BQ294706DSGT

Electronic & Electrical Components

> Semiconductors - ICs

> Battery Management

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Series Information for BQ294706DSGT - Texas Instruments

Features

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

Description

BATT PROT OVER VOLT LI-ION WSON-8
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

Avnet America

2S - 4S SLP with OVP = 4.55V

Avnet Europe

2S - 4S SLP with OVP = 4.55V