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Details for BQ294706DSGT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
BATT PROT OVER VOLT LI-ION WSON-8
BQ294706DSGT image

BQ294706DSGT by Texas Instruments

BATT PROT OVER VOLT LI-ION WSON-8
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 Information
BQ294706DSGT image
RoHS Compliant
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.
Specifications
Battery Type:
Li-Ion
Battery Protection:
Over Voltage
No. of Batteries:
4
Shutdown Current:
-
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:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
2S - 4S SLP with OVP = 4.55V Avnet America
2S - 4S SLP with OVP = 4.55V Avnet Europe