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3.6 Instrumentation (Electric Bicycle)
Leiditech recommends protective devices and solutions for electric vehicle instrument panels
The electric vehicle digital instrument panel is mainly composed of a data acquisition module, a front-end signal processing circuit, a button input circuit, an AID conversion circuit, a microcontroller, and a liquid crystal display driver.
All signals are converted into digital signals acceptable to the microcontroller through the front signal processing circuit and the AID conversion circuit, and then output to the Nixie tube display circuit and LED indicator circuit for display and indication after data processing. The display and indication of which data is selected or scrolled by the keyboard input circuit. If abnormal data is found, the alarm circuit will give an alarm.
Electric vehicle instruments typically display battery voltage, vehicle speed, cycling status, and lighting status. The intelligent instrument panel can also display the operation and fault status of various electrical components in the vehicle, which is closely related to the performance of the MCU.
Leiditech recommends products for electric vehicle dashboards：
|
Class |
Brand |
Product and product overview |
|
ESD Diode |
Leiditech |
For key input circuits：SDA05W5 package SOT-353 peak working reverse voltage5V，Leakage current1ua
|
|
ESD Diode |
Leiditech |
For 485 chips：SM712 package SOT-23 peak working reverse voltage7V，Leakage current1ua |
|
RS485chips |
Leiditech |
SP3085 half duplex package SOP8 DIP8 5V(VOD1),400-800UA(DE=VCC) 450-700UA(DE=GND)ICC
|
Leiditech can provide various interface electrostatic lightning protection solutions to solve electromagnetic compatibility problems for customers, and provide more protection solutions，Please search for the mini program "EMC Electromagnetic Compatibility Community" on WeChat. Welcome to contact Hu Gong 18016225001.
