U690B
Rear Wiper Interval/Wipe-Wash Control
Description
The bipolar integrated circuit, U690B, is designed with a time coded input for the rear pane wiper application.
The length of the input signal determines the mode of operation i.
e.
, intermittent or wipe/ wash; therefore, only one signal line is sufficient from the input switch to the electronic module.
Features
D D D D D D D
Time controlled interval/ wipe-wash Wiper arm’s park position control Interval pause typ.
7 s Dry wiping time typ.
4.
4 s Multipurpose frequency comparator Relay driver with Z-diode RC-oscillator determines switching characteristics
D Debounced main signal input D Power-on reset by low-
voltage identification D Prot...