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TPS658620 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS658620 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 104 page  TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT EXTERNAL SUPPLY DETECTION AND STATUS VLOWSYS Minimum system voltage detection threshold System voltage V(SYS) decreasing. 3.0 V Total accuracy, referenced to V(LOWSYS)TYP -2 2 % VHYS(LOWSYS) Minimum system voltage detection hysteresis V(SYS) increasing from decreasing trigger point 200 mV TDGL(LOWSYS) Minimum system voltage detection deglitch V(SYS) decreasing 5 ms time VIN(DT) Input voltage detection threshold. Input voltage AC detected when V(AC)–V(BAT) > VIN(DT) AND V(AC) > VACMIN 180 mV increasing, referenced to battery voltage USB detected when V(USB)–V(BAT) > VIN(DT) VIN(NDT) Input voltage removal threshold. Input voltage AC not detected when V(AC)–V(BAT) < VIN(NDT) 65 mV decreasing, referenced to battery voltage USB not detected when V(USB)–V(BAT)< VIN(NDT) VACMIN AC detection threshold, relative to GND AC voltage decreasing , AC not detected when V(AC) < VACMIN 3.5 V Hysteresis, AC voltage increasing 200 mV TDGLAC(DT) AC Power detected deglitch AC voltage increasing 22.5 ms TDGLUSB(DT) USB Power detected deglitch USB voltage increasing 5.5 ms VIN(OVP) Input over voltage detection 5.8 6.0 6.3 V TDLY(INOVP) Input over voltage detection delay Rising AC or USB voltage 100 µs ANALOG COMPARATOR VCOMPDET Voltage threshold Enabled at sleep mode not set 1.21 1.245 1.28 V IQCDET Bias current Always On 5 µA TP Propagation time V(COMP):0 →1.5V→0, measured from input to NOPOWER:HI→LO 50 µs Submit Documentation Feedback Electrical Specifications 7 |
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