1.一種用于雙控epb?h橋驅動信(xin)號切換的電路,其特征在(zai)于:
2.根據權利要求(qiu)1所述的一種用于雙控(kong)epb?h橋(qiao)驅動信號切換的電路,其特征在于:所述的主控(kong)mcu1微控(kong)制單元與備份mcu2微控(kong)制單元之間(jian)通訊連接。
3.根據權利要求2所述的一種用于雙控epb?h橋驅動信號(hao)切(qie)換的電路,其(qi)特(te)征在于:所述的微(wei)控芯片mcu1的ps1/txd0引(yin)腳與微(wei)控芯片mcu2的ps0/rxd0引(yin)腳相連,微(wei)控芯片mcu1的ps0/rxd0引(yin)腳與微(wei)控芯片mcu2的ps1/txd0引(yin)腳相連。
4.根據權利要(yao)求1一種用于(yu)(yu)雙控epb?h橋驅動(dong)信號切換的電(dian)(dian)路,其特征在(zai)于(yu)(yu):所(suo)述主控電(dian)(dian)源管理(li)模塊(1)包括(kuo)電(dian)(dian)源管理(li)芯片u5,電(dian)(dian)源管理(li)芯片u5的vsup引(yin)腳(jiao)(jiao)連(lian)接車載電(dian)(dian)源vbat,電(dian)(dian)源管理(li)芯片u5的rst引(yin)腳(jiao)(jiao)經電(dian)(dian)阻r16和vcc1引(yin)腳(jiao)(jiao)連(lian)接,vdd引(yin)腳(jiao)(jiao)輸出電(dian)(dian)源vcc1;
5.根(gen)據權利要求1所(suo)述(shu)的一(yi)種用于雙控epb?h橋(qiao)驅(qu)動(dong)信號切換(huan)的電路,其特征在于:所(suo)述(shu)主控mcu1微控制(zhi)單元(yuan)包(bao)(bao)括(kuo)(kuo)微控芯(xin)片mcu1,微控芯(xin)片mcu1作為主控微控芯(xin)片;所(suo)述(shu)備(bei)份mcu2微控制(zhi)單元(yuan)包(bao)(bao)括(kuo)(kuo)微控芯(xin)片mcu2,微控芯(xin)片mcu2作為備(bei)份微控芯(xin)片。
6.根(gen)據權(quan)利要求5所述的(de)(de)一種用于(yu)雙(shuang)控(kong)(kong)(kong)epb?h橋驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)的(de)(de)電(dian)路,其特(te)征在于(yu):所述驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)模塊包括驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4;微(wei)(wei)控(kong)(kong)(kong)芯(xin)(xin)片(pian)(pian)mcu1的(de)(de)pp1引腳(jiao)(jiao)與驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4的(de)(de)1b1引腳(jiao)(jiao)相(xiang)(xiang)(xiang)連,微(wei)(wei)控(kong)(kong)(kong)芯(xin)(xin)片(pian)(pian)mcu1的(de)(de)pp0引腳(jiao)(jiao)與驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4的(de)(de)2b1引腳(jiao)(jiao)相(xiang)(xiang)(xiang)連;微(wei)(wei)控(kong)(kong)(kong)芯(xin)(xin)片(pian)(pian)mcu2的(de)(de)pp2引腳(jiao)(jiao)與驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4的(de)(de)s引腳(jiao)(jiao)相(xiang)(xiang)(xiang)連,驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4的(de)(de)s引腳(jiao)(jiao)經(jing)電(dian)阻(zu)r18接地,微(wei)(wei)控(kong)(kong)(kong)芯(xin)(xin)片(pian)(pian)mcu2的(de)(de)pp1引腳(jiao)(jiao)與驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4的(de)(de)1b2引腳(jiao)(jiao)相(xiang)(xiang)(xiang)連,微(wei)(wei)控(kong)(kong)(kong)芯(xin)(xin)片(pian)(pian)mcu2的(de)(de)pp0引腳(jiao)(jiao)與驅(qu)動(dong)信(xin)(xin)號(hao)(hao)(hao)切換(huan)芯(xin)(xin)片(pian)(pian)u4的(de)(de)2b2引腳(jiao)(jiao)相(xiang)(xiang)(xiang)連。
7.根據權利要(yao)求5所述(shu)的(de)(de)一(yi)種(zhong)用于雙控epb?h橋驅動信號切換(huan)的(de)(de)電(dian)(dian)(dian)(dian)路,其特(te)征在(zai)于:所述(shu)驅動電(dian)(dian)(dian)(dian)壓切換(huan)模塊包含三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q2、三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q3和復(fu)(fu)合(he)(he)(he)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)u2,復(fu)(fu)合(he)(he)(he)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)u2主要(yao)由兩個(ge)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)構成,復(fu)(fu)合(he)(he)(he)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)u2的(de)(de)第(di)一(yi)個(ge)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)的(de)(de)發(fa)射極(ji)