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BQ771611DPJR Datasheet(PDF) 1 Page - Texas Instruments |
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BQ771611DPJR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page VDD V4 V3 V2 OUT CD VSS V1 RIN CIN C CD Cell 2 Cell 1 R VD CVD CIN RIN Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq771600, bq771601, bq771602 bq771604, bq771605, bq771611, bq771612 SLUSAX0D – DECEMBER 2012 – REVISED JULY 2015 bq7716xy Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries with External Delay Capacitor 1 Features 3 Description The bq7716xy device family provides an overvoltage 1 • 2-, 3-, and 4-Series Cell Overvoltage Protection monitor and protector for Li-Ion battery pack systems. • External Capacitor-Programmed Delay Timer Each cell is monitored independently for an • Fixed OVP Threshold overvoltage condition. For quicker production-line testing, the bq7716xy device provides a Customer • High-Accuracy Overvoltage Protection: Test Mode with greatly reduced delay time. ±10 mV • Low Power Consumption ICC ≈ 1 µA In the bq7716xy device, an external delay timer is 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). The external – 8-pin WSON (3.00 mm × 4.00 mm) delay timer feature also includes the ability to detect an open or shorted delay capacitor on the CD pin, which will similarly trigger the output driver in an 2 Applications overvoltage condition. • Power Tools • UPS Battery Backup Table 1. Device Information Table(1) • Light Electric Vehicles PART NUMBER PACKAGE BODY SIZE (NOM) – eBike bq771600 WSON (8) 3.00 mm × 4.00 mm – eScooter (1) For all available packages, see the orderable addendum at the end of the data sheet and the Device Comparison Table. – Pedal Assist Bicycles 4 Simplified Schematic 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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