WHST STA77-5 User manual

森思泰克│ 车载雷达—产品介绍 │ - 1 -
STA77-5 Automotive radar
PRODUCT MANUAL
WHST CO., LTD.
FACTORY 1, WANCHUN HIGH-TECH INNOVATION PARK, EAST DISTRICT OF ECONOMIC & TECHNOLOGICAL DEVELOPMENT ZONE, WUHU, ANHUI, CHINA
2021.11

森思泰克│ 车载雷达—产品介绍 │ - 2 -
目录
1. product description ..........................................................................- 4 -
2. Interface description ........................................................................- 5 -
3. Radar installation method and size..................................................- 6 -
Revision record
date
datedate
date version
versionversion
version description
descriptiondescription
description author
authorauthor
author

森思泰克│ 车载雷达—产品介绍 │ - 3 -
2021-11-04 V1.0 initial version
Zhang
shaolong

森思泰克│ 车载雷达—产品介绍 │ - 4 -
1. product description
STA77-5 high-resolution long-range radar is a radar product based
on 77GHz millimeter wave technology developed by WHST. It has the
characteristics of small size, light weight and high performance. STA77-5
can accurately measure the distance, speed and angle of the target vehicle
within 210m ahead, and can provide safe, accurate and real-time road
condition information on the road ahead. It is suitable for forward
emergency braking of vehicles (AEB: Autonomous Emergency Braking)
Or forward collision warning (FCW: Forward Collision Warning) and
other functions.
Figure 1 STA77-5 Radar product physical map
STA77-5 Main product features of vehicle radar：
Highly stable radar based on 77GHz MMIC technology；
The farthest detection range is 220 meters;
Advanced pulse Doppler system, small size and light weight;
Using continuous wave radar technology, it can accurately detect
target distance, speed and angle information;
Not affected by weather conditions, fully guarantee driving safety

森思泰克│ 车载雷达—产品介绍 │ - 5 -
2. Interface description
Radar equipment terminal connector and wiring harness terminal
connector are shown in Figure 4, and the wiring definition is shown in
Table 2
Device side Wire side
Figure 2 Schematic diagram of wiring
Table 2 Definition of external plug-in pins
NO Pin definition Signal function Note
1 CAN-H Body CAN bus
2 CAN-L Body CAN bus
3 CANFD-L CANFD bus The wire diameter is
recommended to be
≥0.35mm, 3/4 pins are
made into twisted pair
4 CANFD-H CANFD bus
5 NC
6 NC
7 NC
8 NC
9 POWER Power supply positive
9~16V DC
10 GND Power supply negative
110

森思泰克│ 车载雷达—产品介绍 │ - 6 -
3. Radar installation method and size
As shown in the radar size diagram in Figure 7, the product size is 106×97.8×27.3mm, and
it is directly installed on the car body using reserved three-leg holes to ensure the installation
strength. It is recommended to use 3 M5*16 combination screws to fix the radar to the car body
mounting hole.
Figure 7 Radar size diagram
It is recommended that equipment should be installed and operated with minimum distance of
20cm between the radiator and your body.
Important: Changes or modifications to this unit not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
Maximum Permissive Exposure Statement
This products comply with FCC radiation exposure limits set forth for an uncontrolled
environment.