BQ7716

AKTIV

Überspannungsschutz für 2 bis 4 serielle Li-Ion-Akkuzellen mit externem Verzögerungskondensator

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Datenblatt

document-pdfAcrobat BQ7716xy Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries with External Delay Capacitor datasheet (Rev. E) (Englisch) PDF | HTML

BQ7716

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Function

Protection

Number of series cells (min)

2, 3, 4

Number of series cells (max)

3, 4

Features

External delay capacitor, Overvoltage, Single pin output drive

Operating current (typ) (µA)

1

Rating

Catalog

Vin (max) (V)

20

Overvoltage protection

3.85, 3.9, 4.2, 4.225, 4.3, 4.35

Operating temperature range (°C)

-40 to 85

Battery overvoltage protection (min) (V)

3.85

Battery overvoltage protection (max) (V)

4.6

Function

Protection

Number of series cells (min)

2, 3, 4

Number of series cells (max)

3, 4

Features

External delay capacitor, Overvoltage, Single pin output drive

Operating current (typ) (µA)

1

Rating

Catalog

Vin (max) (V)

20

Overvoltage protection

3.85, 3.9, 4.2, 4.225, 4.3, 4.35

Operating temperature range (°C)

-40 to 85

Battery overvoltage protection (min) (V)

3.85

Battery overvoltage protection (max) (V)

4.6

WSON (DPJ)

8

12 mm² 4 x 3

2-, 3-, and 4-series cell overvoltage protection
External capacitor-programmed delay timer
Fixed OVP threshold
High-accuracy overvoltage protection: ±10 mV
Low power consumption I_CC ≈ 1 µA (V_CELL(ALL) < V_PROTECT)
Low leakage current per cell input < 100 nA
Small package footprint
- 8-pin WSON (3.00 mm × 4.00 mm)

2-, 3-, and 4-series cell overvoltage protection
External capacitor-programmed delay timer
Fixed OVP threshold
High-accuracy overvoltage protection: ±10 mV
Low power consumption I_CC ≈ 1 µA (V_CELL(ALL) < V_PROTECT)
Low leakage current per cell input < 100 nA
Small package footprint
- 8-pin WSON (3.00 mm × 4.00 mm)

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.

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	Typ	Titel		Datum
*	Data sheet	BQ7716xy Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries with External Delay Capacitor datasheet (Rev. E)	PDF \| HTML	14 Apr 2021

Design und Entwicklung

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BQ7716

Überspannungsschutz für 2 bis 4 serielle Li-Ion-Akkuzellen mit externem Verzögerungskondensator

BQ7716

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Design und Entwicklung

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