(ji)(ji)(ji)(ji)接(jie)(jie)地,基(ji)極(ji)(ji)(ji)(ji)(ji)引腳連接(jie)(jie)到(dao)微控芯(xin)片mcu1的(de)(de)pb0驅動口(kou),集(ji)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)經電(dian)(dian)(dian)(dian)阻r6連接(jie)(jie)到(dao)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q3的(de)(de)基(ji)極(ji)(ji)(ji)(ji)(ji),復(fu)(fu)合(he)(he)(he)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)u2的(de)(de)第(di)二個(ge)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)的(de)(de)發(fa)射極(ji)(ji)(ji)(ji)(ji)接(jie)(jie)地,基(ji)極(ji)(ji)(ji)(ji)(ji)引腳連接(jie)(jie)到(dao)微控芯(xin)片mcu2的(de)(de)pb0驅動口(kou),集(ji)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)經電(dian)(dian)(dian)(dian)阻r7連接(jie)(jie)到(dao)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q2的(de)(de)基(ji)極(ji)(ji)(ji)(ji)(ji),三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q2、三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q3的(de)(de)發(fa)射極(ji)(ji)(ji)(ji)(ji)分別連接(jie)(jie)電(dian)(dian)(dian)(dian)源vcc2、電(dian)(dian)(dian)(dian)源vcc1,三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q2和三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)q3的(de)(de)集(ji)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)連接(jie)(jie)在(zai)一(yi)起并作(zuo)為電(dian)(dian)(dian)(dian)源vcc的(de)(de)輸出端。
8.根據權利要求1所述(shu)(shu)的(de)一種(zhong)用(yong)于雙控epb?h橋驅(qu)(qu)(qu)(qu)動(dong)(dong)信(xin)號(hao)(hao)(hao)切(qie)換(huan)的(de)電路(lu),其特(te)征在(zai)于:所述(shu)(shu)駐(zhu)車(che)(che)(che)h橋預(yu)驅(qu)(qu)(qu)(qu)芯(xin)片(pian)包括駐(zhu)車(che)(che)(che)h橋預(yu)驅(qu)(qu)(qu)(qu)動(dong)(dong)芯(xin)片(pian)u7;所述(shu)(shu)驅(qu)(qu)(qu)(qu)動(dong)(dong)信(xin)號(hao)(hao)(hao)切(qie)換(huan)芯(xin)片(pian)u4的(de)1a引(yin)腳(jiao)(jiao)(jiao)(jiao)連接(jie)到(dao)駐(zhu)車(che)(che)(che)h橋預(yu)驅(qu)(qu)(qu)(qu)動(dong)(dong)芯(xin)片(pian)u7的(de)in1引(yin)腳(jiao)(jiao)(jiao)(jiao),驅(qu)(qu)(qu)(qu)動(dong)(dong)信(xin)號(hao)(hao)(hao)切(qie)換(huan)芯(xin)片(pian)u4的(de)2a引(yin)腳(jiao)(jiao)(jiao)(jiao)連接(jie)到(dao)駐(zhu)車(che)(che)(che)h橋預(yu)驅(qu)(qu)(qu)(qu)動(dong)(dong)芯(xin)片(pian)u7的(de)in2引(yin)腳(jiao)(jiao)(jiao)(jiao),驅(qu)(qu)(qu)(qu)動(dong)(dong)信(xin)號(hao)(hao)(hao)切(qie)換(huan)芯(xin)片(pian)u4的(de)vcc引(yin)腳(jiao)(jiao)(jiao)(jiao)連接(jie)電源(yuan)vcc,驅(qu)(qu)(qu)(qu)動(dong)(dong)信(xin)號(hao)(hao)(hao)切(qie)換(huan)芯(xin)片(pian)u4的(de)oe引(yin)腳(jiao)(jiao)(jiao)(jiao)接(jie)地。
9.根據權利(li)要求1所(suo)述的一(yi)(yi)種用于(yu)雙控epb?h橋驅(qu)動信號切換的電(dian)(dian)路(lu),其特征在(zai)于(yu):所(suo)述的駐車(che)驅(qu)動h橋電(dian)(dian)路(lu)包括mos管(guan)(guan)(guan)q5~mos管(guan)(guan)(guan)q8,mos管(guan)(guan)(guan)q6的源極和mos管(guan)(guan)(guan)q7的漏(lou)極連接(jie)到電(dian)(dian)機m的一(yi)(yi)端,電(dian)(dian)機m的另一(yi)(yi)端和mos管(guan)(guan)(guan)q5的源極、mos管(guan)(guan)(guan)q8的漏(lou)極連接(jie),mos管(guan)(guan)(guan)q6和mos管(guan)(guan)(guan)q5的漏(lou)極均一(yi)(yi)起連接(jie)到車(che)載電(dian)(dian)源vbat,mos管(guan)(guan)(guan)q7和mos管(guan)(guan)(guan)q8的源極均接(jie)地;
10.應用于(yu)權(quan)利要求1所述(shu)電路的(de)一種用于(yu)雙控epb?h橋(qiao)驅(qu)動信號切(qie)換(huan)的(de)方法(fa),其特征(zheng)在于(yu):方法(fa)包含兩(liang)種模(mo)(mo)式:正常模(mo)(mo)式與失效模(mo)(mo)式;