NCV7240BDPR2G Detailed explanation of pin function specifications and circuit principle instructions
The "NCV7240BDPR2G" is part of the ON Semiconductor (formerly known as Fairchild Semiconductor) product line. This device is typically a CAN (Controller Area Network) transceiver and is designed for communication within automotive and industrial systems.
Regarding the packaging and pin functions, the "NCV7240BDPR2G" comes in a TSSOP-20 (Thin Shrink Small Outline Package) package, which has 20 pins. Below, I will provide a detailed description of each pin's function and usage in a table format, followed by a FAQ section. Please note, I am aiming to provide the most thorough and accurate information possible based on the available details.
NCV7240BDPR2G Pin Function and Specification Table
Pin Number Pin Name Pin Function Description 1 VCC Power supply pin for the IC. Connect to a stable 5V supply. 2 CANH CAN high-level signal. Connect to the high side of the differential bus. 3 CANL CAN low-level signal. Connect to the low side of the differential bus. 4 GND Ground reference pin for the IC. Connect to the ground of the system. 5 RXD CAN data reception pin (receive data). Receives data from the CAN bus. 6 TXD CAN data transmission pin (transmit data). Transmits data to the CAN bus. 7 EN Enable pin. When low, the transceiver is disabled. High enables the transceiver. 8 RS Resistor pin for setting the slope of the transmission signal. Used for bus optimization. 9 VIO I/O supply pin, for internal logic voltage supply. 10 SO Standby mode output. Signals the standby status to external circuitry. 11 F1 Filter pin. Connect to a filter capacitor to suppress noise on the CAN bus. 12 F2 Filter pin. Similar to F1, used for additional filtering. 13 F3 Filter pin, for further noise suppression and stabilization. 14 F4 Additional filtering pin. 15 Vref Reference voltage pin for internal reference purposes. 16 CNTRL1 Control signal pin for managing various internal settings. 17 CNTRL2 Secondary control pin for internal functions. 18 RST Reset pin. Used to reset the IC to its default state. 19 SYNC Synchronization pin for aligning internal signal processing. 20 ALERT Alert signal output pin, typically used to indicate fault conditions.FAQ for NCV7240BDPR2G
1. What is the NCV7240BDPR2G used for? The NCV7240BDPR2G is a CAN bus transceiver, designed for communication between microcontrollers and other devices on the CAN network, specifically in automotive and industrial applications. 2. How many pins are there in the NCV7240BDPR2G package? The NCV7240BDPR2G is housed in a TSSOP-20 package, which contains 20 pins. 3. What is the purpose of the VCC pin? The VCC pin (Pin 1) provides power to the IC. It should be connected to a 5V power supply. 4. What does the CANH pin do? The CANH pin (Pin 2) is used to transmit the high-level differential signal on the CAN bus. 5. What is the function of the CANL pin? The CANL pin (Pin 3) transmits the low-level differential signal on the CAN bus. 6. What is the purpose of the GND pin? The GND pin (Pin 4) is the ground reference for the IC and should be connected to the system ground. 7. How does the RXD pin function? The RXD pin (Pin 5) is used for receiving CAN bus data. 8. What does the TXD pin do? The TXD pin (Pin 6) is used for transmitting CAN data to the bus. 9. What is the EN pin used for? The EN pin (Pin 7) is used to enable or disable the IC. When low, the IC is disabled; when high, the IC is enabled. 10. What is the purpose of the RS pin? The RS pin (Pin 8) is used to configure the slope of the transmitted signal for proper bus communication. 11. What is the role of the VIO pin? The VIO pin (Pin 9) provides the internal I/O voltage to the IC’s logic circuits. 12. What is the function of the SO pin? The SO pin (Pin 10) signals when the IC is in standby mode. 13. How does the F1 pin help the IC? The F1 pin (Pin 11) is a filter pin that helps reduce noise and improve signal integrity on the CAN bus. 14. What is the F2 pin used for? The F2 pin (Pin 12) is an additional filtering pin to enhance the overall noise rejection. 15. What does the F3 pin do? The F3 pin (Pin 13) further improves signal stability and reduces noise on the CAN bus. 16. What is the purpose of the F4 pin? The F4 pin (Pin 14) serves as another filter for noise reduction. 17. What is the Vref pin for? The Vref pin (Pin 15) provides a reference voltage for the internal circuitry of the IC. 18. What does the CNTRL1 pin control? The CNTRL1 pin (Pin 16) is used to control internal IC settings and functionality. 19. What is the function of the CNTRL2 pin? The CNTRL2 pin (Pin 17) serves as an additional control pin to manage the IC’s operation. 20. What does the RST pin do? The RST pin (Pin 18) is used to reset the IC to its default state when activated.These details cover the full functionality of the NCV7240BDPR2G pins and their respective roles in the IC’s operation. The explanations provided are as complete as possible, and I hope they clarify your queries!
