BQ771612 Series
Family Overvoltage Protection for 2 to 4-Series Cell Li-Ion Batts w Ext Delay Capacitor
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
Family Overvoltage Protection for 2 to 4-Series Cell Li-Ion Batts w Ext Delay Capacitor
| Part | Mounting Type | Supplier Device Package | Operating Temperature [Max] | Operating Temperature [Min] | Function | Battery Chemistry | Number of Cells [Max] [custom] | Number of Cells [Min] [custom] | Package / Case |
|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ771612DPJR | Surface Mount | 8-WSON (3x4) | 110 °C | -40 °C | Battery Protection | Lithium Ion | 4 | 2 | 8-WDFN Exposed Pad |
Texas Instruments BQ771612DPJT | Surface Mount | 8-WSON (3x4) | 110 °C | -40 °C | Battery Protection | Lithium Ion | 4 | 2 | 8-WDFN Exposed Pad |
Key Features
• 2-, 3-, and 4-series cell overvoltage protectionExternal capacitor-programmed delay timerFixed OVP thresholdHigh-accuracy overvoltage protection: ±10 mVLow power consumption ICC≈ 1 µA (VCELL(ALL)< VPROTECT)Low leakage current per cell input < 100 nASmall package footprint8-pin WSON (3.00 mm × 4.00 mm)2-, 3-, and 4-series cell overvoltage protectionExternal capacitor-programmed delay timerFixed OVP thresholdHigh-accuracy overvoltage protection: ±10 mVLow power consumption ICC≈ 1 µA (VCELL(ALL)< VPROTECT)Low leakage current per cell input < 100 nASmall package footprint8-pin WSON (3.00 mm × 4.00 mm)
Description
AI
The BQ7716xy device family provides an overvoltage monitor and protector for Li-Ion battery pack systems. Each cell is monitored independently for an overvoltage condition. For quicker production-line testing, the BQ7716xy device provides a Customer Test Mode with greatly reduced delay time.
In the BQ7716xy device, an external 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). The external delay timer feature also includes the ability to detect an open or shorted delay capacitor on the CD pin, which will similarly trigger the output driver in an overvoltage condition.
The BQ7716xy device family provides an overvoltage monitor and protector for Li-Ion battery pack systems. Each cell is monitored independently for an overvoltage condition. For quicker production-line testing, the BQ7716xy device provides a Customer Test Mode with greatly reduced delay time.
In the BQ7716xy device, an external 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). The external delay timer feature also includes the ability to detect an open or shorted delay capacitor on the CD pin, which will similarly trigger the output driver in an overvoltage condition.