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bq771802 Datasheet

Part Number bq771802
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet bq771802 Datasheetbq771802 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 .

  bq771802   bq771802






Part Number bq771809
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet bq771802 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 .

  bq771802   bq771802







Part Number bq771808
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet bq771802 Datasheetbq771808 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 .

  bq771802   bq771802







Part Number bq771807
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet bq771802 Datasheetbq771807 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 .

  bq771802   bq771802







Part Number bq771806
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet bq771802 Datasheetbq771806 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 .

  bq771802   bq771802







Part Number bq771803
Manufacturers Texas Instruments
Logo Texas Instruments
Description Overvoltage Protection
Datasheet bq771802 Datasheetbq771803 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 .

  bq771802   bq771802







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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