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BQ24650 Datasheet(PDF) 11 Page - Texas Instruments |
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BQ24650 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 33 page VCC BTST HIDRV PH REGN LODRV GND TS VFB SRP 6V LDO V(SRP-SRN) COMP ERROR AMPLIFIER 20 uA 1V 2.1 V 0.8V SRN STATE MACHINE LOGIC BATTERY DETECTION LOGIC VCC PH 4V + _ BTST REFRESH CE 145 C ° IC Tj TSHUT SRN+100 mV VCC SLEEP LEVEL SHIFTER + - + - + - V(SRP-SRN) CHG_OCP + - 200% X IBAT_REG SYNCH SRP-SRN IBAT_ REG 0.8V 0.8V 10 5 mV 20X VFB BAT_OVP + - 104% X 2.1V LTF + - HTF VREF TCO + - + - SUSPEND VCC ACOV + - 32V CE VREF STAT 1 STAT1 3.3V LDO VCC VFB LOWV + - RCHRG + - 1.5V + - 2.05V VFB LOWV RCHRG TERM + - V(SRP - SRN) TERM TERMINATE CHARGE + - bq24650 + - + - UVLO VUVLO VCC SLEEP UVLO PWM CONTROL LOGIC PWM + - + - + - STAT 2 + - CHARGE 20uA DISCHARGE CHARGE 8 mA BAT_OVP VOLTAGE REFERENCE VREF 0.8V 10 STAT2 30 Minute Precharge Timer FAULT FAULT 2 mA DISCHARGE MPPSET 1.2 V + - 175 mV + - TERM_EN FBO EAI EAO bq24650 www.ti.com SLUSA75 – JULY 2010 BLOCK DIAGRAM Figure 15. Functional Block Diagram Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): bq24650 |
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