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BQ24192I Datasheet(PDF) 8 Page - Texas Instruments |
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BQ24192I Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 52 page  bq24190, bq24192, bq24192I SLUSAW5B – JANUARY 2012 – REVISED 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 REG00[6:3] = 0110 (4.36 V) or 1011 (4.76 V) –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 Typical input current of 1.5 A based on KLIM 1.35 1.5 1.65 A IIN_START Input current limit during system start up VSYS < 2.2 V 100 mA KILIM IIN = KILIM/RILIM IINDPM = 1.5 A 435 485 530 A x Ω D+/D- DETECTION VD+_SRC D+ voltage source 0.5 0.6 0.7 V ID+_SRC D+ connection check current source 7 14 µA ID–_SINK D– current sink 50 100 150 µA D–, switch open –1 1 µA ID_LKG Leakage current into D+/D– D+, switch open –1 1 µA VD+_LOW D+ Low comparator threshold 0.7 0.8 V VD–_LOWdatref D– Low comparator threshold 250 400 mV RD–_DWN D– Pulldown for connection check 14.25 24.8 k Ω Charging timer with 100-mA USB host in default tSDP_DEFAULT 45 mins mode 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] = 11 120 °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 COLD/HOT THERMISTER COMPARATOR (bq24190,bq24192,bq24192I) Cold temperature threshold, TS pin voltage rising Charger suspends charge. As percentage to 73.5 VLTF 73% 74% threshold VREGN % VLTF_HYS Cold temperature hysteresis, TS pin voltage falling As percentage to VREGN 0.2% 0.4% 0.6% 47.2 VHTF Hot temperature TS pin voltage rising threshold As percentage to VREGN 46.6% 48.8% % Cut-off temperature TS pin voltage falling 44.7 VTCO As percentage to VREGN 44.2% 45.2% threshold % Deglitch time for temperature out of range VTS > VLTF, or VTS < VTCO, or VTS < VHTF 10 ms detection 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% 8 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Product Folder Links: bq24190 bq24192 bq24192I |
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