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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS65811RTQTG4 Fiches technique(PDF) 9 Page - Texas Instruments |
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TPS65811RTQTG4 Fiches technique(HTML) 9 Page - Texas Instruments |
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9 / 99 page  www.ti.com ELECTRICAL CHARACTERISTICS – POWER PATH AND CHARGE MANAGEMENT (Continued) V(OUT) * 1.2 500 kW I O(BAT) + K (SET) V (SET) R SET I O(PRECHG) + V (PRECHG) K (SET) R SET I (TERM) + V (TERM) K (SET) R SET TPS65810 TPS65811 SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007 Over recommended operating conditions (typical values at T J = 25°C), application circuit as in Figure 3 (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER PATH TIMING CHARACTERISTICS, DPPM AND THERMAL LOOPS NOT ACTIVE, RTMR = 50 kΩ tBOOT Boot-up time Measured from input power detection 120 200 300 ms No USB: measured from V(AC)– V(BAT) < VIN(NDT), USB tSW(ACBAT) Switching from AC to BAT 50 µs detected:CE=LO (after CE hold-off time) No AC: measured from V(USB)– V(BAT) < VIN(NDT),USB 50 µs tSW(USBBAT) Switching from USB to BAT detected:CE=LO (after CE hold-off time) tSW(PSEL) Switching from USB to AC 50 µs Toggling I2C PSEL bit Switching from AC to USB or USB to tSW(ACUSB) AC power removed or USB power removed 100 µs AC BATTERY REMOVAL DETECTION VNOBATID Battery ID resistor detection ID resistor not detected at V(OUT)– V(ANLG1) < VNOBATID 0.5 V Deglitch time for battery removal tDGL(NOBAT) 0.6 1.2 ms detection 00, V(OUT): 2.5 V to 4.4 V Set via I2C bits µA 01 10 (BATID1,BATID2) IO(ANLG1) ANLG1 pullup current ADC_WAIT register 10 50 11 60 Total accuracy 25% 25% FAST CHARGE CURRENT, V(OUT) > V(BAT) + 0.1 V, V(BAT) > VLOWV Charge current range 100 1500 mA IO(BAT) 11, 100% scaling 2.475 2.500 2.525 10, 75% scaling 1.875 1.900 1.925 VSET = V(ISET1), VSET Battery charge current set voltage V (ISET1_1, ISET1_0) = 01, 50% scaling 1.225 1.250 1.275 00, 25% scaling 0.575 0.600 0.625 100 mA < IO(BAT)≤ 1 A 350 400 450 KSET Battery charge current set factor 1 mA < IO(BAT)≤ 100 mA 100 400 1000 PRE-CHARGE CURRENT, V(OUT) > V(BAT) + 0.1 V, VBATSH < V(BAT) < VLOWV, t < t(PRECHG) IO(PRECHG) Precharge current range 10 150 mA VPRECHG Precharge set voltage VPRECHG = V(ISET1) 220 250 270 mV VLOWV Precharge to fast-charge transition Fast charge at V(BAT) > VLOWV 2.8 3 3.2 V Deglitch time for fast charge to Decreasing battery voltage, RTMR = 50 kΩ 22.5 ms tDGL(PRE) precharge transition CHARGE REGULATION VOLTAGE, V(OUT) > VO(BATREG) + 0.1V 4.2 V Voltage options, selection via I2C 4.356 V VO(BATREG) Battery charge voltage Accuracy, TA = 25°C –0.5% 0.5% Total accuracy –1% 1% CHARGE TERMINATION, V(BAT) > VRCH, VOLTAGE REGULATION MODE SET ITERM Charge termination current range 10 150 mA 11, 100% scaling 240 260 280 10, 75% scaling 145 160 175 Battery termination detection set VTERM = V(ISET1), VTERM mV voltage (ISET1_1, SET1_0) = 01, 50% scaling 90 110 130 00, 25% scaling 40 60 75 tDGL(TERM) Deglitch time for termination detection V(ISET1) < VTERM, RTMR = 50 kΩ 22.5 ms 9 Submit Documentation Feedback |
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Description similaire - TPS65811RTQTG4 |
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