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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZR датащи(PDF) 10 Page - Texas Instruments |
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TPS658620ZQZR датащи(HTML) 10 Page - Texas Instruments |
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10 / 104 page  TPS658620 Advanced Power Management Unit SLVS993 – OCTOBER 2009 www.ti.com ELECTRICAL CHARACTERISTIC (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BATTERY VOLTAGE THRESHOLDS AND CHARGER TIMING TCHGDLY Charger turn-off delay Time delay to turn off charger or set suspend mode 25 ms Selectable via I 2C, 2.9V or Fast charge at V(BAT) > VLOWBAT V Precharge to fast-charge transition , selectable via 2.5V VLOWBAT I 2C Total accuracy, relative to selected value –3% 3% TDGL(PRE) Deglitch time for fast charge to precharge transition Decreasing battery voltage 25 ms New charge cycle starts if VRCH Recharge threshold voltage 38 100 170 mV V(BAT) < VO(BATREG) – VRCH, after termination was detected TDGL(RCH) Deglitch time for battery recharge detection 65 ms PACK INSERTION AND PACK TEMPERATURE FAULT DETECTION , V(VTSBIAS)>2V KTHOT Pack hot temperature detection constant Pack hot temp detected and charge suspended at V(TS) < V(2V2) × K THOT 0.189 0.203 0.222 KTCOLD Pack cold temperature detection constant Pack cold temp detected and charge suspended at V(TS) > V(2V2) × K TCOLD 0.610 0.625 0.641 KNOPACK Pack not detected threshold V(TS) > V(2V2) × K NOPACK 0.935 0.95 0.965 TDGLTEMP Pack temperature fault/no fault detection deglitch 15 ms TDGL(DT) Pack insertion detection deglitch 10 ms TDLY(NDT) Pack removal detection delay 100 µs RDSTSBIAS Integrated switch resistance Measured from VTSBIAS to V2V2 210 Ω ITS(DET) TS pin bias current VTSBIAS to V2V2 switch open –1 µA CHARGER INTEGRATED MOSFET CHARACTERISTICS VBATDODCH Battery Switch dropout voltage, discharge or charge VBATDODCH = V(VIN_CHG) – V(BAT) , V(BAT) :3V, I(BAT) = –1A 100 200 mV ON at battery not detected and discharge switch enabled via I 2C IDCH(BAT) BAT pin discharge current 5 10 mA (BATDCH=HI), V(BAT) > 1 V CHARGER PROTECTION AND RECOVERY FUNCTIONS BATCHG switch set to OFF if VSH(VIN_CHG) VIN_CHG Short Circuit detection threshold 1.0 1.2 1.4 V V(VIN_CHG) < VSH(VIN_CHG) VSH(BAT) BAT Short Circuit detection threshold BATCHG switch set to OFF if V(BAT) < VSH(BAT) 1.6 1.8 2.0 V RSH(BAT) BAT short circuit recovery pull-up resistor V(BAT) < VSH(BAT), Internal resistor connected between VIN_CHG and BAT2 1 k Ω Safety timer value, thermal and DPPM loops not active or DTC function Selectable via I 2C: 4, 5,6,8 hours disabled hours TCHG Charge safety timer Total accuracy –15% 15% TPCH=LO 25 30 35 Pre charge timer range, thermal and DPPM TPRECHG Precharge timer min loops not active or DTC function disabled TPCH=HI 50 60 70 Internal resistor connected from VIN_CHG to BAT when timer fault is RTMR(FLT) Timer fault recovery pull-up resistor 1 k Ω detected TSTRCHG Charger thermal loop threshold Charge current reduced for TJ > TSTRCHG 125 °C Electrical Specifications 10 Submit Documentation Feedback |
Аналогичный номер детали - TPS658620ZQZR |
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Аналогичное описание - TPS658620ZQZR |
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