Transcription of Calculating Motor Driver Power Dissipation - TI.com
{{id}} {{{paragraph}}}
Example: barber
Calculating Motor Driver Power Dissipation - TI.com
ApplicationReportSLVA504 motordriverICfora particularapplication, givenapplication,anestimationofthetotalm otordriverpowerdissipationis MotorDriverTherearea numberofsourcesofpowerdissipationinsidea ,likethepowerdissipatedin theFETON-resistance, , (ON)DissipationThebiggestsourceofpowerdi ssipatedinsidea motordriverICis thepowerdissipatedin theFETON-resistance,orRDS(ON). Thepowerdissipatedin anH-bridge(consistingofa high-sideFETanda low-sideFET)is calculatedwiththefollowing:PRDS= (HS-RDS(ON) (IOUT(RMS))2) + (LS-RDS(ON) (IOUT(RMS))2)wherePRDSis thepowerdissipatedin theoutputFETs,HS-RDS(ON)is theresistanceofthehigh-sideFET,LS-RDS(ON )is theresistanceofthelowsideFET,andIOUT(RMS )is (ON)increaseswithtemperature,asthedevice heats, a devicehastwoH-bridges,likea typicalsteppingmotordriver, ,theoutputdevicestraversea a functionofthefollowing: riseandfalltimesoftheoutput.
Application Report SLVA504– February 2012 Calculating Motor Driver Power Dissipation Peter Millett.....
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
Related search queries
Understanding Motor Driver Current Ratings, Current, Motor Driver www.ti.com, Case study, Ratings, OVERVIEW OF INSURANCE IN ASIA, Not provide running overload protection, Motor, Merchant Mariner Credential Application Packet, DEPARTMENT OF CITYWIDE ADMINISTRATIVE, Department of citywide administrative services