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Texas Instruments BQ29706DSER — Discrete Semiconductors

BQ29706DSER Battery Protection IC, Li-Ion/Polymer, 1-Cell

MPNBQ29706DSER
End of Life

Texas Instruments BQ29706DSER battery protection IC for single-cell Lithium Ion/Polymer packs, fault protection (over current, over/under voltage, short circuit), 6-WSON (1.5x1.5) package, -40°C to 85°C operation.

$0.63Ref. price · indicative, final on quote
Texas Instruments BQ29706DSER datasheet (PDF)
Packaging6-WFDFN
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

BQ29706DSER specifications
ParameterValue
MountingSurface Mount
Operating temperature-40°C ~ 85°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)
FunctionBattery Protection
Case6-WFDFN
Number of cells1
Fault protectionOver Current, Over/Under Voltage, Short Circuit
Battery chemistryLithium Ion/Polymer

Product details

What the protection thresholds mean for your BOM

The BQ29706DSER monitors cell voltage and pack current continuously. Over-voltage detection prevents charging beyond a safe cell voltage; under-voltage cuts off discharge before the cell is deeply depleted. Over-current and short-circuit protection trip on excessive load current, protecting the cell and the downstream circuitry. For a single-cell Li-Po or Li-Ion pack in a handheld device, this IC covers the standard protection requirements without needing external comparators or a separate supervisor.

Frequently asked questions

Does BQ29706DSER have overvoltage protection?

Yes, the BQ29706DSER includes over-voltage protection as part of its fault-protection feature set, along with under-voltage, over-current, and short-circuit detection.

Is BQ29706DSER suitable for Li-Polymer batteries?

Yes, the BQ29706DSER is specified for both Lithium Ion and Lithium Polymer chemistries.