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BQ24193 Datasheet(PDF) 8 Page - Texas Instruments |
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BQ24193 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 49 page bq24193 SLUSBG7 – DECEMBER 2014 www.ti.com Electrical Characteristics (continued) VVBUS_UVLOZ < VVBUS < VACOV and VVBUS > VBAT + VSLEEP, TJ = –40°C to 125°C and TJ = 25°C for typical values unless other noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VOLTAGE/CURRENT REGULATION VINDPM_REG_ACC Input voltage regulation accuracy –2% 2% USB100 85 100 mA USB150 125 150 mA USB Input current regulation limit, VBUS = 5 V, IUSB_DPM current pulled from SW USB500 440 500 mA USB900 750 900 mA IADPT_DPM Input current regulation accuracy Input current limit 1.5 A 1.4 1.5 1.6 A IIN_START Input current limit during system start up VSYS < 2.2 V 100 mA KILIM IIN = KILIM/RILIM IINDPM = 1.5 A 440 485 530 A x Ω BAT OVER-VOLTAGE PROTECTION VBATOVP Battery over-voltage threshold VBAT rising, as percentage of VBAT_REG 104% VBATOVP_HYST Battery over-voltage hysteresis VBAT falling, as percentage of VBAT_REG 2% Battery over-voltage deglitch time to disable tBATOVP 1 µs charge THERMAL REGULATION AND THERMAL SHUTDOWN TJunction_REG Junction temperature regulation accuracy REG06[1:0] = 11 115 120 125 °C TSHUT Thermal shutdown rising temperature Temperature increasing 160 °C TSHUT_HYS Thermal shutdown hysteresis 30 °C Thermal shutdown rising deglitch Temperature increasing delay 1 ms Thermal shutdown falling deglitch Temperature decreasing delay 1 ms JEITA THERMISTER COMPARATOR (bq24193) T1 (0°C) threshold, Charge suspended T1 below 70.8 VT1 VTS rising, As percentage to VREGN 70.2% 71.4% this temperature. % Charge back to ICHG/2 and 4.2 V above this VT1_HYS Hysteresis, VTS falling 0.6% temperature T2 (10°C) threshold, Charge back to ICHG/2 and 68.6 VT2 VTS rising, as percentage of VREGN 68.0% 69.2% 4.2 V below this temperature % Charge back to ICHG and 4.2 V above this VT2_HYS Hysteresis, VTS falling 0.8% temperature T3 (45°C) threshold, Charge back to ICHG and 4.05 56.1 VT3 VTS falling, as percentage of VREGN 55.5% 56.7% V above this temperature % Charge back to ICHG and 4.2 V below this VT3_HYS Hysteresis, VTS rising 0.8% temperature T5 (60°C) threshold, charge suspended above this 48.1 VT5 VTS falling, as percentage of VREGN 47.6% 48.6% temperature % Charge back to ICHG and 4.05 V below this VT5_HYS Hysteresis, VTS rising 1.2% temperature CHARGE OVER-CURRENT COMPARATOR IHSFET_OCP HSFET over-current threshold 5.3 7 A IBATFET_OCP System over load threshold 9 A CHARGE UNDER-CURRENT COMPARATOR (CYCLE-BY-CYCLE) VLSFET_UCP LSFET charge under-current falling threshold From sync mode to non-sync mode 100 mA PWM OPERATION FSW PWM Switching frequency, and digital clock 1300 1500 1700 kHz DMAX Maximum PWM duty cycle 97% VBTST-VSW when LSFET refresh pulse is 3.6 requested, VBUS = 5 V VBTST_REFRESH Bootstrap refresh comparator threshold V VBTST-VSW when LSFET refresh pulse is 4.2 requested, VBUS > 6 V BOOST MODE OPERATION VOTG_REG OTG output voltage I(VBUS) = 0 5.00 V VOTG_REG_ACC OTG output voltage accuracy I(VBUS) = 0 –2% 2% 8 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: bq24193 |
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