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U690B Datasheet Rear Wiper Interval/Wipe-Wash Control

Manufacturer: TEMIC Semiconductors (now Microchip)

General 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.

Overview

U690B Rear Wiper Interval/Wipe-Wash Control.

Key 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 Protection according to ISO / TR 7637.
  • 1 (VDE 0839) D Load-dump protection.