Overview
The NCV7349D13R2G is a high-speed, low-power CAN (Controller Area Network) transceiver produced by onsemi. This device serves as the interface between a CAN protocol controller and the physical bus, providing differential transmit and receive capabilities. It is part of the NCV734x CAN transceiver family and is designed to meet the ISO 11898-5 standard. The NCV7349D13R2G is particularly notable for its high electromagnetic immunity and low electromagnetic emission, making it suitable for demanding applications such as automotive and industrial networks.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| VCC (Power Supply Voltage) | 4.75 (4.5) | 5.25 (5.5) | V | ||
| VUV (Undervoltage Detection Voltage on VCC) | 2 | 3 | 4 | V | |
| VCANH, CANL (DC Voltage at CANH and CANL) | 0 < VCC < 5.5 V; no time limit | -50 | 50 | V | |
| ICC (Supply Current in Dominant State) | VTxD = 0 V | 48 | 75 | 100 | mA |
| ICCS (Supply Current in Standby Mode) | TJ ≤ 100°C | 10 | 15 | μA | |
| VIO (Supply Voltage on VIO Pin) | NCV7349-3 version only | 2.8 | 5.5 | V | |
| tpd (Propagation Delay TxD to RxD) | NCV7349-3 version, Ci = 100 pF | 130 | 250 | ns | |
| TJ (Junction Temperature) | -40 | 150 | °C |
Key Features
- Compatible with the ISO 11898-5 Standard
- High-speed operation up to 1 Mbps
- VIO pin on NCV7349-3 version for direct interfacing with 3 V to 5 V microcontrollers
- Very low current standby mode with wake-up via the bus
- Low electromagnetic emission (EME) and high electromagnetic immunity
- No disturbance of the bus lines with an un-powered node
- Transmit data (TxD) dominant time-out function
- Thermal protection and bus pins short circuit proof to supply voltage and ground
- Bus pins protected against transients in automotive applications
- Very high ESD robustness of bus pins (>10 kV system ESD pulses)
Applications
The NCV7349D13R2G is primarily used in automotive and industrial network applications. Its robust design and compliance with automotive standards make it suitable for use in vehicles and other automotive systems. Additionally, its high reliability and low power consumption make it a good fit for industrial networks and other applications requiring reliable CAN communication.
Q & A
- What is the primary function of the NCV7349D13R2G?
The NCV7349D13R2G serves as the interface between a CAN protocol controller and the physical bus, providing differential transmit and receive capabilities. - What is the operating voltage range for the NCV7349D13R2G?
The device operates within a power supply voltage range of 4.75 V to 5.25 V, with some functionality maintained between 4.5 V to 4.75 V and 5.25 V to 5.5 V. - What is the significance of the VIO pin on the NCV7349-3 version?
The VIO pin allows direct interfacing with 3 V to 5 V microcontrollers, ensuring proper I/O level adjustment between the microcontroller and the transceiver. - How does the NCV7349D13R2G handle electromagnetic interference?
The device features low electromagnetic emission (EME) and high electromagnetic immunity, making it robust against electromagnetic interference. - What are the operating modes of the NCV7349D13R2G?
The device has two operating modes: normal mode and standby mode, selectable via the STB pin. - What is the propagation delay for the NCV7349-3 version?
The propagation delay from TxD to RxD for the NCV7349-3 version is up to 250 ns. - Is the NCV7349D13R2G protected against automotive electrical transients?
Yes, the bus pins are protected against automotive electrical transients according to ISO 7637. - What is the junction temperature range for the NCV7349D13R2G?
The device operates within a junction temperature range of -40°C to 150°C. - Is the NCV7349D13R2G ESD robust?
Yes, the device has very high ESD robustness, withstanding >10 kV system ESD pulses. - What are the typical applications for the NCV7349D13R2G?
The device is typically used in automotive and industrial network applications.
