TIPD108: PWM Signal Generator

Summary

This circuit utilizes a triangle wave generator and comparator to generate a pulse-width-modulated (PWM) waveform with a duty cycle that is inversely proportional to the input voltage. An op amp and comparator generate a triangular waveform which is passed to the inverting input of a second comparator.

By passing the input voltage to the non-inverting comparator input, a PWM waveform is produced. Negative feedback of the PWM waveform to an error amplifier is utilized to ensure high accuracy and linearity of the output.

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Specifications

Manufacturer Texas Instruments
Category Wired Communication
Sub-Category Interface Solutions
Eval Board Board not Stocked
Purpose PWM Signal Generation
Component Count + Extras 22 + 5
Features ESD Protection
Over Voltage Protection
Data Rate (Max) 500 kHz
Design Author Texas Instruments
Main I.C. Base Part OPA2365
TLV3502
Date Created By Author
Date Added To Library 2014-10

Support Documents & Media

TIPD108 - User Guide OPA365/2365 - Datasheet TLV3501/3502 - Datasheet

Media

TIPD108_Schematic_Full.png TIPD108_Board_Full.jpg TIPD108_Chart_1_Full.png TIPD108_Chart_2_Full.png TIPD108_Chart_3_Full.png