Chat
Welcome to Flux
Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More
Reviews
Wrong Sapphire Replicator
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Digi-Key | $1.26 |
LCSC | $2.57 |
Mouser | $1.16 |
Controls
Welcome 👋
Flux helps you build PCBs faster with an AI teammate!
Create your account to collaborate, stay updated, fork your own version, and get instant answers from our AI agent.

AI-Powered Component Placement
Let AI place your components intelligently. AI Placement analyzes your schematic and positions components for optimal routing, signal integrity, and board density.
From Schematic to Layout in Seconds
Skip the tedious manual placement. AI Placement generates a starting layout you can refine, saving hours of repetitive work on every new design.
Works With Auto-Layout
Pair AI Placement with Auto-Layout for a complete AI-driven PCB design flow — from component placement through trace routing, all with one click.
ducdueptrai
copilot
TL494IDis a Pulse-Width-Modulation (PWM) Control Circuit designed by Texas Instruments. It provides an integrated solution for PWM control in switching voltage regulators, offering features like wide operating frequency range, low standby power, high precision voltage reference, and programmable dead-time control. Here's a brief overview of its pins:1IN-and1IN+: These are inputs for the first error amplifier.FB: The feedback input used for controlling the PWM duty cycle.DTC: Dead-Time Control pin, which determines the relative length of time that both outputs are in the OFF-state during each cycle.CT: Timing capacitor that together withRTsets the oscillator frequency.RT: Timing resistors that together withCTsets the oscillator frequency.GND: Ground or power supply return.C1,E1,E2, andC2: Output pins for the push-pull driver stage.VCC: Power supply pin.OUTCTRL: Output Control, for selecting single-ended or push-pull output operation.REF: Reference output, usually 5V.2IN+and2IN-: These are inputs for the second error amplifier.