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The Chuhang Technology self-developed 77GHz millimeter-wave radar consists of theISO26262 ASIL B compliant millimeter-wave radar chip and digital signal processing chip set, the transmit & receive antenna array deployed on the high-performance RF PCB integrated with the millimeter-wave radar chip, the automotive-compatible MCU with powerful processing capability, and the AUTOSAR-based software architecture. As a result, the radar helps better meet the customer needs for customized code integration.

Automotive-compatible products

77GHz Front Radar

The Chuhang Technology “automotive-compatible platform” developed 77GHz long range front radar has superior detection capacity with a detection range of 220m. It shows high anti-interference capability and is capable of identifying and triggering warnings for beam blockages. The radar is ISO 26262 ASIL B compliant and equipped with functions such as adaptive cruise control (ACC), autonomous emergency braking (AEB), and forward collision warning (FCW).

Performance Parameters

Operating frequency
76-77GHz
Antenna channels
3Tx4Rx
Data cycle
50ms
Distance
Range
0.5-220m
Accuracy
±0.1m
Resolution
0.4m
Velocity
Range
-75~+75m/s
Accuracy
±0.1m/s
Resolution
0.2m/s
Angle
Range
-50° to +50°（SR）
-9° to +9°(MR)(horizontal)
-9° to +9°（vertical）
Accuracy
±0.2°
Resolution
5°
Number of detectable objects
32
Operating voltage
9.0V to 36V
Power consumption
4.5W
Operating temperature
-40℃ to +85℃
Degree of protection
IP6K7

Core advantages

NXP RF-CMOS chip set

Detection distance of 220m

Height detection and identification of ground & overhead targets

ASIL B compliance

Resistance to interference, alarming for beam blockage

Application scenarios

ACC

ACC is a comfortable feature that continuously obtains forward target information through front millimeter wave radar and other sensors, combining self-driving conditions to keep the vehicle moving at a constant speed or following the vehicle at a safe distance.

The ACC function helps to liberate the driver's feet and offers relief to the driver, especially in long-distance highway driving and in the stop-and-go traffic in urban driving.

  • Up to 150km/h ACC function with stop & go at the low-speed mode
  • Maximum forward detection range: ≥220m
  • Minimum curvature radius of the bend ＜125M
  • Minimum time to follow front traffic ≤1.0s

AEB

The AEB/FCW functions further provide appropriate braking power to avoid collision by detecting the status of the target ahead, determining the collision risk level and issuing sound/light/touch warning information to the driver after the criticality of the operating condition exceeds a certain threshold

The AEB/FCW functions avoid most forward collisions with early warnings and emergency braking, which can greatly reduce a collision damage even in the event of a collision.

  • Speed range：7km/h-150km/h
  • Maximum forward detection range ≥220m
  • Correct warning rate＞99%
  • False alarm rate＜2%

Product scene demonstration video