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BQ24040 Datasheet(PDF) 9 Page - Texas Instruments |
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BQ24040 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 31 page OUT Charge Pump IN OUT OUTREGREF TJ°C 125°CREF IN IN ISET Charge Pump PRE-TERM 75mA + CHARGE CONTROL OUT VTERM_EN ISET2 (LO=ISET,HI=USB500, FLOAT =USB100) VCOLD-FLT VHOT-45 C o VTTDM VCE TS/BAT_EN 5 A m 45 A m VCLAMP = 1.4V ColdTemperature SinkCurrent =45 A m LO =TTDMMODE HI=CHIP DISABLE OUT CHG ON: OnDuring 1stChargeOnly OFF: +Increasedfrom 75 A to85 A for m m 1 st minuteofcharge. + _ + _ + _ + _ + _ + _ InternalCharge CurrentSense w/ MultipleOutputs USBSense Resistor USB100/500REF + _ 1.5V FASTCHARGE PRE-CHARGE PG HI =SuspendCHG VCOLD-10 C o VHOT-FLT HI =HalfCHG(JEITA) HI =4.06Vreg(JEITA) VDISABLE + _ bq24041 ThisComparatorOnly – NoTSFeatures ASI ASO OUT + - 80 mV Input Power Detect + _ IN-DPMREF 0.9VFloat bq24041 Only Bq24040 Only TS - bq24040 BAT_EN -bq24041 + _ Disable SinkCurrent =20 A m 200kW Bq24040 isasshown Bq24041 hasnoCurrentSinksandonly 5mA CurrentSource X2Gain(1:2) Term:Pre-CHGX2 TermReference Pre-CHGReference I x1.5V 540 A OUT W T C J o 150 C ThermalShutdown o REF IN OVPREF bq24040 bq24041 www.ti.com.................................................................................................................................... SLUS941A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009 FUNCTIONAL BLOCK DIAGRAM Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): bq24040 bq24041 |
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