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BQ24270YFFT Datasheet(PDF) 7 Page - Texas Instruments |
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BQ24270YFFT Datasheet(HTML) 7 Page - Texas Instruments |
7 / 38 page USB SW + + BOOT DRV SYS BAT VMINSYS BGATE STAT SDA SCL + + VDRV TS TS COLD TS HOT TS WARM TS COOL 1C/ 0.5C DISABLE VSYSREG Comparator + PMID DC-DC CONVERTER PWM LOGIC, COMPENSATION AND BATTERY FET CONTROL VBATREG – 0.14V 5.2V Reference VBATSHRT + VBATSC Comparator VBAT Termination Comparator CHARGE CONTROLLER w/ Timers Termination Reference VBATREG – 0.12V + Recharge Comparator VBAT VSYS Enable Linear Charge PGND D- Q3 Q2 Q1 CbC Current Limit D+ USB Adapter Detection Circuitry 1.5A / USB100 INT I2C Interface References Enable IBATSHRT + Supplement COMPARATOR VBAT VBSUP VSYS Hi-Impedance Mode PSEL bq24271 bq24270 + Sleep Comparator VBAT+VSLP VUSB VBAT Good Battery Circuit 5A + USB IUSBLIM USB VINDPM VSYS(REG) IBAT(REG) VBAT(REG) DIE Temp Regulation IBAT VBATGD Start Recharge Cycle DISABLE + OVP Comparator VUSBOVP VUSB VBATOVP + VBOVP Comparator VBAT CD Hi-Z Mode BYP bq24270 bq24271 www.ti.com SLUSB10 – JUNE 2012 BLOCK DIAGRAM Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): bq24270 bq24271 |
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