SIT1463Q leads the new standard of in-vehicle communication

2024/9/10 10:13:17

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The core of SIC technology lies in adding a specific module to the CAN transceiver. When the CAN bus transitions from dominant to recessive levels, the SIC-enabled CAN transceiver activates the ringing suppression circuit, forcefully driving the bus into the recessive level. Meanwhile, it maintains a low output impedance, effectively absorbing reflected signals and reducing ringing. This technology actively improves signal quality and enhances communication stability.

SIT1463Q Form Factor:

SIT1463Q

Pin Number
Pin Name
Pin Function
1
TXD
Transmit data input, used for serial communication transmission
2
GND
Ground, provides a common reference voltage for the circuit
3
VCC
5V power input, provides working power for the device
4
RXD
Receive data output, used for serial communication reception
5
VIO
Power supply for I/O interface, providing power for input and output ports
6
EN
Enable pin, switch input for controlling the controller's operational state
7
INH
Controls the state of the external regulator, outputs high level after wake-up, maintaining power supply
8
ERRN
Error status indication pin, outputs error status signals
9
WAKE
Wake signal input pin, used to wake up the device from sleep mode
10
VBAT
Battery power input pin, provides backup power for the system
11
NC
No connection, unused pin
12
CANL
CAN bus low signal pin, used for communication
13
CANH
CAN bus high signal pin, used for communication
14
STBN
Standby mode control input pin, used for controlling entry into low-power standby mode


SIT1463Q Key Features:

The SIT1463Q meets the physical layer requirements of the ISO 11898-2:2016 High-Speed CAN standard and also complies with the CiA 601-4:2019 SIC specification.

It supports data rates up to 8 Mbps, providing more stable bit timing and enhanced bit symmetry for modern automotive communication needs, reducing the demands on topology and wiring.

The SIT1463Q is pin-to-pin compatible with the SIT1043Q and supports low-power sleep mode and standby mode, offering flexible energy management.

In addition, the signal improvement capability of the SIT1463Q significantly reduces the ringing effect in the network, making it well-suited for upgrades in automotive networks requiring higher communication speeds. Its applications are broad, spanning body control, gateways, ADAS, and infotainment systems in the automotive sector, as well as drones, industrial control, and energy storage scenarios.


Typical Form Factor and More Features:

Xinlit has launched the SIT1463Q CAN transceiver, which features ringing suppression and complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards. It significantly reduces signal ringing and offers the following features:

Supports remote and local wake-up functions.

Provides ±58V bus port withstand voltage and ±30V receiver common-mode input voltage.

Features a dominant timeout function on the driver (TXD) and undervoltage protection on the VBAT, VCC, and VIO power pins.

Supports up to 8 Mbit/s CAN FD communication and offers low electromagnetic emission (EME) and high electromagnetic interference (EMI) immunity.

The SIT1463Q does not interfere with the bus when unpowered and is suitable for a wide temperature range of -40°C to 150°C, with built-in over-temperature protection.

It is available in SO14 and leadless DFN4.5X3-14 packages, making the SIT1463Q perform excellently in various application scenarios.

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