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BQ24050 Datasheet(PDF) 6 Page - Texas Instruments |
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BQ24050 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 37 page  bq24050 bq24052 bq24055 SLUS940A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009.................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS (continued) Over junction temperature range 0°C ≤ TJ ≤ 125°C and recommended supply voltage (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CTS Optional Capacitance – ESD 0.22 μF bq24050/2/5 Low temperature CHG Low Temp Charging to Pending; VTS-0°C 1205 1230 1255 mV Pending VTS: 1V → 1.5V Charge pending to low temp charging; VTS: 1.5V → VHYS-0°C Hysteresis at 0°C 86 mV 1V Normal charging to low temp charging; VTS: 0.5V VTS-10°C Low temperature, half charge 765 790 815 mV → 1V Low temp charging to normal CHG; VHYS-10°C Hysteresis at 10°C 35 mV VTS: 1V → 0.5V Normal charging to high temp CHG; VTS-45°C High temperature at 4.1V 263 278 293 mV VTS: 0.5V → 0.2V High temp charging to normal CHG; VHYS-45°C Hysteresis at 45°C 10.7 mV VTS: 0.2V → 0.5V High temp charge to pending; VTS-60°C High temperature Disable 170 178 186 mV VTS: 0.2V → 0.1V Charge pending to high temp CHG; VHYS-60°C Hysteresis at 60°C 11.5 mV VTS: 0.1V → 0.2V Normal to Cold Operation: VTS: 0.6V → 1V 50 tDGL(TS_10C) Deglitch for TS thresholds: 10C. ms Cold to Normal Operation: VTS: 1.0V → 0.6V 12 tDGL(TS) Deglitch for TS thresholds: 0/45/60C. Battery charging 30 ms VTS-EN-10k Charge Enable Threshold, (10k NTC) VTS: 0V → 0.175V; 80 88 96 mV HYS below VTS-EN-10k to Disable, (10k VTS-DIS_HYS-10k VTS: 0.125V → 0V; 12 mV NTC) Charge Enable Threshold, (100k VTS-EN-100k VTS: 0V → 0.175V 140 150 160 mV NTC) VTS-DIS_HYS- HYS below VTS-EN-100k to Disable, VTS: 0.125V → 0V; 50 mV 100k (100k NTC) THERMAL REGULATION TJ(REG) Temperature regulation limit 125 °C TJ(OFF) Thermal shutdown temperature 155 °C TJ(OFF-HYS) Thermal shutdown hysteresis 20 °C LOGIC LEVELS ON ISET2 VIL Logic LOW input voltage Sink more than 8 μA 0.4 V VIH Logic HIGH input voltage Source more than 8 μA 1.4 V IIL Sink current required for LO 2 9 μA IIH Source current required for HI 1.1 8 μA VFLT ISET2 Float Voltage 650 900 1200 mV 6 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): bq24050 bq24052 bq24055 |
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