BQ294701DSGR-Cell Li-Ion Protector with Over/Undervoltage Detect 2ion 1µA Current 3.6V-10V Range 1ms Response Thermal Shutdown and DSBGA Package

BQ294701DSGR-Cell Li-Ion Protector with Over/Undervoltage Detect 2ion 1andmicro;A Current 3.6V-10V Range 1ms Response Thermal Shutdown andamp; DSBGA Package

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Features

andbull; 2-, 3-, and 4-series cell overvoltage protection

andbull; External capacitor-programmed delay timer

andbull; Factory programmed OVP threshold (threshold range 3.85 V to 4.6 V)

andbull; Output options: active high or open drain active low

andbull; High-accuracy overvoltage protection: andplusmn;10 mV

andbull; Low power consumption ICC andasymp; 1 andmicro;A (VCELL(ALL) andlt; VPROTECT)

andbull; Low leakage current per cell input andlt; 100 nA

andbull; Small package footprintandndash; 8-pin WSON (2.00 mm x 2.00 mm)

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Applications

andbull; Notebooks

andbull; UPS battery backup

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Description

The BQ2947 family is an overvoltage monitor and protector for Li-Ion battery pack systems. Each cell is monitored independently for an overvoltage condition.

In the BQ2947 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.

For quicker production-line testing, the BQ2947 device provides a Customer Test Mode with 67 reduced delay time.

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INFORMATION

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Drawing

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• High quality products --- our offers are 100% new and original, ROHS
• Competitive price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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Li-Ion protector IC with undervoltage detect

DSBGA package battery protection IC

1µA current Li-Ion protector

BQ294701DSGR-Cell Li-Ion Protector with Over/Undervoltage Detect 2ion 1µA Current 3.6V-10V Range 1ms Response Thermal Shutdown and DSBGA Package Images