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BQ771800 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ771800 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq771800, bq771801, bq771802 bq771803, bq771807, bq771808 bq771809, bq771815 SLUSAX1D – DECEMBER 2012 – REVISED NOVEMBER 2014 bq7718xy Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description The bq7718xy family of products provides an 1 • 2-, 3-, 4-, and 5-Series Cell Overvoltage overvoltage monitor and protector for Li-Ion battery Protection pack systems. Each cell is monitored independently • Internal Delay Timer for an overvoltage condition. For quicker production- • Fixed OVP Threshold line testing, the bq7718xy device provides a Customer Test Mode (CTM) with greatly reduced • High-Accuracy Overvoltage Protection: delay time. ± 10 mV In the bq7718xy device, an internal delay timer is • Low Power Consumption ICC ≈ 1 µA initiated upon detection of an overvoltage condition (VCELL(ALL) < VPROTECT) on any cell. Upon expiration of the delay timer, the • Low Leakage Current Per Cell Input < 100 nA output is triggered into its active state (either high or • Small Package Footprint low depending on the configuration). – 8-pin QFN (3.00 mm × 4.00 mm) Device Information Table(1) PART NUMBER PACKAGE BODY SIZE (NOM) 2 Applications bq771800 QFN (8) 3.00 mm × 4.00 mm • Protection in Li-Ion Battery Packs in: (1) For all available packages, see the orderable addendum at – Power Tools the end of the data sheet and the Device Comparison Table. – UPS Battery Backup – Light Electric Vehicles (eBike, eScooter, Pedal Assist Bicycles) 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. |
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