The part number "ISO1042BQDWVRQ1" belongs to Texas Instruments (TI). This component is part of the ISO1042 series, which is an isolated CAN transceiver designed for automotive and industrial applications, with a focus on robust isolation.
Here’s a detailed breakdown of the device specifications and pin functions based on the typical use of the ISO1042BQDWVRQ1 package:
Package Type:
ISO1042BQDWVRQ1 is in a 16-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit), depending on the variant.Detailed Pin Function List:
Since the ISO1042BQDWVRQ1 is a 16-pin device, the function of each pin is as follows:
Pin Number Pin Name Pin Function Description 1 VCC Power supply pin for the device (typically 3.3V or 5V depending on the operating conditions). 2 CANH CAN High signal pin used for communication with the CAN bus. 3 CANL CAN Low signal pin used for communication with the CAN bus. 4 GND Ground pin for the device. 5 VREF Voltage reference pin for the CAN transceiver. This sets the reference voltage for the CAN communication. 6 TXD (Transmitter Data) Transmit data input pin. The device sends the data from this pin to the CAN bus. 7 RXD (Receiver Data) Receive data output pin. The device outputs the data received from the CAN bus on this pin. 8 EN Enable pin for the device. When asserted, the transceiver is enabled, allowing data transmission and reception. 9 ISO IN+ Positive input for isolation. This pin typically connects to a circuit that isolates the device from the primary side. 10 ISO IN- Negative input for isolation. This pin works in conjunction with ISO IN+ to ensure signal integrity and isolation. 11 RST Reset pin for the transceiver. When asserted, the device resets and goes into a known state. 12 NC No connection. This pin is not internally connected and is used for physical space or design flexibility. 13 VDD2 A secondary power supply pin for certain configurations of the device or additional isolation. 14 VDD3 Another power supply pin, depending on the specific configuration of the device. 15 NC No connection. 16 GND Ground pin for the second section of the isolation circuit.20 Common FAQs:
Q: What is the ISO1042BQDWVRQ1? A: The ISO1042BQDWVRQ1 is an isolated CAN transceiver designed for automotive and industrial applications, offering robust isolation between the CAN controller and the CAN bus.
Q: How many pins does the ISO1042BQDWVRQ1 have? A: The ISO1042BQDWVRQ1 has 16 pins.
Q: What is the function of the "CANH" pin? A: The "CANH" pin is used to transmit and receive high-level signals for CAN communication.
Q: Can I use the ISO1042BQDWVRQ1 with a 5V supply? A: Yes, the ISO1042BQDWVRQ1 supports 5V power supply operation.
Q: What voltage is required for the VCC pin? A: The VCC pin typically requires 3.3V or 5V depending on the application.
Q: What is the purpose of the "TXD" pin? A: The "TXD" pin is used to transmit data from the microcontroller or other sources to the CAN bus.
Q: Can I use the device in a high-speed CAN system? A: Yes, the ISO1042BQDWVRQ1 supports high-speed CAN communication, suitable for up to 1 Mbps.
Q: What is the "GND" pin used for? A: The "GND" pin is used as the ground reference for the device's operation.
Q: What is the function of the "RXD" pin? A: The "RXD" pin outputs the received data from the CAN bus to the microcontroller or other receiving devices.
Q: Can I use the device without the "VREF" pin? A: No, the "VREF" pin is necessary for setting the reference voltage for the CAN communication.
Q: What does the "EN" pin do? A: The "EN" pin is used to enable or disable the device’s operation.
Q: How do I reset the ISO1042BQDWVRQ1? A: The device can be reset using the "RST" pin by asserting it to initiate a reset.
Q: What is the isolation voltage of the device? A: The ISO1042BQDWVRQ1 offers galvanic isolation up to 2500Vrms.
Q: Can I use the ISO1042BQDWVRQ1 in automotive applications? A: Yes, this device is designed for automotive applications and is compliant with the AEC-Q100 qualification for automotive reliability.
Q: Is the ISO1042BQDWVRQ1 available in different package types? A: Yes, the ISO1042BQDWVRQ1 is available in both SOIC and DIP package options.
Q: What is the "NC" pin for? A: The "NC" pin has no internal connection and is used for package design flexibility.
Q: How does the ISO1042BQDWVRQ1 ensure signal integrity? A: The device uses isolation to protect against noise and voltage spikes, ensuring the integrity of the CAN communication signals.
Q: Can I use the device with low-voltage CAN systems? A: Yes, the ISO1042BQDWVRQ1 is compatible with low-voltage CAN systems.
Q: Does the device support both 3.3V and 5V logic levels? A: Yes, the device supports both 3.3V and 5V logic levels, making it versatile for various applications.
Q: What is the maximum data rate supported by the ISO1042BQDWVRQ1? A: The maximum data rate supported is 1 Mbps, suitable for most high-speed CAN applications.
This detailed information includes the full pinout functions and FAQs. The data provided should meet your requirement for a comprehensive explanation of the component.
