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Texas Instruments TPS61253YFFR — Power Management (PMIC / Gate Driver)

TPS61253YFFR Boost Converter 5V 3.9A 9-DSBGA Texas

MPNTPS61253YFFR
Active

Texas Instruments TPS61253YFFR, Step-Up Boost Converter, Fixed 5V Output, 3.9A Switch Current, 3.5MHz, Synchronous Rectifier, 9-DSBGA, -40°C to 85°C

$1.4600Ref. price · indicative, final on quote
Texas Instruments TPS61253YFFR datasheet (PDF)
Packaging9-UFBGA, DSBGA
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TPS61253YFFR specifications
ParameterValue
Output typeFixed
MountingSurface Mount
Voltage - input4.85V
Voltage - output (Min (Fixed))5V
Output current3.9A (Switch)
Frequency3.5MHz
I/O channels1
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
FunctionStep-Up
TopologyBoost
Case9-UFBGA, DSBGA
Output configurationPositive
Synchronous rectifierYes

Product details

Boost converter for 5V rails from 2.65V to 4.85V input

The TPS61253YFFR is a fixed 5V output step-up (boost) converter from Texas Instruments, delivering up to 3.9A switch current from a 2.65V to 4.85V input range.

3.9A switch current and 3.5MHz switching

The 3.9A switch current rating sets the practical output power ceiling: from a 3.6V input, a 5V output at 2A is feasible with reasonable inductor selection. The 3.5MHz switching frequency pushes the inductor value down to the 0.47-1.0 µH range, which fits a 0805 or smaller footprint — a clear advantage when board area is the constraint. Synchronous rectification improves efficiency at light loads compared to a diode-based boost, which matters for battery-operated devices where every milliwatt of quiescent loss shortens run time.

The TPS61253YFFR is housed in a 9-DSBGA package — a 0.4mm pitch wafer-level chip-scale package that requires careful PCB layout and solder-paste stencil design.

Frequently asked questions

What is the closest pin-compatible alternative to TPS61253YFFR?

Texas Instruments does not list a direct pin-compatible second source for the TPS61253YFFR. Within the same base product family (TPS61253), the TPS61253YFFR is the fixed 5V output variant in the 9-DSBGA package. For a different output voltage or package, check the TPS61253 series datasheet for other orderable options.

Can TPS61253YFFR work with a 3.3V input?

Yes. The input voltage range is 2.65V to 4.85V, so a 3.3V rail is well within the operating window. The boost converter will regulate to the fixed 5V output as long as the input stays above the minimum and below the maximum.

Is TPS61253YFFR suitable for battery-powered devices?

Yes. The 2.65V minimum input allows operation from a single Li-ion cell (3.0V to 4.2V) down to near its end-of-discharge voltage. Synchronous rectification and the 3.5MHz switching frequency support good efficiency across the load range, which extends battery run time in portable applications.