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BQ21062 Scheda tecnica(PDF) 15 Page - Texas Instruments |
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BQ21062 Scheda tecnica(HTML) 15 Page - Texas Instruments |
15 / 69 page 9 Detailed Description 9.1 Overview The IC is a highly programmable battery management device that integrates a 500-mA linear charger for single cell Li-Ion batteries, a general purpose LDO that may be configured as a load switch, and a push-button controller. Through it's I2C interface the host may change charging parameters such as battery regulation voltage and charge current, and obtain detailed device status and fault information. The push-button controller allows the user to reset the system without any intervention from the host and wake up the device from Ship Mode. 9.2 Functional Block Diagram LDO, and BAT FET Control Device Control VIN Charge Enable I2C Interface Low Power Mode Control Charge Control LDO / Load Switch Control Thermal Shutdown IBATREG LDO Control UVLO VBATREG VIN_DPM BAT VIN + ± /Power Good GP Output Interrupt JEITA/Temp Information For Charge Control S G D S G D Q7 Q8 IN GND VIO /CE SCL SDA /LP /MR /INT /PG PMID VDD VINLS LDO BAT TS VBATUVLO Q5/Q6 1.045 x VBAT PMID_REG 9.3 Feature Description 9.3.1 Linear Charger and Power Path The BQ21062 IC integrates a linear charger that allows the battery to be charged with a programmable charge current of up to 500 mA. In addition to the charge current, other charging parameters can be programmed www.ti.com BQ21062 SLUSE42 – JULY 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 15 Product Folder Links: BQ21062 |
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