BQ294708DSGT Part Information

Details for BQ294708DSGT by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Battery Management

Part 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 reduced delay time.

Part Downloads

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Part Features

  • 2-, 3-, and 4-Series Cell Overvoltage Protection
  • External Capacitor-Programmed Delay Timer
  • Factory Programmed OVP Threshold (Threshold Range 3.85 V to 4.6 V)
  • High-Accuracy Overvoltage Protection: u00b110 mV
  • Low Leakage Current Per Cell Input < 100 nA
  • Low Power Consumption ICC u2248 1 u00b5A (VCELL(ALL) < VPROTECT)
  • Output Options: Active High or Open Drain Active Low
  • Small Package Footprint

Part Specifications

Battery Type Li-Ion
Battery Protection Over Voltage
No. of Batteries 4
Shutdown Current 1µA
Battery IC Case Style WSON
No. of Pins 8Pins
Supply Voltage Min 3V
Supply Voltage Max 20V
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant Yes
MSL -
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

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