Electric Vacuum Brake Booster System, EVB


This technology provides system integration and control techniques for the electric vacuum booster system. The system combines the electric vacuum pump and the vacuum sensor with the electronic control unit (ECU) to produce appropriate negative pressure to make the vacuum booster provide auxiliary brake force. Besides, the ECU can detect fail-mode status actively by receiving peripheral sensor signals and provide warning as well as protection function. Moreover, in order to avoid the electric vacuum pump failure which causes the brake to fail completely, the system controls not only single vacuum pump but also the dual ones. Therefore, the system has significant competitive advantage compared to general commercial products.


▪ System integration
▪ System control logic design
▪ Embedded hardware design
▪ Active fail detection and fail-safe protection
- Battery failure detection
- Electric vacuum pump failure detection
- Vacuum pipe failure detection
- ECU power components failure detection


▪ Max. Vacuum: < 260mmHg
▪ Vacuum pressure accuracy:> 95%
▪ ECU sleep current: < 1mA
▪ Automotive-grade microcontroller and components
▪ Active fail detection and fail-safe protection

Contact Us

Joe Tu
Tel:886-4-7811222 ext.2323