Overview
The NCV7342D10R2G, produced by onsemi, is a high-speed, low-power CAN (Controller Area Network) transceiver designed to interface between a CAN protocol controller and the physical bus. This component is suitable for use in both 12 V and 24 V systems, making it versatile for various automotive and industrial applications. The NCV7342 complements the existing family of CAN high-speed transceivers and offers enhanced electromagnetic susceptibility (EMS) and low electromagnetic emissions (EME).
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (Power supply voltage) | 4.5 | 5.5 | 5.5 | V | |
| ICC (Supply current) | Dominant; VTxD = 0 V | 50 | 75 | 10 mA | mA |
| ICCS (Supply current in standby mode) | TJ ≤ 100°C | 8 | 15 | µA | µA |
| VCANH (DC voltage at pin CANH) | 0 < VCC < 5.5 V; no time limit | -50 | 50 | V | |
| VCANL (DC voltage at pin CANL) | 0 < VCC < 5.5 V; no time limit | -50 | 50 | V | |
| TJ (Junction temperature) | -40 | 150 | °C |
Key Features
- Compatible with ISO 11898-2 and ISO 11898-5 standards
- High-speed operation up to 1 Mbps
- VIO pin on NCV7342-3 version for direct interfacing with 3 V to 5 V microcontrollers
- VSPLIT pin on NCV7342-0 version for bus common mode stabilization
- Very low current consumption in standby mode with wake-up via the bus
- Excellent electromagnetic susceptibility (EMS) and low electromagnetic emissions (EME)
- Bus pins protected against >15 kV system ESD pulses and automotive electrical transients
- Transmit data (TxD) dominant time-out function and bus dominant time-out function in standby mode
- Thermal protection and bus pins short circuit proof to supply voltage and ground
- Pb-free devices with wettable flank package for enhanced optical inspection
- AEC-Q100 qualified and PPAP capable
Applications
- Automotive systems
- Industrial networks
Q & A
- What is the primary function of the NCV7342D10R2G?
The NCV7342D10R2G is a CAN transceiver that interfaces between a CAN protocol controller and the physical bus.
- What are the compatible voltage systems for the NCV7342D10R2G?
The component is suitable for use in both 12 V and 24 V systems.
- What is the maximum data rate supported by the NCV7342D10R2G?
The component supports high-speed operation up to 1 Mbps.
- What is the purpose of the VIO pin on the NCV7342-3 version?
The VIO pin allows direct interfacing with 3 V to 5 V microcontrollers and supplies the transceiver's digital inputs and outputs.
- How does the VSPLIT pin on the NCV7342-0 version function?
The VSPLIT pin provides a stabilized DC voltage to the bus, reducing common-mode signal steps and electromagnetic emissions.
- What are the key protection features of the NCV7342D10R2G?
The component includes protection against >15 kV system ESD pulses, automotive electrical transients, and short circuits to supply voltage and ground.
- How does the wake-up feature work in standby mode?
The wake-up feature is triggered when the CAN bus changes from recessive to dominant state for a specified duration, releasing the RxD pin to a high level.
- What are the thermal characteristics of the NCV7342D10R2G?
The component has a junction temperature range of -40°C to 150°C and includes thermal shutdown protection.
- Is the NCV7342D10R2G qualified for automotive use?
Yes, the component is AEC-Q100 qualified and PPAP capable.
- What package types are available for the NCV7342D10R2G?
The component is available in SOIC-8 and DFN8 packages.
