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BQ24751BRHDTG4 Datasheet(PDF) 10 Page - Texas Instruments |
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BQ24751BRHDTG4 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 38 page  TYPICAL CHARACTERISTIC bq24751B SLUS835A – JULY 2008 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com Table of Graphs(1) Figure VREF Load and Line Regulation vs Load Current Figure 3 REGN Load and Line Regulation vs Load Current Figure 4 BAT Voltage vs VADJ/VDAC Ratio Figure 5 Charge Current vs SRSET/VDAC Ratio Figure 6 Input Current vs ACSET/VDAC Ratio Figure 7 BAT Voltage Regulation Accuracy vs Charge Current Figure 8 BAT Voltage Regulation Accuracy Figure 9 Charge Current Regulation Accuracy Figure 10 Input Current Regulation (DPM) Accuracy Figure 11 VIADAPT Input Current Sense Amplifier Accuracy Figure 12 Input Regulation Current (DPM), and Charge Current vs System Current Figure 13 Transient System Load (DPM) Response Figure 14 Charge Current Regulation vs BAT Voltage Figure 15 Efficiency vs Battery Charge Current Figure 16 Battery Removal (from Constant Current Mode) Figure 17 ACDRV and BATDRV Startup Figure 18 REF and REGN Startup Figure 19 System Selector on Adapter Insertion with 390- µF SYS-to-PGND System Capacitor Figure 20 System Selector on Adapter Removal with 390- µF SYS-to-PGND System Capacitor Figure 21 System Selector LEARN Turn-On with 390- µF SYS-to-PGND System Capacitor Figure 22 System Selector LEARN Turn-Off with 390- µF SYS-to-PGND System Capacitor Figure 23 System selector on Adapter Insertion Figure 24 Selector Gate Drive Voltages, 700 ms delay after ACDET Figure 25 Charger on Adapter Removal Figure 26 Charge Enable / Disable and Current Soft-Start Figure 27 Nonsynchronous to Synchronous Transition Figure 28 Synchronous to Nonsynchronous Transition Figure 29 Near 100% Duty Cycle Bootstrap Recharge Pulse Figure 30 Battery Shorted Charger Response, Over Current Protection (OCP) and Charge Current Regulation Figure 31 Continuous Conduction Mode (CCM) Switching Waveforms Figure 32 Discontinuous Conduction Mode (DCM) Switching Figure 33 Waveforms (1) Test results based on Figure 2 application schematic. VIN = 20 V, VBAT = 3-cell Li-Ion, ICHG = 3 A, IADAPTER_LIMIT = 4 A, TA = 25°C, unless otherwise specified. 10 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Link(s) :bq24751B Not Recommended For New Designs |
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