Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
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Introduction<br />
• BIB over-current protection prevents premature<br />
component failures, short circuits and fire hazards.<br />
• In dynamic burn-<strong>in</strong>, current spikes occur at oven power<br />
supplies sequenc<strong>in</strong>g and auto signal checks.<br />
• Common phenomenon for high current, high speed units<br />
under test.<br />
• Fuses are effectively be<strong>in</strong>g utilized for overload or shortcircuit<br />
protection.<br />
• Incidences of nuisance fuse blow<strong>in</strong>g is disruptive to<br />
production.<br />
• Fuse replacement is an expensive & <strong>in</strong>convenient task.<br />
• Number of fuses on a burn-<strong>in</strong> board vary with each design.<br />
• Other better alternatives (technology) are be<strong>in</strong>g reviewed.<br />
KWLow/Zamel <strong>BiTS</strong> 2002 3