Team Mio
Project: Solid-State Thermostat for Peltier Beverage Temperature Control Team Members Kristian Liwanag Gregory Brady Adrienne Suñer Jackie Floyd Faculty Advisor Dr. Peter Osterberg Industry Representative Steve Westdal, Insitu, Inc. Client Sarah Anderson, Owner, Anna Bananas Cafe
Outline Project Refresher Design Process Accomplishments Concerns Plans
Project Refresher Coffee Mug Measures the Current Temperature with a Thermocouple Compares to User Specified Temperature with a MOSIS Chip Regulates the Temperature with a Peltier Device
Project Refresher (Hysteresis) 25°C 55°C 5°C 52°C 58°C 2°C 8°C Heat Off Heat Cool Off Heat Off Cool
Top Level Block Diagram
Design Process
Milestones StatusDescriptionDue DateCompletion Date CompletedDesign Document v0.911/2/2012 CompletedFinal Budget11/16/201211/26/2012 CompletedDesign Document v1.011/16/2012 CompletedFinal MOSIS EDF Files Completed11/16/2012 In ProgressRemaining Project Components Ordered 11/30/2012- In ProgressAcquisition and Characterization of Thermocouple, ADC, Peltier Device, and BJT Switches 11/30/2012- In ProgressNovember Program Review11/30/2012
Accomplishments MOSIS EDF File Submitted for FAB Final Budget Approved Design Document v1.0 Approved BJT Switches and Peltier Device Characterized Mug in queue to be built with thermocouple
MOSIS Block Diagram
October MOSIS IC Design
MOSIS IC Design Now
BJT Switch and Peltier Circuit
BJT Switch and Peltier Circuit (Demo) e Cooling Demonstration Heating Demonstration xI&feature=youtu.be
Concerns Themorcouple and ADC are yet to be characterized Power limitations and Heat dissipation on the BJT and Peltier circuit
Plans Complete Peer Evaluations Finish Characterizing Thermocouple and ADC
Questions? Kristian Liwanag (Fall Semester Team Lead / MOSIS) Gregory Brady (Spring Semester Team Lead / Peltier) Adrienne Suñer (Treasurer / Thermocouple) Jackie Floyd (Secretary / BJT)