Overview
The NCV7420D23R2G is a fully featured local interconnect network (LIN) transceiver designed by ON Semiconductor. It is intended to interface between a LIN protocol controller and the physical bus, making it a crucial component in automotive and other distributed networking applications. The device is part of the in-vehicle networking (IVN) transceiver family and supports LIN v2.0/2.1 protocols. It integrates a LIN transceiver and either a 3.3 V or a 5 V voltage regulator, capable of supplying up to 50 mA of current for external components such as microcontrollers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VBB Nominal battery operating voltage | 5 | 12 | 26 | V |
| Load dump protection | - | - | 45 | V |
| Supply current in sleep mode (IBB_SLP) | - | - | 20 | μA |
| Regulated VCC output (VCC_OUT) for 3.3 V version | 3.19 | 3.30 | 3.41 | V |
| Regulated VCC output (VCC_OUT) for 5 V version | 4.9 | 5.0 | 5.1 | V |
| Maximum VCC output current (IOUT_MAX) | - | - | 50 | mA |
| Operating junction temperature (TJ) | -40 | - | 150 | °C |
| Junction thermal shutdown temperature (TJSD) | 165 | - | 195 | °C |
Key Features
- Integrated Voltage Regulator: Provides either 3.3 V or 5 V output with a current capability up to 50 mA.
- Load Dump Protection: Protects against voltage transients up to 45 V.
- ESD Protection: System ESD protection level up to ±12 kV for LIN, WAKE, and VBB pins.
- Operating Modes: Normal mode, standby mode, sleep mode, and wake-up capabilities via local or LIN commands.
- EMI Compatibility: Meets demanding EMS/EME requirements with integrated slope control.
- Thermal Shutdown: Junction temperature monitoring with thermal shutdown to prevent overheating.
- AEC-Q100 Qualified and RoHS Compliant: Suitable for automotive and other applications requiring high reliability and environmental compliance.
Applications
The NCV7420D23R2G is primarily used in automotive applications for distributed networking, particularly in systems requiring low-rate data communication such as door locks, mirrors, and other mechatronic nodes. It is also suitable for industrial and consumer electronics where reliable and efficient serial communication is necessary.
Q & A
- What is the primary function of the NCV7420D23R2G?
The NCV7420D23R2G is a LIN transceiver designed to interface between a LIN protocol controller and the physical bus.
- What voltage regulators are integrated into the NCV7420D23R2G?
The device integrates either a 3.3 V or a 5 V voltage regulator.
- What is the maximum current output of the voltage regulator?
The voltage regulator can supply up to 50 mA of current.
- What are the operating modes of the NCV7420D23R2G?
The device operates in normal mode, standby mode, sleep mode, and can wake up via local or LIN commands.
- How does the device protect against voltage transients?
The device has load dump protection up to 45 V and ESD protection up to ±12 kV.
- What are the thermal shutdown and operating junction temperature ranges?
The junction thermal shutdown temperature is between 165°C and 195°C, and the operating junction temperature range is from -40°C to 150°C.
- Is the NCV7420D23R2G compliant with automotive standards?
Yes, it is AEC-Q100 qualified and RoHS compliant.
- How does the device manage EMI?
The device meets demanding EMS/EME requirements with integrated slope control.
- What types of applications is the NCV7420D23R2G suitable for?
It is suitable for automotive, industrial, and consumer electronics applications requiring reliable serial communication.
- How can the device be woken up from sleep mode?
The device can be woken up from sleep mode via local wake-up or remote wake-up via LIN commands.
