A new evolution of products and services integrating the Internet of things in to people's everyday lives has begun, particularly in the world of home automation. Today we are seeing a wide range of smart home appliances from doorbells, to thermostats, that use IoT functionality, employing built-in sensors to trigger many of the operations. These "smart" products are being developed to automatically "turn on" once human activity is recognized.
For such applications, Socionext, a leading provider of RF CMOS Sensors, has designed a series of single-chip 24GHz and 60GHz radio-controlled distance measurement sensors with ultra low power consumption and positional detection functionality to address this need.
Product Lineup
| Detection | Product | Feature | ||
| 1DĀ |
SC1232 | 24GHz | More info | ć»Outputs distance information with a built-in distance operation circuit |
| ć»Capable of switching Field-of-View (FOV) in 2 stages | ||||
| 2DĀ | SC1233 | 24GHz | More info | ć»Outputs distance information with a built-in distance operation circuit ć»Outputs vector data for angle calculation |
| SC1221 | 60GHz | More info | ć»Enables highly accurate angle detection with 4chRX | |
| 3DĀ |
SC1220 | 60GHz | More info | ć»Enables positional detection in space with 2X2chRX ć»Enables highly accurate detection with wide-range modulation of 6GHz |
| SC1240 | 60GHz | More info | ć»Built-in signal processing circuit for detecting the position and movement of a person with maximum accuracy. ć»Uses 3D position information without requiring high frequency or advanced signal processing technology. |
|
| SC1260 | 60GHz | More info | ć»Equipped with TDM-MIMO operation, 3D position detection (X, Y, Z coordinate output), 3D presence/absence detection, range FFT output, automatic intermittent measurement, high-performance power line noise filter, 11-bit oversampling ADC, advanced sequencer. | |
24GHz Electromagnetic Wave Sensor
Features
- Small size (9mm X 9mm X 1mm)
- Sensing modes: FMCW
- Low power: 0.5mW average
Benefits
- Multiple antennas (both Tx and Rx) integrated inside the package
- High volume, mass production using standard CMOS semiconductor processing
- Impervious to obstructed view, such as darkness, smoke, fog, dirt over lens.
- Ability to penetrate materials such as glass, wood, paint, plastic and other non-metallic materials
- Draws less power than optical visual camera systems
- Can detect any moving object, as compared to PIR which is dependent on targetās temperature profile
- Output a variety of data about the moving object, not possible with other sensors
Applications
60GHz Electromagnetic Wave Sensor
Description
The new ultra-compact, low-power SC1220 Series radio wave ranging sensors utilizes 60GHz frequency band and detects individualās location and movement with very high accuracy and precision.
The SC1220 series offers high-precision sensing using a 7GHz bandwidth (57 ~ 64 GHz frequency for transmitter) allows for the detection of a personās location and very minute movements. These capabilities make them ideal for advanced applications such as operating appliances using hand gestures. Additionally, since radar sensors are not susceptible to environmental conditions such as temperature and light fluctuations, they can be used in smart home devices and a variety of applications.
Key Features
-
- Socionext was the first company worldwide to develop 60GHz radar sensor in a small package of only 7mm X 7mm X 0.83mm with very low power consumption of 1~2.5mW.
- Highly-integrated and easy-to-use devices that incorporate antenna, wireless circuit, A/D converter, FIFO memory, SPI interface and intelligent power control sequencer for flexible duty cycle control
- Does not require advanced knowledge by users in handling high-frequency devices
SC1220AT2
The most suitable sensor for detecting three-dimensional motions. It comes with a built-in antenna of 2 transmission systems and 2x2 reception array, and can detect azimuth, elevation angle, speed and distance. In addition to presence detection, the device can sense the position of a personās hands in a three-dimensional space, which is ideal for operations requiring gestures.
SC1221AR3
The SC1221AR3 specializes in high-precision detection of two-dimensional movements, and is capable of detecting multiple moving objects in a specific area.
This sensor is ideal for two-dimensional motion detection. It incorporates a 1x4 linear array receiver antenna to detect azimuth, speed and distance of multiple moving objects. Although the angle detection is only available in the azimuth direction, it is two times more precise than SC1220AT2, which is suitable for detecting a person entering a specific area.
Product Lineup
| SC1220AT2 | SC1221AR3 | |
| Description | All-in-one RADAR for detection of azimuth / elevation angle, velocity and distance | All-in-one RADAR for detection of azimuth angle, velocity and distance of multiple objects |
| Power Consumption | 2.5mW (at 0.5% Duty Cycle) |
1mW (at 0.2% Duty Cycle) |
| Transmitter | Frequency 57.1 ā 63.9GHz | Frequency 60.025 ā 61.475GHz |
| Package | FC-LGA 7mm X 7mm X 0.83mm |
FC-BGA 9mm X 9mm X 0.98mm |
60GHz Radar Sensor Videos
3D Gesture Sensing
Close Proximity Gesturing and Long Range Detection
The Socionext Advantages
- Expert radio frequency (RF) know-how
- Extensive analog and RF antenna design experience
- Getting customers up-to-speed on measuring and making sense of the sensor data
- Ability to provide proof-of-concept and incorporating sensor capabilities into customers' overall system designs to enable smart features
- Evaluation kits are available!
Related Articles:
Embedded Computing Design Article
Lineup
| Product | Feature | ||
| SC1232 | 24GHz | More info | ć»Outputs distance information with a built-in distance operation circuit ć»Capable of switching Field-of-View (FOV) in 2 stages |
| SC1233 | 24GHz | More info | ć»Outputs distance information with a built-in distance operation circuit ć»Outputs vector data for angle calculation |
| SC1221 | 60GHz | More info | ć»Enables highly accurate angle detection with 4chRX |
| SC1220 | 60GHz | More info | ć»Enables positional detection in space with 2X2chRX ć»Enables highly accurate detection with wide-range modulation of 6GHz |
| SC1240 | 60GHz | More info | ć»Built-in signal processing circuit for detecting the position and movement of a person with maximum accuracy. ć»Uses 3D position information without requiring high frequency or advanced signal processing technology. |
| SC1260 | 60GHz | More info | ć»Equipped with TDM-MIMO operation, 3D position detection (X, Y, Z coordinate output), 3D presence/absence detection, range FFT output, automatic intermittent measurement, high-performance power line noise filter, 11-bit oversampling ADC, advanced sequencer. |
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