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Message: <blockquote data-quote="laal" data-source="post: 8618424" data-attributes="member: 94459">What is Power Mangement IC, How Does it supply power voltage to a Mobile Phones circuPower Management IC is a power IC, that manage,control and distribute  and Supply Power voltages from the battery source to other  corresponding circuits or chips.It is highly designed to convert,regulate, stabilize current and voltages that flow across unto it.A power supply IC Chips can divide and multiply certain voltage from one  desired voltage source to any desired power output voltages.Which is for example a battery voltage source  amounts at 3.7voltsDC  while other components chips or circuit only requires the amount of  1.8volts, This 1.8volts  is the amount of voltage is what the power  management IC are going to convert.A block diagram below shows a brief details on how power supply IC converts and distribute certain desiredvoltage from a battery power source to other corresponding circuits or components.<a href="http://2.bp.blogspot.com/_8JZhVVmpICU/S_lTGeXVfqI/AAAAAAAAAbE/om9_43KTTm4/s1600/block+diagram+of+a+power+management+IC.jpg" target="_blank"><img src="http://2.bp.blogspot.com/_8JZhVVmpICU/S_lTGeXVfqI/AAAAAAAAAbE/om9_43KTTm4/s400/block+diagram+of+a+power+management+IC.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>In  a typical schematic diagram like in Nokia mobile phones, certain output  supply power voltages were labeled as how much the amount of each  output to supply power voltages to another circuits or components.A failure of a power management IC to gain this following output voltage  is also a failure to other corresponding components or circuits to  work.<a href="http://2.bp.blogspot.com/_8JZhVVmpICU/S_lUHahpz3I/AAAAAAAAAbM/ngApxSfi44c/s1600/fdfd.jpg" target="_blank"><img src="http://2.bp.blogspot.com/_8JZhVVmpICU/S_lUHahpz3I/AAAAAAAAAbM/ngApxSfi44c/s400/fdfd.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a><a href="http://4.bp.blogspot.com/_8JZhVVmpICU/S_lUQG5MeVI/AAAAAAAAAbU/cwNLli3UEVw/s1600/schematic++diagram+of+a+power+management+IC.jpg" target="_blank"><img src="http://4.bp.blogspot.com/_8JZhVVmpICU/S_lUQG5MeVI/AAAAAAAAAbU/cwNLli3UEVw/s400/schematic++diagram+of+a+power+management+IC.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>A picture below is an example layout of a power management IC mounted on a printed circuit board.<a href="http://4.bp.blogspot.com/_8JZhVVmpICU/S_lVJmvK8II/AAAAAAAAAbc/56rgsjRCyA0/s1600/layout+on+pcb++of+a+power+management+IC.jpg" target="_blank"><img src="http://4.bp.blogspot.com/_8JZhVVmpICU/S_lVJmvK8II/AAAAAAAAAbc/56rgsjRCyA0/s400/layout+on+pcb++of+a+power+management+IC.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>A  deep familiarization of how this chips works including  its whole  operation within a circuitry of mobile phones is  also a powerful tool  in troubleshooting hardware problem issues on a mobile phones.</blockquote>

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