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Home > Products > Sensors > SC1260AR3 60GHz RADAR Sensor

SC1260AR3 60GHz RADAR Sensor

May 26, 2023

Ultra-compact, ultra-low-power 60GHz radio-wave ranging sensors for automotive in-cabin sensing applications

Overview

Socionext SC1260AR3 Radar Sensor
SC1260AR3 RF CMOS Sensor

The new series utilizes the 60GHz frequency band and time-division multiplexing (TDM-MIMO) processing with multiple transmitting and receiving antennas that can detect the position and movement of passengers in a vehicle with maximum accuracy.

In addition to achieving the AEC-Q100 automotive grade stress test qualification with a Grade 2 temperature tolerance ranging from -40°C to 125°C, the devices enable easy acquisition of three-dimensional (3D) position information. This can be achieved without requiring advanced expertise in high-frequency devices and signal processing. The SC1260 series combines antennas, wireless circuits, AD converters, FIFO memory, SPI interface, and an intelligent power control sequencer for flexible duty cycle control.

Key Features

  • Antenna in Package (AIP) technology integrating multiple antennas (2-Transmitters and 4-Receivers).
  • Integrated radar signal processing unit for presence, distance, and angle detection.
  • High precision 1D to 3D sensing: wide bandwidth (6.8GHz max.) and high-accuracy linear chirp FMCW radar.
  • TDM-MIMO operation (6 x 2 virtual antenna array) explicitly designed for in-cabin sensing, enabling a single sensor to detect multiple passengers seated in a row.
  • Competitive low power operation ~1mW for In-Vehicle use cases, minimizing battery load.
  • Consumes an average of 0.72mW at 0.1% duty cycle operation, which offers significant power reduction of up to 50% when activating camera devices with motion detection.
  • High-volume mass production using standard CMOS semiconductor processing technology.
  • Voltage ranges from 1.8-3.3v for flexible IO connectivity.
  • Unaffected by environmental conditions with the ability to transition through resins and non-metallic materials.

Features

  • High-resolution 1D to 3D sensing
    - 2 Tx and 4 Rx integrated antennas supporting TDM-MIMO operation and achieving a 6 x 2 virtual antenna array
    - Wide bandwidth (6.8 GHz max.) and high-accuracy linear chirp FMCW radar
    - Example of sensing target: infant lying in the child safety seat or persons sitting on the seat
  • Highly integrated device enabling faster hardware development
    - Integrated radar signal processing unit (Distance/Angle/Presence detection), antennas, RF circuit, ADC, FIFO, and SPI interface
    - Smaller PCB, less BOM, and easy assembly
    - Smallest package for all-in-one interior radio sensor (6.0 mm x 9.0 mm, BGA package)
  • Low power consumption for reducing battery load
    - 4 levels of operation (Shutdown, Deep Sleep, Light Sleep, Sensing)
    - Intelligent power control sequencer for managing flexible duty cycle operation
    - Activates other devices by integrated presence detection functionality

Video

Antenna Configuration

Example of a theft prevention system

Block Diagram

Sample Applications

Child Detection
Child Detection
Occupant Detection
Occupant Detection
Theft Prevention
Theft Prevention
Gesture Recognition
Gesture Recognition

Specifications

Key Features TDM-MIMO operation, 3D position detection (X, Y, Z coordinate output), 3D presence/absence detection, range FFT output, automatic intermittent measurement, high-performance power supply noise filter, 11-bit oversampling ADC, advanced sequencer
Average Power Consumption 0.72mW at 0.1% duty cycle operation
Transmission Frequency 57.1 to 63.9GHz
Package / Size FC-BGA / 6mm x 9mm x 1.2mm

 

Evaluation Kit

  • SC1260AR3 evaluation kit hardware
  • Sensor driver/ library and sensing evaluation software (GUI)
  • Related documents
    • Evaluation software (GUI) operation manual
    • Control API specification
    • Application note (Sample C source for API)

 

Product Inquiry

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Application Note – How RADAR Sensors are Transforming the Future of Smart Home
Application Note – Maximize Sensing Accuracy Using RADAR
CMOS 60-GHz Radar Sensor: SC1220AT2
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Promotions (Related Content)

Related Content

How RADAR Sensors are Transforming the Future of Smart Home

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Sensors Converge Names Socionext’s SC1260AR3 Sensor As 2023 ‘Best of Sensors’ Award Finalist

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