{"product_id":"tja1042-tja1051-can-bus-transceiver-module-iso11898-arduino-esp32","title":"TJA1042 \/ TJA1051 High-Speed CAN Bus Transceiver Module — ISO 11898, Arduino, ESP32","description":"\u003ch2\u003eTJA1042 \/ TJA1051 — High-Speed CAN Bus Transceiver Module, ISO 11898\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTJA1042\u003c\/strong\u003e and \u003cstrong\u003eTJA1051\u003c\/strong\u003e are \u003cstrong\u003ehigh-speed CAN bus transceiver modules\u003c\/strong\u003e from NXP — the physical layer interface between a CAN controller (ESP32, STM32, MCP2515) and the CAN bus differential pair (CANH\/CANL). CAN bus is the standard communication protocol in \u003cstrong\u003eautomotive ECUs, industrial automation, and robotics\u003c\/strong\u003e. These transceivers support \u003cstrong\u003eISO 11898-2 high-speed CAN at up to 1Mbps\u003c\/strong\u003e with ultra-low power standby mode.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTJA1042\u003c\/th\u003e\n\u003cth\u003eTJA1051\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eISO 11898-2\u003c\/td\u003e\n\u003ctd\u003eISO 11898-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Data Rate\u003c\/td\u003e\n\u003ctd\u003e1Mbps\u003c\/td\u003e\n\u003ctd\u003e1Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eCC\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e4.5V – 5.5V\u003c\/td\u003e\n\u003ctd\u003e4.5V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V \/ 5V compatible\u003c\/td\u003e\n\u003ctd\u003e3.3V \/ 5V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Mode\u003c\/td\u003e\n\u003ctd\u003eYes (low power)\u003c\/td\u003e\n\u003ctd\u003eYes (low power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Fault Protection\u003c\/td\u003e\n\u003ctd\u003e±58V\u003c\/td\u003e\n\u003ctd\u003e±58V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +150°C\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage (IC)\u003c\/td\u003e\n\u003ctd\u003eSO8 \/ DFN8\u003c\/td\u003e\n\u003ctd\u003eSO8 \/ DFN8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Form Factor\u003c\/td\u003e\n\u003ctd\u003eBreakout board with screw terminals\u003c\/td\u003e\n\u003ctd\u003eBreakout board with screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTJA1042 vs TJA1051 — Key Differences\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eTJA1042\u003c\/th\u003e\n\u003cth\u003eTJA1051\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Wake-up\u003c\/td\u003e\n\u003ctd\u003eRemote wake-up via CAN bus ✅\u003c\/td\u003e\n\u003ctd\u003eNo remote wake-up ❌\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Temp\u003c\/td\u003e\n\u003ctd\u003e+150°C (AEC-Q100 Grade 0)\u003c\/td\u003e\n\u003ctd\u003e+125°C (AEC-Q100 Grade 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eAutomotive (engine bay)\u003c\/td\u003e\n\u003ctd\u003eGeneral automotive \u0026amp; industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose TJA1042\/TJA1051?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 11898-2 compliant\u003c\/strong\u003e — industry-standard CAN physical layer for guaranteed interoperability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1Mbps data rate\u003c\/strong\u003e — maximum CAN bus speed for high-speed automotive and industrial networks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±58V bus fault protection\u003c\/strong\u003e — survives wiring faults and load dump transients\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V\/5V I\/O compatible\u003c\/strong\u003e — works directly with ESP32, STM32, Arduino, and Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low standby current\u003c\/strong\u003e — ideal for battery-powered CAN nodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreakout module\u003c\/strong\u003e — screw terminals for CANH\/CANL, VCC, GND, and TXD\/RXD\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive OBD-II \/ ECU interface\u003c\/strong\u003e — read vehicle CAN bus data with ESP32 or STM32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial automation\u003c\/strong\u003e — CANopen and DeviceNet node physical layer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics\u003c\/strong\u003e — multi-axis servo communication over CAN bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV battery management\u003c\/strong\u003e — BMS cell monitoring over CAN network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino CAN bus projects\u003c\/strong\u003e — use with MCP2515 CAN controller module\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003eWorks with \u003cstrong\u003eMCP2515 CAN controller\u003c\/strong\u003e (SPI interface), \u003cstrong\u003eESP32 built-in TWAI\/CAN controller\u003c\/strong\u003e, \u003cstrong\u003eSTM32 bxCAN\u003c\/strong\u003e, and \u003cstrong\u003eRaspberry Pi with MCP2515 HAT\u003c\/strong\u003e. Compatible with \u003cstrong\u003eArduino CAN libraries\u003c\/strong\u003e (arduino-CAN, mcp_can).\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Do I need a CAN controller IC separately?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The TJA1042\/TJA1051 is a transceiver (physical layer only). You need a CAN controller such as MCP2515 (SPI) or use the built-in CAN\/TWAI peripheral in ESP32 or STM32.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What termination resistor is needed?\u003c\/strong\u003e\u003cbr\u003eA: CAN bus requires 120Ω termination at each end of the bus. Many modules include an onboard 120Ω resistor that can be enabled via jumper.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can TJA1042 be used with 3.3V microcontrollers?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The TXD\/RXD I\/O pins are compatible with 3.3V logic levels, making it suitable for ESP32, STM32, and other 3.3V systems.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× TJA1042 or TJA1051 CAN Bus Transceiver Module (as selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"TJA1051 \/ 5PCS","offer_id":46991475048683,"sku":"14:350852#TJA1051;3:1981284404#5PCS","price":20.72,"currency_code":"USD","in_stock":true},{"title":"TJA1042 \/ 5PCS","offer_id":46991475081451,"sku":"14:1202#TJA1042;3:1981284404#5PCS","price":20.72,"currency_code":"USD","in_stock":true},{"title":"TJA1051 \/ 1PCS","offer_id":46991475114219,"sku":"14:350852#TJA1051;3:201010228#1PCS","price":4.8,"currency_code":"USD","in_stock":true},{"title":"TJA1042 \/ 1PCS","offer_id":46991475146987,"sku":"14:1202#TJA1042;3:201010228#1PCS","price":4.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tja1042-tja1051-can-transceiver-module-arduino.webp?v=1761631075","url":"https:\/\/keszoox.com\/products\/tja1042-tja1051-can-bus-transceiver-module-iso11898-arduino-esp32","provider":"Keszoox","version":"1.0","type":"link"}