Other NXP ProductsのトピックRe: CAN Transceiver short mode

Other NXP ProductsのトピックRe: CAN Transceiver short mode https://community.nxp.com/t5/Other-NXP-Products/CAN-Transceiver-short-mode/m-p/716792#M5301 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>the TJA1043 is only able to detect some kind of bus failures.</P><P>The bus failure diagnosis is discussed in AN1014 in chapter 6.6; <A href="http://www.nxp.com/documents/report/AH1014_v1_4_Application_Hints_TJA1042_43_48_51.pdf">http://www.nxp.com/documents/report/AH1014_v1_4_Application_Hints_TJA1042_43_48_51.pdf</A></P><P>Chapter 6.9 also gives you suggestion for the SW flow for handling failures.</P><P></P><P>BR, Petr</P></BODY></HTML> Mon, 16 Apr 2018 12:16:37 GMT PetrS 2018-04-16T12:16:37Z CAN Transceiver short mode https://community.nxp.com/t5/Other-NXP-Products/CAN-Transceiver-short-mode/m-p/716791#M5300 <HTML><HEAD></HEAD><BODY><P>Hi, I am checking that our board is protected form short circuit.</P><P style="padding: 0px; min-height: 8pt;"> </P><P>We use TJA1043T(can transceiver).</P><P>Question 1.CANH & CANL are shorted during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P>Question 2.CANH & GND are shorted during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P>Question 3.CANH & Vcc are shorted during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P>Question 4.CANH is opened during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P>Question 5.CANL & GND are shorted during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P>Question 6.CANL & Vcc are shorted during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P>Question 7.CANL is opened during communication.</P><P>Does TJA1043's protection circuit operate?</P><P>Should we protect TJA1043 with software by detecting ERR_N? </P><P>If software protection is necessary, how many seconds will it break down in the shortest time?</P><P style="padding: 0px; min-height: 8pt;"> </P><P style="padding: 0px; min-height: 8pt;"> </P><P>If the shortest failure time is unknown, please answer other questions.</P><P style="padding: 0px; min-height: 8pt;"> </P><P>best regard.</P></BODY></HTML> Tue, 20 Mar 2018 02:20:19 GMT https://community.nxp.com/t5/Other-NXP-Products/CAN-Transceiver-short-mode/m-p/716791#M5300 恵介松上 2018-03-20T02:20:19Z Re: CAN Transceiver short mode https://community.nxp.com/t5/Other-NXP-Products/CAN-Transceiver-short-mode/m-p/716792#M5301 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>the TJA1043 is only able to detect some kind of bus failures.</P><P>The bus failure diagnosis is discussed in AN1014 in chapter 6.6; <A href="http://www.nxp.com/documents/report/AH1014_v1_4_Application_Hints_TJA1042_43_48_51.pdf">http://www.nxp.com/documents/report/AH1014_v1_4_Application_Hints_TJA1042_43_48_51.pdf</A></P><P>Chapter 6.9 also gives you suggestion for the SW flow for handling failures.</P><P></P><P>BR, Petr</P></BODY></HTML> Mon, 16 Apr 2018 12:16:37 GMT https://community.nxp.com/t5/Other-NXP-Products/CAN-Transceiver-short-mode/m-p/716792#M5301 PetrS 2018-04-16T12:16:37Z