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Comprehensive Power Testing of MTBv2.0 Board: Single Ladder vs Full Power Analysis

This document outlines the detailed power consumption tests conducted using the MTBv2.0 evaluation board. It compares the performance of single ladder configurations against full power tests, examining key aspects like stability under varying loads and noise levels. The analysis indicates no discernible difference in performance between single ladder tests and simulations under full current load conditions at 8A. Further, the new MTBv2.0 board demonstrates reliability across a range of current loads, with validation planned through extensive sector testing.

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Comprehensive Power Testing of MTBv2.0 Board: Single Ladder vs Full Power Analysis

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  1. Mass termination board (MTBv2.0) full power test • Outline: • Test setup • Power consumption • Single ladder vs. full power test • Summary

  2. Test setup (1) • Production ladder power consumption: • ~2 A => ~1.3 A VDA + ~0.7 A VDD • Ladder emulation: • V_analog 3.3V @ 2.2  + 0.2  • V_digital 3.3V @ 4.7  VDA 0.2  sense 2.2  GND

  3. Test setup (2) RDO (Xilinx) MTBv2.0 1 PXL production ladder + 3 “ladders” (resistors)

  4. Single ladder vs. full power test - noise

  5. Single ladder vs. full power test - FPN

  6. Single ladder vs. full power test - offset

  7. Summary • No discernible difference between single ladder tests and full current load tests (@ 8A) • Ladder performance tested using our new MTBv2.0 board is stable under low and high current load conditions • This performance will be validated with a full sector test

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