Overview
The NCV7420D26R2G is a local interconnect network (LIN) transceiver produced by onsemi. It is designed to interface between a LIN protocol controller and the physical bus, making it an integral component in in-vehicle networking (IVN) systems. This device is part of the NCV7420 family, which integrates a LIN v2.0/2.1 physical transceiver and either a 3.3 V or a 5 V voltage regulator. The NCV7420D26R2G is AEC-Q100 qualified, PPAP capable, and compliant with RoHS and automotive standards, ensuring its reliability and performance in harsh automotive environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VBB (Nominal battery operating voltage) | 6 | 12 | 26 | V |
| Load dump protection | - | - | 45 | V |
| Supply current in sleep mode (IBB_SLP) | - | - | 20 | μA |
| VCC output voltage (5 V version, 1 mA - 30 mA load) | 4.9 | 5.0 | 5.1 | V |
| Maximum VCC output current (IOUT_MAX) | - | - | 50 | mA |
| Operating junction temperature (TJ) | -40 | - | 150 | °C |
| Thermal shutdown junction temperature (TJSD) | 165 | - | 195 | °C |
Key Features
- LIN Transceiver: Supports LIN v2.0/2.1 protocol with a maximum transmission speed of 20 kBaud.
- Voltage Regulator: Integrated 3.3 V or 5 V voltage regulator with up to 50 mA output current.
- Protection Features: Load dump protection up to 45 V, bus pins protected against transients, and system ESD protection up to ±12 kV.
- Operating Modes: Normal mode, low slope mode, standby mode, and sleep mode to manage power consumption.
- Wake-up Functionality: Local wake-up and remote wake-up via LIN bus.
- EMI Compatibility: Integrated slope control to meet demanding EMS/EME requirements.
- Auxiliary Outputs: INH output for controlling external components such as voltage regulators or pull-up resistors).
Applications
The NCV7420D26R2G is primarily used in automotive systems for in-vehicle networking. It is suitable for various applications such as:
- Door locks and mirrors control
- Seat control and adjustment systems
- Infotainment systems and other low-speed data communication needs within vehicles).
Q & A
- What is the NCV7420D26R2G used for?
The NCV7420D26R2G is a LIN transceiver used to interface between a LIN protocol controller and the physical bus in automotive systems.
- What voltage regulator options are available with the NCV7420D26R2G?
The device integrates either a 3.3 V or a 5 V voltage regulator.
- What are the key protection features of the NCV7420D26R2G?
The device features load dump protection up to 45 V, bus pins protected against transients, and system ESD protection up to ±12 kV.
- How does the wake-up functionality work?
The device supports both local wake-up and remote wake-up via the LIN bus.
- What are the operating modes of the NCV7420D26R2G?
The device has normal mode, low slope mode, standby mode, and sleep mode.
- Is the NCV7420D26R2G compliant with automotive standards?
Yes, it is AEC-Q100 qualified and PPAP capable, and it complies with RoHS and automotive standards.
- What is the maximum transmission speed of the LIN transceiver?
The maximum transmission speed is 20 kBaud.
- How much current can the VCC regulator output?
The VCC regulator can output up to 50 mA.
- What is the operating junction temperature range of the NCV7420D26R2G?
The operating junction temperature range is -40°C to 150°C.
- What is the thermal shutdown junction temperature of the NCV7420D26R2G?
The thermal shutdown junction temperature is between 165°C and 195°C.
