SLVAFQ9
January 2024
TPS92201
1
Abstract
Trademarks
1
Introduction
1.1
Why Building Automation Need IR LED in Video Doorbell, Security Cam System
2
Basic Dimming Knowledge – PWM and Analog Dimming
2.1
Analog Dimming
2.2
PWM Dimming
3
Video Doorbell, Security Cam Industry Common Design for IR LED
3.1
External PWM Low Pass Filter
3.2
Industry Application Advantage and Disadvantage
4
TPS92201 Design in Video Doorbell, Security Cam
5
Summary
6
References
3
Video Doorbell, Security Cam Industry Common Design for IR LED