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BQ24038RHLR Datasheet(PDF) 11 Page - Texas Instruments |
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BQ24038RHLR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 32 page www.ti.com FUNCTIONAL DESCRIPTIONS CHARGE CONTROL Pre-Conditioning Phase Current Regulation Phase Voltage Regulation and Charge Termination Phase Regulation Voltage Regulation Current Minimum Charge Voltage Pre− Conditioning and Term Detect Charge Current Charge Complete UDG−04087 Charge Voltage 4 20 14 7 5 12 13 3 AC USB LDO STAT2 TMR ISET2 10 11 TS PACK+ PACK− System VDC GND VBUS GND D+ D − USB Port AC Adapter + 2 STAT1 18 19 8 PSEL 9 CE 1 OUT 15 OUT 16 OUT 17 BAT 6 BAT DPPM ISET1 VSS TEMP Battery Pack 10 µF 10 µF RTMR 10 µF 10 µF 1 µF RSET USBPG ACPG UDG−04083 RDPPM Control and Status Signals bq24030/1/2/2A/5 bq24030, bq24031, bq24032, bq24032A, bq24035, bq24038, bq24039 SLUS618C – AUGUST 2004 – REVISED JUNE 2005 The bqTINY-III supports a precision Li-ion or Li-polymer charging system suitable for single-cell portable devices. See a typical charge profile, application circuit, and an operational flow chart in Figure 1 through Figure 4, respectively. Figure 1. Charge Profile Figure 2. Typical Application Circuit 11 |
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