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BQ294604DRVT Datasheet(PDF) 1 Page - Texas Instruments |
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BQ294604DRVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 21 page VCELL OUT VDD VSS bq2946xx Pack + Pack – NC V1 VSS RVD CVD RIN CIN Product Folder Order Now Technical Documents Tools & Software Support & Community 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. PRODUCTION DATA. bq294602, bq294604, bq294682, bq294624 SLUSAS0D – DECEMBER 2011 – REVISED APRIL 2017 bq2946xx Single-Cell Protector for Li-Ion Batteries 1 1 Features 1 • Single-Cell Overvoltage Monitor for Secondary Protection • Fixed Programmable Delay Timer • Fixed Overvoltage Protection (OVP) Threshold – Available Range of 3.85 V to 4.6 V • Fixed OVP Delay Option: 4 s or 6.5 s • High-Accuracy OVP: ± 10 mV • Low Power Consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low Leakage Current per Cell Input < 100 nA • Small Package Footprint – 6-Pin SON 2 Applications • Second-Level Protection in Li-Ion Battery Packs in: – Tablets – Slates – Portable Equipment and Instrumentation 3 Description The bq2946xx family of products is a secondary-level overvoltage monitor and protector for Li-Ion battery pack systems. The cell is monitored for overvoltage condition and triggers an internal counter once the OVP threshold is exceeded; after a fixed set delay, the out is transitioned to a high level. The output is reset (goes low) if the cell voltage drops below the set threshold minus the hysteresis. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) bq294602 SON (6) 2.00 mm × 2.00 mm bq294604 bq294682 bq294624 (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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