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HPA02235YZFR Datasheet(PDF) 6 Page - Texas Instruments |
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HPA02235YZFR Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 49 page  bq27520-G3 SLUSAP0 – DECEMBER 2011 www.ti.com 3.3 Power-On Reset TA = –40°C to 85°C, typical values at TA = 25°C and VREGIN = 3.6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIT+ Positive-going battery voltage input at VCC 2.09 2.20 2.31 V VHYS Power-on reset hysteresis 45 115 185 mV 3.4 2.5-V LDO Regulator TA = 25°C, CLDO25 = 1μF, VREGIN = 3.6V (unless otherwise noted) PARAMETER TEST CONDITION MIN NOM MAX UNIT 2.5 V LDO Regulator(1) 2.7V ≤ VREGIN ≤ 4.5V, IOUT ≤ 16mA TA = –40°C to 85°C 2.4 2.5 2.54 V VREG25 Regulator output voltage 2.45V ≤ VREGIN < 2.7V (low battery), TA = –40°C to 85°C 2.4 V IOUT ≤ 3mA CE High-level input VIH(CE) 2.65 voltage VREGIN = 2.7 to 4.5V TA = –40°C to 85°C V CE Low-level input VIL(CE) 0.8 voltage 2.7V, IOUT ≤ 16mA TA = –40°C to 85°C 325 VDO Regulator dropout voltage mV 2.45V, IOUT ≤ 3mA TA = –40°C to 85°C 50 Regulator output change ΔVREGTEMP VREGIN = 3.6V, IOUT = 16mA TA = –40°C to 85°C 0.5% with temperature ΔVREGLINE Line regulation 2.7V ≤ VREGIN ≤ 4.5V, IOUT = 16mA 18 40 mV 0.2mA ≤ IOUT ≤ 3mA, VREGIN = 2.45 V 34 40 ΔVREGLOAD Load regulation mV 3mA ≤ IOUT ≤ 16mA, VREGIN = 2.7 V 31 ISHORT (2) Short circuit current limit VREG25 = 0V TA = –40°C to 85°C 250 mA (1) LDO output current, IOUT, is the total load current. LDO regulator should be used to power internal fuel gauge only. (2) Assured by design. Not production tested. 3.5 Internal Temperature Sensor Characteristics TA = –40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT GTEMP Temperature sensor voltage gain –2 mV/°C 3.6 High-Frequency Oscillator TA = –40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fOSC Operating frequency 2.097 MHz TA = 0°C to 60°C –2% 0.38% 2% fEIO Frequency error(1) (2) TA = –20°C to 70°C –3% 0.38% 3% TA = –40°C to 85°C –4.5% 0.38% 4.5% tSXO Start-up time(3) 2.5 5 ms (1) The frequency error is measured from 2.097 MHz. (2) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C. (3) The start-up time is defined as the time it takes for the oscillator output frequency to be within ±3% of typical oscillator frequency. 6 ELECTRICAL SPECIFICATIONS Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links :bq27520-G3 Not Recommended for New Designs |
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