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BQ294522DRVR Datasheet(PDF) 1 Page - Texas Instruments |
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BQ294522DRVR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page DRV Package (Top View) 1 2 3 4 5 6 OUT VDD V1 V3 V2 VSS PWR PAD bq294502, bq294504, bq294512, bq294515 bq294522, bq294524, bq294532, bq294562 bq294572, bq294582, bq294592 www.ti.com SLUSAJ3C – SEPTEMBER 2011 – REVISED MAY 2012 Overvoltage Protection for 2-Series and 3-Series Cell Li-Ion Batteries Check for Samples: bq294502, bq294504, bq294512, bq294515, bq294522, bq294524, bq294532, bq294562, bq294572, bq294582, bq294592 1 FEATURES • Low Power Consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • 2-Series and 3-Series Cell Monitor for • Low leakage current per cell input < 100 nA Secondary Protection • Small package footprint • Fixed Programmable Delay Timer – 6-pin SON • Fixed OVP Threshold: – bq294502 = 4.35 V with 4-s Delay Timer APPLICATIONS – bq294504 = 4.35 V with 6.5-s Delay Timer • 2nd-Level Protection in Li-Ion Battery Packs in: – bq294512 = 4.40 V with 4-s Delay Timer – Tablets – bq294515 = 4.425 V with 4-s Delay Timer – Slates – bq294522 = 4.45 V with 4-s Delay Timer – Power Tools – bq294524 = 4.45 V with 6.5-s Delay Timer – Notebook Computers – bq294532 = 4.50 V with 4-s Delay Timer – Portable Equipment and Instrumentation – bq294562 = 4.25 V with 4-s Delay Timer – bq294572 = 4.00 V with 4-s Delay Timer – bq294582 = 4.225 V with 4-s Delay Timer – bq294584 = 4.225 V with 6.5-s Delay Timer – bq294592 = 4.30 V with 4-s Delay Timer • High-Accuracy Overvoltage Protection: ± 10 mV DESCRIPTION The bq2945xy family of products is a secondary level voltage monitor and protector for Li-Ion battery pack systems. Each cell is monitored independently for an overvoltage condition. Based on the configuration, an output is triggered after a fixed delay if any one of the two or three cells has an overvoltage condition. This output will be triggered into a high state after an overvoltage condition has satisfied the specified delay timer. 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. UNLESS OTHERWISE NOTED this document contains Copyright © 2011–2012, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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