描述
This reference design drives a two-speed front windshield wiper, one or two rear wipers, and the pump, which sprays the front and back windshields in an automobile. In addition to controlling the brushed motors for the wipers and pump, this design includes inputs for wiper parking signals as well as (...)
主要特色
- Drives front and rear wiper motors
- Drives bi-directional spray wash pump
- Operates from 12-V automotive battery, with reverse battery and load-dump protection
- On-board 3.3-V power supply and simple controller interface
- This circuit design is tested and includes schematics, test data, and layout (...)