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Texas Instruments BQ24130RHLR — Power Management (PMIC / Gate Driver)
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RoHS Compliant · Lead-Free EIA-481 Standard
Texas Instruments / Power Management (PMIC / Gate Driver)

BQ24130RHLR Battery Charger IC, Multi-Chemistry 1-3 Cells

MPN BQ24130RHLR
Active Spot Stock · 24-48h Dispatch 100% Original Sealed

Texas Instruments BQ24130RHLR multi-chemistry battery charger IC, 1-3 cells, 17V max supply, constant programmable current, over-voltage and over-temperature protection, -40°C to 85°C, 20-VQFN (3.5x4.5) package, surface mount.

In Stock: 124 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (10)
Package / Case 20-VFQFN Exposed Pad
Supply Voltage 17V

Full Technical Specifications

10 Parameters
BQ24130RHLR specifications
Parameter / AttributeSpecification / Value
MountingSurface Mount
Battery pack voltage12.6V
Supply voltage17V
Current - chargingConstant - Programmable
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case20-VFQFN Exposed Pad
Number of cells1 ~ 3
Fault protectionOver Temperature, Over Voltage
Battery chemistryMulti-Chemistry
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Technical Details & Description

The Texas Instruments BQ24130RHLR is a multi-chemistry battery charger IC that handles 1 to 3 series cells, accepting a supply up to 17 V. It delivers a constant programmable charging current — set by an external resistor — and includes over-temperature and over-voltage fault protection. The part is suited for portable equipment, power tools, medical devices, and industrial handhelds where the battery chemistry may vary between Li-ion, Li-Po, or LiFePO4, and where the ambient temperature range spans -40°C to 85°C.

ROHS3 compliant, so it meets current European and global restrictions on hazardous substances.

Frequently asked questions

How does BQ24130RHLR compare to BQ24133?

The BQ24133 is a higher-integration sibling that adds dynamic power-path management (DPPM) and a separate system output, allowing the load to run from the input supply when available while charging the battery. The BQ24130RHLR lacks power-path management — the battery and load share the same node. Choose the BQ24133 if the application needs instant-on with a deeply discharged battery or independent system regulation; the BQ24130RHLR is the simpler, lower-cost option when power-path is not required.

Is BQ24130RHLR compatible with LiFePO4 batteries?

Yes. The BQ24130RHLR is a multi-chemistry charger, so it can charge LiFePO4 packs. The termination voltage for LiFePO4 (typically 3.6 V/cell) is set by the external resistor divider on the VCELL pin — the datasheet application circuit shows how to program the target voltage for 1 to 3 cells.

How to program charging current on BQ24130RHLR?

Charging current is set by a single resistor from the ISET pin to ground. The relationship is linear: I_CHG (A) = V_ISET / (R_ISET * K_ISET), where V_ISET is typically 2.5 V and K_ISET is a fixed gain factor. The datasheet provides a table of standard resistor values for common charge currents.

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