Open JLefebvre55 opened 2 years ago
Note that the primary tradeoff in choosing a cutoff frequency is in attenuation vs time. We are far less concerned with time than with attenuation.
Voltage Buffering for High Current Loads
Op amp current output max is notoriously low. Use a BJT - or better yet, a Darlington - to boost the power. The emitter pin should drive the feedback - this way the base pin "control" voltage outputted from the op amp results in a load voltage equal to the signal voltage.
Transferred from UofT Agritech repo
Reopened for testing
Completion is tracked in the linked PR.
Design Scope
Design a PWM-dimmable, polarity-switchable driver circuit.
Purpose
The purpose of this driver circuit is to be able to precisely control the heat transfer of a thermoelectric element (Peltier tile).
Function
Inputs:
Outputs:
It interfaces with/depends on the following systems:
Method
There are a number of ways of going about this.
We're going to go with option 2. There do not exist any LED drivers with sufficient current output.
Features
In order of connection sequence:
Requirements and Validation
What does this design need to accomplish? How do we know it has accomplished this?
List any applicable metrics with criteria/constraints, applicable to purpose, function, method, and each feature, as well as how to test them.
Verification
How does this design achieve its method effectively, safely, and reliably? How do we test this?
Specific testing procedure: