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BQ24190RGER Datasheet(PDF) 12 Page - Texas Instruments |
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BQ24190RGER Datasheet(HTML) 12 Page - Texas Instruments |
12 / 52 page STAT SCL SDA FBO CONVERTER CONTROL PGND REGN BTST REGN PG(192/192I) TSHUT T SHUT IC T J TS1 REGN LDO bq2419x PMID Q1 VBUS Q3 Q2 SW Q4 SYS BAT CHARGE CONTROL STATE MACHINE I2C Interface INT I INDPM I CHG_REG V SYSMIN V BAT_REG IC T J T REG BATLOWV BAT V (BATLOWV) SUSPEND RECHRG BAT V - V (BAT_REG) (RECHG) REFRESH V (BTST_REFRESH) V (BTST-SW) UCP I (LSFET_UCP) I(Q3) BATOVP V x V (BAT_REG) (BATOVP) BAT V INDPM PSEL(192/192I) D+ (190) D– (190) USB Host Adapter Detection OTG EN_CHARGE EN_BOOST BAD_SRC I (BADSRC) I DC BAT_GD V (BATGD) BAT EN_HIZ USB Adapter 1.5A TERMINATION I TERM I CHG BATSHORT BAT V (SHORT) CONVERTER CONTROL STATE MACHINE Q2_OCP I (HSFET_OCP) I(Q2) SYS BAT REF DAC I CHG_REG V (VBUS_UVLOZ) UVLO V +V (BATZ) (SLEEP) SLEEP V (AC0V) ACOV EN_HIZ CE ILIM TS2 I CHG V BAT_REG Q4 Gate Control bq24192I bq24190/192 Q3_OCP_BOOST I (OTG_ILIM) I(Q3) Q2_UCP_BOOST I (OTG_HSZCP) I(Q2) VBUS_OVP_BOOST V (OTG_OVP) VBUS BATTERY THERMISTER SENSING (bq24190/192/ 192I Hot/Cold) Q1 Gate Control bq24190, bq24192, bq24192I SLUSAW5B – JANUARY 2012 – REVISED DECEMBER 2014 www.ti.com 9 Detailed Description 9.1 Overview The bq24190, bq24192, bq24192I is an I2C controlled power path management device and a single cell Li-Ion battery charger. It integrates the input reverse-blocking FET (RBFET, Q1), high-side switching FET (HSFET, Q2), low-side switching FET (LSFET, Q3), and BATFET (Q4) between system and battery. The device also integrates the bootstrap diode for the high-side gate drive. 9.2 Functional Block Diagram 12 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Product Folder Links: bq24190 bq24192 bq24192I |
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