SHENZHEN SANAN TECHNOLOGY CO., LTD.

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SA-OBD CAN Decoder Box

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Vehicle CAN Data Interface

SA-OBD
CAN Decoder Box

Compact vehicle communication interface for collecting CAN bus and K-Line data and converting vehicle protocol data into UART-format data for connected host equipment.

 
9–36V DC Wide Automotive Power Input
CAN + K-Line Vehicle Bus Communication
UART / RS232 / TTL Flexible Host Interface
2mA Sleep Current Low-Power Vehicle Operation
Product Overview

Connect Vehicle Data With Your Application

A compact CAN decoder interface designed for vehicle diagnostics, data acquisition and secondary application development.

Vehicle Protocol to UART Conversion

The SA-OBD CAN Decoder Box connects to a vehicle through a standard OBD-II connector or dedicated CAN bus connection and collects vehicle bus data. The collected information is converted into UART-format data for connection to host equipment.

  • Standard OBD-II automotive communication
  • High-speed CAN communication
  • K-Line communication
  • UART host communication
  • Vehicle data acquisition and analysis
  • Support for customized gateway interfaces

Supported Vehicle Protocols

ISO 9141-2 Vehicle diagnostic protocol
ISO 14230 KWP2000 communication
ISO 15765 DoCAN communication
Proprietary Vehicle-specific protocols
Key Features

Built for Vehicle Data Applications

Designed for vehicle monitoring, diagnostics, data analysis and connected vehicle applications.

01

CAN Bus Communication

Integrated high-speed CAN physical layer for bidirectional communication with vehicle ECUs.

02

K-Line Communication

Integrated K-Line interface for diagnostic communication with compatible vehicle systems.

03

Vehicle Data Analysis

Supports mileage statistics, fuel consumption calculation and driving behavior analysis.

04

Body Status Acquisition

Can collect vehicle status information including locks, lights, horn, windows and gear position.

05

Reverse Body Control

Supports reverse control of selected vehicle body functions on compatible vehicle models.

06

Low-Power Sleep Mode

Sleep mode quiescent current can be as low as 2mA at 12.7V vehicle battery voltage.

Data Architecture

From Vehicle Bus to Application

The decoder acts as a communication bridge between vehicle networks and external host equipment.

Vehicle ECU / Vehicle Bus
→
SA-OBD CAN / K-Line Decoder
→
Host Equipment UART / RS232 / TTL
Application

Flexible for Connected Vehicle Systems

Suitable for vehicle data acquisition and secondary development applications.

APPLICATION 01

Vehicle Diagnostics

Vehicle ECU communication and diagnostic data acquisition.

APPLICATION 02

Fleet Monitoring

Vehicle mileage, fuel consumption and driving behavior data applications.

APPLICATION 03

Vehicle Security

Vehicle anti-theft status monitoring and compatible body control applications.

APPLICATION 04

Secondary Development

Connect vehicle data directly to PCs, tablets and embedded host systems.

Specifications

SA-OBD Technical Specifications

ModelSA-OBD / CC420
Power Supply9V ~ 36V DC
CAN Interface1-channel high-speed CAN
K-Line Interface1-channel K-Line
OBD InterfaceStandard OBD-II connector
Communication InterfaceStandard USART, 57600 bps, RS232 / TTL optional
Supported ProtocolsISO9141-2, ISO14230 (KWP2000), ISO15765 (DoCAN), proprietary vehicle protocols
Sleep Current2mA @ 12.7V vehicle battery voltage
Operating Temperature-40°C ~ +85°C
Storage Temperature-45°C ~ +90°C
Firmware UpgradePC upgrade software via USART
Customized GatewayAvailable for various vehicle models on demand
Interface & Wiring

Vehicle Connection Interface

Standard OBD-II pin assignments provide direct access to vehicle power and communication signals.

SA-OBD CAN Decoder Box Wiring Diagram
OBD Pin 4 GND
OBD Pin 5 Earth
OBD Pin 6 HCANH
OBD Pin 7 KLINE
OBD Pin 14 HCANL
OBD Pin 15 LLINE
OBD Pin 16 VBAT
Host Interface

Simple UART Connection

Connect the decoder to external host equipment using the UART communication interface.

Decoder RX White Wire → Host TX
↔
Decoder TX Green Wire → Host RX
↔
Ground Black Wire → Host GND

Build Your Vehicle Data Solution

Contact SANAN for vehicle protocol support, customized gateway interfaces and OEM/ODM integration.

Contact SANAN
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