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Battery Protection IC BQ771808DPJR 2-5 Cell Overvoltage Protector Series with Internal Delay Timer
Shenzhen Mingjiada Electronics Co., Ltd. bulk supply Battery Protection ICs - BQ771808DPJR - 2-5 Cell Overvoltage Protectors Series with Internal Delay TimerDescription of BQ771808DPJRThe BQ7718xy series provides overvoltage monitors and protectors fo…
Shenzhen Mingjiada Electronics Co., Ltd. bulk supply Battery Protection ICs - BQ771808DPJR - 2-5 Cell Overvoltage Protectors Series with Internal Delay Timer
Description of BQ771808DPJR
The BQ7718xy series provides overvoltage monitors and protectors for lithium-ion battery pack systems. Each battery is independently monitored for an overvoltage condition. For faster line testing, the BQ7718xy devices are available in Customer Test Mode (CTM) with significantly reduced latency.
In the BQ7718xy, an internal delay timer is started when an overvoltage condition is detected on any cell. When the delay timer times out, the output is triggered into its operating state (high or low depending on the configuration).
The BQ771808DPJR lithium-ion battery pack protection can be applied to:
- Handheld gardening tools
- Handheld power tools
- Cordless hoovers
- UPS battery backup
- Light electric vehicles (e-bikes, e-scooters, pedal-assisted bicycles)
Features of BQ771808DPJR
Overvoltage protection for 2, 3, 4 and 5 cells in series
Internal delay timer
Fixed OVP threshold
Highly accurate overvoltage protection: ±10mV
Low power ICC ≈ 1µA (VCELL(ALL) < VPROTECT)
Low leakage current of less than 100nA per battery input
Provides Functional Safety
Documentation to aid in functional safety system design
Package size options:
Small 8-pin QFN (3.00mm × 4.00mm) package
Leaded 8-pin MSOP (3.00mm × 5.00mm with leads)
Time:2025-02-22
Time:2025-02-22
Time:2025-02-22
Time:2025-02-22
Contact Number:86-755-83294757
Enterprise QQ:1668527835/ 2850151598/ 2850151584/ 2850151585
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