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TPS65810RTQR Datasheet(PDF) 10 Page - Texas Instruments |
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TPS65810RTQR Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 99 page  www.ti.com ELECTRICAL CHARACTERISTICS – POWER PATH AND CHARGE MANAGEMENT (Continued) TPS65810 TPS65811 SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007 Over recommended operating conditions (typical values at T J = 25°C), circuit as in Figure 3 (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BATTERY RECHARGE DETECTION New charge cycle starts if V(BAT) < VO(BATREG)– VRCH, after VRCH Recharge threshold voltage 80 100 130 mV termination was detected Deglitch time for recharge tDGL(RCH) RTMR = 50 kΩ 22.5 ms detection DPPM FUNCTION VDPPM DPPM regulation point range V(DPPM) = RDPPM× KDPPMM× IO(DPPM) 2.6 4.4 V IO(DPPM) DPPM pin current source AC or USB Present 95 100 105 µA KDPPM DPPM scaling factor 1.139 1.15 1.162 tDGL(DPPM Status bit set indicating DPPM loop active after deglitch time, DPPM de-glitch time 500 µs ) RTMR = 50 kΩ CHARGE AND PRE-CHARGE SAFETY TIMER Charge safety timer Safety timer range, thermal/DPPM loop not active, tCHG 3 5 10 h programmed value tCHG = RTMR× KTMR KTMR Charge timer set factor 0.313 0.36 0.414 s/ Ω Total elapsed time when DPPM Fast charge on, tCHGADD is the maximum add-on time added to tCHGADD 2 × t CHG h or thermal loop are active tCHG Precharge safety timer Pre charge safety timer range, thermal/DPPM loop not active, min tPRECHG 18 30 60 programmed value tPRECHG = KPRE× RTMR× KTMR KPRE Pre-charge timer set factor 0.09 0.1 0.11 Total elapsed time when DPPM Pre-charge on, tPCHGADD is the maximum add-on time added to tPCHGADD 2 × t PRECHG h or thermal loop are active tPRECHG RTMR External timer resistor limits 30 100 k Ω Timer fault recovery pullup Internal resistor connected from OUT to BAT after safety timer RTMR(FLT) 1 k Ω resistor timeout THERMAL REGULATION LOOP Charge current decreased and timer extended when TJ > °C TTHREG Temperature regulation limit 115 135 TTHREG CHARGER THERMAL SHUTDOWN TTHCHG Charger thermal shutdown Charger turned off when TJ>TTHCHG 150 °C Charger thermal shutdown THCHGHYS 30 hystersis 10 Submit Documentation Feedback |
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