TCAN1042VDRBRQ1 Detailed explanation of pin function specifications and circuit principle instructions

The part number "TCAN1042VDRBRQ1" corresponds to a CAN transceiver (Controller Area Network transceiver) produced by Texas Instruments. It is a part of their automotive-grade CAN transceiver family. The "VDRBRQ1" suffix indicates the package type and the automotive qualification.

Detailed Information:

Brand: Texas Instruments (TI) Package: The package type for the TCAN1042VDRBRQ1 is SOT-23-5, a small-outline transistor package with 5 pins. Pinout and Function List: Here’s a breakdown of the pin configuration for the TCAN1042VDRBRQ1. Since this device uses a 5-pin SOT-23 package, there are only 5 pins to describe. Pin Pin Name Pin Function Description 1 VCC Supply voltage pin. This is where the positive power supply (typically 3.3V to 5V) is connected. 2 CAN_H CAN bus High, this pin is connected to the CAN high signal (differential signal line for the CAN network). 3 CAN_L CAN bus Low, this pin is connected to the CAN low signal (differential signal line for the CAN network). 4 RXD Receive Data, this pin outputs the received CAN message in a logic level format (either high or low) to the connected controller. 5 TXD Transmit Data, this pin is used to input the CAN message from the microcontroller for transmission onto the CAN bus.

Circuit Principles:

The TCAN1042VDRBRQ1 is a differential transceiver for the CAN bus that allows bidirectional communication in noisy environments, which is typical in automotive applications. The CAN bus uses differential signaling between the CANH and CANL lines for high noise immunity, while the TXD and RXD pins are used for communication with the microcontroller or other network devices.

20 FAQ for the TCAN1042VDRBRQ1:

Q: What is the supply voltage range for TCAN1042VDRBRQ1? A: The supply voltage range is 3.0V to 5.5V for the TCAN1042VDRBRQ1.

Q: What is the data rate for the TCAN1042VDRBRQ1? A: The TCAN1042VDRBRQ1 supports data rates up to 1 Mbps.

Q: What is the purpose of the CANH and CANL pins? A: The CANH and CANL pins are used for the differential signaling on the CAN bus. CANH is for the high signal, and CANL is for the low signal.

Q: How is the TCAN1042VDRBRQ1 powered? A: It is powered by connecting a voltage source to the VCC pin, which can range from 3.0V to 5.5V.

Q: What does the RXD pin do? A: The RXD pin is the receive data output, which transmits the logic-level CAN data from the transceiver to the microcontroller or controller unit.

Q: What does the TXD pin do? A: The TXD pin is used to input CAN messages to be transmitted onto the CAN bus from the microcontroller or device.

Q: What is the operating temperature range for the TCAN1042VDRBRQ1? A: The TCAN1042VDRBRQ1 has an operating temperature range from -40°C to +125°C, making it suitable for automotive applications.

Q: Is the TCAN1042VDRBRQ1 automotive-grade? A: Yes, the TCAN1042VDRBRQ1 is automotive-qualified, meeting AEC-Q100 standards for automotive-grade components.

Q: Can I use the TCAN1042VDRBRQ1 in industrial applications? A: While the TCAN1042VDRBRQ1 is designed for automotive use, it can be used in industrial CAN bus applications if the environmental conditions are within the specified range.

**Q: What is the role of the *VCC* pin in the TCAN1042VDRBRQ1?** A: The VCC pin provides the power supply to the transceiver and powers its internal circuitry.

Q: How does the TCAN1042VDRBRQ1 handle noise? A: The TCAN1042VDRBRQ1 uses differential signaling on the CANH and CANL pins, which helps reduce noise and improve data transmission integrity in noisy environments.

Q: What are the possible fault conditions that the TCAN1042VDRBRQ1 can detect? A: The TCAN1042VDRBRQ1 can detect fault conditions like bus-off, arbitration lost, and other CAN protocol errors.

Q: How many pins does the TCAN1042VDRBRQ1 have? A: The TCAN1042VDRBRQ1 has 5 pins in its SOT-23-5 package.

Q: Can the TCAN1042VDRBRQ1 interface with a microcontroller directly? A: Yes, the TXD and RXD pins can interface directly with the microcontroller to send and receive data.

**Q: What is the maximum bus voltage for the *CANH* and CANL pins?** A: The CANH and CANL pins can typically handle voltages up to 24V, depending on the environment and system design.

Q: What type of fault tolerance does the TCAN1042VDRBRQ1 provide? A: The TCAN1042VDRBRQ1 provides fault tolerance in the form of short-circuit protection, over-voltage protection, and thermal shutdown.

Q: Can the TCAN1042VDRBRQ1 be used in CAN FD (Flexible Data-rate) applications? A: No, the TCAN1042VDRBRQ1 is designed for standard CAN 2.0 protocol and does not support CAN FD.

Q: What is the maximum CAN bus length supported by the TCAN1042VDRBRQ1? A: The bus length depends on the transmission speed and cable type, but it generally supports up to 40 meters at 1 Mbps.

Q: Is the TCAN1042VDRBRQ1 compatible with 12V and 24V automotive systems? A: Yes, it is designed for both 12V and 24V automotive systems, suitable for integration in vehicles.

Q: Does the TCAN1042VDRBRQ1 have thermal protection? A: Yes, the TCAN1042VDRBRQ1 includes thermal shutdown to protect the device from overheating.

If you need more information or further clarification, feel free to ask!