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BQ24006PWPRG4 Datasheet(PDF) 10 Page - Texas Instruments |
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BQ24006PWPRG4 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 27 page U1 N/C N/C 1 20 IN OUT 2 19 IN OUT 3 18 VCC VSENSE 4 17 ISNS AGND 5 16 N/C STAT2 6 15 APG/THM STAT1 7 14 VSEL CR 9 12 EN TMR SEL 8 13 GND N/C 10 11 VCC C2 0.1 µF R1 0.1 Ω C1 10 µF + DC- DC+ VCC bq24005PWP TEMP PACK+ PACK- R2 18.7 k Ω C3 0.22 µF + - C4 1 µF Battery Pack R4 500 Ω D1 VCC R5 500 Ω D2 R3 95.3 k Ω bq24004 bq24005 bq24006 SLUS476F – DECEMBER 2000 – REVISED MAY 2012 www.ti.com APPLICATION INFORMATION Figure 13. Li-ION/Li-POL Charger • If the TMR SEL pin is left floating (3 HR time), a 10-pF capacitor should be installed between TMR SEL and CR. • If a micro process is monitoring the STAT pins, it may be necessary to add some hysteresis into the feedback to prevent the STAT pins from cycling while crossing the taper detect threshold (usually less than one half second). See SLUU083 EVM or SLUU113 EVM for additional resistors used for the STAT pins. FUNCTIONAL DESCRIPTION The bq2400x supports a precision current- and voltage-regulated Li-Ion charging system suitable for cells with either coke or graphite anodes. See Figure 14 for a typical charge profile and Figure 15 for an operational flowchart. 10 Submit Documentation Feedback Copyright © 2000–2012, Texas Instruments Incorporated Product Folder Link(s): bq24004 bq24005 bq24006 |
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