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Car Access Module

Описание:
This reference design uses capacitive sensing to detect a kicking motion indicating the user's desire to activate a power lift-gate, power trunk, or power sliding door on an automobile. Capacitive sensing allows flexible sensor placement and a large kick-sensitive zone. The high-resolution and low power dissipation make this design applicable to automotive hands-free closure systems where gesture detection and low current from the battery are critical.
Возможности:

Two high-resolution capacitive sensors Operates from 12V automotive battery Detects kicks for distances up to 50cm Low quiescent current Simple microcontroller interface This reference design is tested and includes hardware, test results, and a getting started guide

Документация:
  • Схемотехника
  • BOM
  • Топология платы
Описание:
This reference design uses ultrasonic sensing to detect a kicking motion indicating the user's desire to activate a power lift-gate, power trunk, or power sliding door on an automobile. Ultrasonic sensing allows detection of more than one object, and gives a measure of distance to each object. The high-resolution and low power dissipation make this design suitable for automotive hands-free closure systems where gesture detection and low current from the battery are critical.
Возможности:

Two ultrasonic sensor channels Operates from a 12V automotive battery Detects kicks for distances up to 50cm Low quiescent current Design has been tested and includes schematics, layout, and test results

Документация:
  • Схемотехника
  • BOM
  • Топология платы

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