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BQ28Z560-R1 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ28Z560-R1 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 60 page  bq28z560-R1 www.ti.com SLUSBD3 – APRIL 2013 bq28z560-R1 Single Cell Li-Ion Battery Gas Gauge and Protection Check for Samples: bq28z560-R1 1 FEATURES • Firmware Control of Discharge FET • SHA-1/HMAC Battery Authentication 23 • A Comprehensive Single Cell Li-Ion Battery Manager Integrates All Essential Functions: • I2C™ Communications Interface or HDQ Single Wire – Gas Gauge • 12-pin, 2.5-mm x 4.0-mm SON Package – Low-Side N-CH FET Protection Control – JEITA/Enhanced Charging APPLICATIONS – Authentication • Tablet PCs • Impedance Track™ Gas Gauging • Slates • Protection Functions Help to Prevent: • Digital Still and Video Cameras – Short-Circuit • Handheld Terminals – Overcurrent Charge and Discharge • MP3 or Multimedia Players – Overvoltage Charge (Overcharge) – Undervoltage (Over-Discharge) DESCRIPTION The Texas Instruments bq28z560-R1 device is a battery gas gauge with current and voltage protection, and secure, SHA-1/HMAC authentication for single-cell Li-Ion battery packs. Designed for battery pack integration, the bq28z560-R1 requires host microcontroller firmware support for implementation. A system processor communicates with the bq28z560-R1 using one of two options: an I2C™ serial interface or an HDQ single-wire configuration to obtain remaining battery capacity, system run-time predictions, and other critical battery information. The bq28z560-R1 uses the accurate Texas Instruments Impedance Track™ gas gauging algorithm to report the status of the cell. The gauge provides information such as state-of-charge (%), run-time to empty (min.), charge time to full (min.), battery voltage (V), and pack temperature (°C). The bq28z560-R1 features integrated support for secure battery pack authentication, using the SHA-1/HMAC authentication algorithm. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 Impedance Track is a trademark of Texas Instruments. 3 I2C is a trademark of NXP B.V. Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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