 · 发表于 2019-4-9 15:30

谢谢分享，最近在搞bq25895，焦头烂额！

ID:528684 · 发表于 2019-5-7 09:12

能把封装库一起打包发出来嘛

ID:475858 · 发表于 2019-6-11 09:15

已经下载，挺不错的

ID:563095 · 发表于 2019-6-15 15:48

谢谢楼主，正需要

ID:111376 · 发表于 2019-7-20 08:45

好资料，谢谢楼主

ID:275042 · 发表于 2019-8-1 16:08

感谢楼主

ID:71262 · 发表于 2019-9-7 08:46

正需要谢谢

ID:617016 · 发表于 2019-9-27 09:25

好资料，参考一下！

ID:286311 · 发表于 2019-11-6 10:21

这个资料很好，楼主大好人呀

ID:68194 · 发表于 2019-12-9 14:14

感谢分享！

ID:683703 · 发表于 2020-1-8 17:07

不知道这个充电电路支持多大的充电电流，

ID:683703 · 发表于 2020-1-8 17:08

感谢分享

ID:688742 · 发表于 2020-2-1 17:28

不错，就是硬件有点

ID:720398 · 发表于 2020-4-1 17:58

这个是印度佬写的工程

ID:477524 · 发表于 2020-4-18 21:52

好资料，参考一下！

ID:297778 · 发表于 2020-10-20 09:15

好资料，楼主是个牛人

ID:4021 · 发表于 2020-11-21 22:44

没明白最后装出来是什么样子？有显示吗，外面接的是什么？水平低看不懂

ID:137526 · 发表于 2021-9-15 23:57

正在学习这个IC,收藏了,谢谢

ID:899981 · 发表于 2021-12-30 14:43

能简单说一下控制原理吗？尤其是BQ24650这个芯片，学习一下。

ID:946657 · 发表于 2022-1-18 14:00

ZHAOBAO511 发表于 2021-12-30 14:43
能简单说一下控制原理吗？尤其是BQ24650这个芯片，学习一下。

可以互相探讨一下吗

ID:1009425 · 发表于 2022-10-5 20:29

这个板子费钻头，不知道那么多过孔干嘛的

ID:554177 · 发表于 2022-10-5 23:40

好，收藏待用

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BQ24650 MPPT太阳能控制器msp430单片机源码+电路图与PCB文件+LT3478 LED驱动

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