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TPS61150 vs TPS61150A - what are the differences?

Matthew Day
Mastermind 36110 points
Other Parts Discussed in Thread: TPS61150A, TPS61150

Can you explain the differences between the TPS61150 and TPS61150A?

  • 0
    TI__Guru*** 148475 points

    Per the table below, the TPS61150A has better absolute current setting and better current matching between each string than the TPS61150.  For this improvement, the TPS61150A has slightly higher shutdown current, slightly lower maximum current per current sink and slightly lower maximum duty cycle than the TPS61150.

    SPECIFICATION CONDITIONS TPS61150 UNITS TPS61150A UNITS
    KISET

    ISET=15.4uA - 50

    ISET=16.7uA - 50A

    		 820-990 883-957
    KM

    ISET=15.4uA - 50

    ISET=16.7uA - 50A

    		 -6% - + 6% 0 - 3%
    ISD(MAX) SELx=GND 1.5 uA 3 uA
    IIFB_MAX(MIN) V(IFB)=330mV 35 mA 34 mA
    DMAX(MIN) V(FB)=1V 90 % 89 %