BQ296111DSGT Part Information

Details for BQ296111DSGT by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Battery Management

Part Description

The bq296xxx family is a high accuracy, low power overvoltage protector with a 1-mA regulated output supply for Li-Ion battery pack applications. Each cell in a 2-series to 4-series cell stack is individually monitored for an overvoltage condition. An internally fixed-delay timer is initiated upon detection of an overvoltage condition on any cell; upon expiration of the delay timer, an output pin is triggered into an active state to indicate that an overvoltage condition has occurred. The regulated output supply delivers up to 1-mA (max) output current to drive always-on circuits, such as a real-time clock (RTC) oscillator. The bq296xxx family has a self-disable function to turn off the regulated output if any cell voltage falls below a certain threshold, thereby preventing drain on the battery, and provides an external control to enable or disable the regulated output.

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Part Features

  • 2-Series, 3-Series, and 4-Series Cell Overvoltage Protection (OVP)
  • Extra Low Power Consumption With REG Output Disabled, ICC ~ 1.2 u00b5A
  • Factory Programmed OVP Threshold (Threshold Range 3.85 V to 4.6 V)
  • Fixed Delay Timer to Trigger FET Drive Output (3-s, 4-s, 5.5-s or 6.5-s Options)
  • High-Accuracy Overvoltage Protection: u00b110 mV
  • Low Leakage Current Per Cell Input < 100 nA
  • Low Power Consumption ICC u2248 4 u00b5A (VCELL(ALL) < VPROTECT)
  • Output Options: Active High
  • Regulated Supply Output With Self-Disable and/or External Enable/Disable Control u2013 Options: 3.3-V, 2.5-V, and 1.8-V (bq2960, bq2961) u2013 Options: 3.3-V, 3.15-V, 3.0-V (bq2962)
  • Small Package Footprint

Part Specifications

Battery Type Li-Ion
IC Interface Type -
No. of Batteries 4
Supply Voltage Min 3V
Supply Voltage Max 20V
Battery IC Case Style WSON
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 110°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

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