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BQ24705 Datasheet(PDF) 6 Page - Texas Instruments |
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BQ24705 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 32 page  ELECTRICAL CHARACTERISTICS bq24705 SLUS779B – DECEMBER 2007 – REVISED MARCH 2009............................................................................................................................................... www.ti.com 7 V ≤ VPVCC ≤ 24 V, 0°C < TJ < +125°C, typical values are at TA = 25°C, with respect to AGND (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OPERATING CONDITIONS VPVCC_OP PVCC Input voltage operating range 5 24 V CHARGE VOLTAGE REGULATION VBAT_REG_RNG BAT voltage regulation range 4V-4.512V per cell, times 2,3,4 cell 8 18 V VADJ_OP VADJ voltage range 0 REGN V 8 V, 8.4 V, 9.024 V –0.5% 0.5% Charge voltage regulation accuracy 12 V, 12.6 V, 13.536 V –0.5% 0.5% 16 V, 16.8 V, 18.048 V –0.5% 0.5% Charge voltage regulation set to default to VADJ connected to REGN, 8.4 V, 12.6 –0.5% 0.5% 4.2 V per cell V, 16.8 V CHARGE CURRENT REGULATION VIREG_CHG Charge current regulation differential VIREG_CHG = VSRP – VSRN 0 100 mV voltage range VSRSET_OP SRSET voltage range 0 VREF V VIREG_CHG = 40–100 mV –3% 3% VIREG_CHG = 20 mV –5% 5% Charge current regulation accuracy VIREG_CHG = 5 mV –25% 25% VIREG_CHG = 1.5 mV ( VBAT ≥ 4V) –33% 33% INPUT CURRENT REGULATION Adapter current regulation differential VIREG_DPM VIREG_DPM = VACP – VACN 0 100 mV voltage range VACSET_OP ACSET voltage range 0 VREF V VIREG_DPM = 40–100 mV –3% 3% VIREG_DPM = 20 mV –5% 5% Input current regulation accuracy VIREG_DPM = 5 mV –25% 25% VIREG_DPM = 1.5 mV –33% 33% VREF REGULATOR VVREF_REG VREF regulator voltage VACDET > 0.6 V, 0-30 mA 3.267 3.3 3.333 V IVREF_LIM VREF current limit VVREF = 0 V, VACDET > 0.6 V 35 75 mA REGN REGULATOR VACDET > 0.6 V, 0-75 mA, VREGN_REG REGN regulator voltage 5.6 5.9 6.2 V PVCC > 10 V IREGN_LIM REGN current limit VREGN = 0 V, VACDET > 0.6 V 90 135 mA ADAPTER CURRENT SENSE AMPLIFIER VACP/N_OP Input common mode range Voltage on ACP/ACN 0 24 V VIADAPT IADAPT output voltage range 0 2 V IIADAPT IADAPT output current 0 1 mA AIADAPT Current sense amplifier voltage gain AIADAPT = VIADAPT / VIREG_DPM 20 V/V VIREG_DPM = 40–100 mV –2% 2% VIREG_DPM = 20 mV –3% 3% Adapter current sense accuracy VIREG_DPM = 5 mV –25% 25% VIREG_DPM = 1.5 mV –30% 30% IIADAPT_LIM Output current limit VIADAPT = 0 V 1 mA CIADAPT_MAX Maximum output load capacitance For stability with 0 mA to 1 mA load 100 pF 6 Submit Documentation Feedback Copyright © 2007–2009, Texas Instruments Incorporated Product Folder Link(s) :bq24705 Not Recommended for New Designs |
Similar Part No. - BQ24705_15 |
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Similar Description - BQ24705_15 |
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