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BQ7718 Datasheet

Part Number BQ7718
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet BQ7718 DatasheetBQ7718 Datasheet (PDF)

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA .

  BQ7718   BQ7718






Part Number BQ771823
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet BQ7718 DatasheetBQ771823 Datasheet (PDF)

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA .

  BQ7718   BQ7718







Part Number BQ771817
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet BQ7718 DatasheetBQ771817 Datasheet (PDF)

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA .

  BQ7718   BQ7718







Part Number BQ771815
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet BQ7718 DatasheetBQ771815 Datasheet (PDF)

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA .

  BQ7718   BQ7718







Part Number BQ771811
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet BQ7718 DatasheetBQ771811 Datasheet (PDF)

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA .

  BQ7718   BQ7718







Part Number BQ771809
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet BQ7718 DatasheetBQ771809 Datasheet (PDF)

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA .

  BQ7718   BQ7718







Overvoltage Protection

www.ti.com BQ7718 SLUSAX1I – DECEMBER 2012 – REVISED JBUQLY72701280 SLUSAX1I – DECEMBER 2012 – REVISED JULY 2020 BQ7718 Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer 1 Features 3 Description • 2-, 3-, 4-, and 5-series cell overvoltage protection • Internal delay timer • Fixed OVP threshold • High-accuracy overvoltage protection: ± 10 mV • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT) • Low leakage current per cell input < 100 nA • Functional Safety-Capable – Documentation available to aid functional safety system design • Package footprint options: – Small 8-pin QFN (3.00 mm × 4.00 mm) – Leaded 8-pin MSOP (3.00 mm × 5.00 mm, including leads) 2 Applications • Protection for li-ion battery packs used in: – Handheld garden tools – Handheld power tools – Cordless vacuum cleaners – UPS battery backup – Light electric vehicles (eBike, eScooter, pedal assist bicycles) The BQ7718xy family of products provides an overvoltage monitor and protector for Li-Ion battery pack systems. Each cell is monitored independently for an overvoltage condition. For quicker productionline testing, the BQ7718xy device provides a Customer Test Mode (CTM) with greatly reduced delay time. In the BQ7718xy device, an internal delay timer is initiated upon detection of an overvoltage condition on any cell. Upon expiration of the delay timer, the output is triggered into its active state (either high or low depending on the configuration). Dev.


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