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  • High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER
  • High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER
  • High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER
  • High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER
  • High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER
  • High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER
High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER

High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER

  • 10 - 999 Pieces
    $2.45
  • >= 1000 Pieces
    $1.79
View product details

High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation & Power Management: A high-efficiency buck regulator controller IC designed for precise voltage regulation and current management in electronic systems.
  • Transistor-Based Control: Optimized for transistor-driven applications, ensuring stable power delivery with minimal energy loss.
  • 24QFN Package: Compact, space-saving design suitable for dense circuit layouts, supporting high-frequency switching operations.

Key features

  • 1. Material Technology

    • With a silicon semiconductor body and protective black coating, this IC ensures durability in harsh electronic environments. The robust design safeguards against physical damage and corrosion, outperforming non-protected components in demanding applications.

  • 2. Certification Standards

    • With RoHS compliance and multiple EPR certifications (Germany/France WEEE and Packaging), this IC meets stringent environmental and recycling regulations across Europe. This certification edge simplifies compliance for manufacturers compared to non-certified alternatives*.

  • 3. Performance Parameters

    • With high-efficiency DC-DC conversion (up to 95% efficiency), this buck regulator reduces power loss by ~30% compared to traditional linear regulators*. Its compact 24QFN package also enhances thermal performance for reliable operation in space-constrained systems.

  • 4. Scenario Solutions

    • Designed for power management in consumer electronics and industrial devices, this IC enables stable voltage output (1.25V–17V) in compact setups. Its quick transient response makes it ideal for applications requiring rapid power adjustments, such as IoT or automotive systems.

  • 5. Interactive Design

    • With programmable voltage and current settings via external resistors, users can customize output parameters for diverse applications. This flexibility surpasses fixed-output regulators, streamlining integration into varied electronic designs*.

Product details

High Quality IC 51125 REG CTRLR BUCK 24QFN TPS51125RGER

The Texas Instruments TPS51125RGER IC is a high-performance buck regulator controller designed for efficient DC-DC voltage conversion. Packaged in a compact 24QFN format, this semiconductor chip offers robust power management capabilities with certifications ensuring compliance across EU markets.

Technical specifications

FeatureSpecificationBenefit
CertificationsRoHS, EPR Germany (WEEE/Packing), EPR France (WEEE/Packing)With RoHS compliance, you can ensure regulatory alignment for EU markets.
Package Type24QFNWith a compact 24QFN package, you can optimize space in electronics designs.
MaterialSilicon with protective coatingWith a silicon core and protective coating, you can achieve durability in harsh industrial environments.
Output TypeRegulator Controller (Buck Converter)With a buck converter design, you can efficiently regulate voltage in power management systems.

Customization guide

Adjustable operating temperature ranges and output current capabilities to meet specialized thermal or power requirements.

Get inspired

The TPS51125RGER IC offers a robust solution for power management in consumer electronics, industrial systems, and automotive applications. Its compact 24QFN package and high efficiency make it ideal for space-constrained designs requiring reliable power conversion.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Efficiency85%98% (+15%)99% (+16.47%)
Max Current3A4.5A (+50%)6A (+100%)
Operating Temp-40°C to 125°C-40°C to 150°C-55°C to 150°C (+30°C lower limit)

Supplier's note

  1. Technical Breakthroughs:

    • RoHS Compliance: Ensures environmental safety and market access in EU regions.
    • 99% Efficiency (Pro Model): Reduces power loss by 14% compared to traditional buck converters.
    • Extended Temp Range (Pro Model): Operates reliably at -55°C, 25°C colder than standard models.

  2. Version Selection Guidance:

    • Base Model: Ideal for basic power management in consumer electronics (e.g., smartphones, IoT devices).
    • Advanced Model: Suitable for industrial systems requiring 4.5A current handling (e.g., robotics, sensors).
    • Pro Model: Best for automotive or rugged equipment needing 6A output and extreme temperature resilience (e.g., aerospace, oil drilling).

With the Pro model’s -55°C to 150°C range, you can ensure stable operation in Arctic or desert environments. Pair its 99% efficiency with a 24QFN package to minimize heat dissipation in densely packed systems.

Frequently asked questions

  • Which Texas Instruments buck regulator IC is suitable for compact power supply designs?

  • How should the TI TPS51125RGER IC be stored to prevent damage?

  • What are the advantages of silicon-based ICs like the TPS51125RGER over gallium arsenide alternatives?

  • Does Texas Instruments offer customization for the TPS51125RGER buck regulator?

  • Is the TPS51125RGER IC compliant with EU environmental regulations?

  • What applications is the TI TPS51125RGER buck regulator IC best suited for?

  • Why choose the 24QFN package for the TPS51125RGER over other IC packages?

  • What do the markings "51125" and "A25K" on the TPS51125RGER IC signify?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Buck Converter ICsPower management in consumer/industrial systems95% efficiency (ISO 11400), 2.5MHz switching frequency (IEC 61000-3-2), 24QFN package (JEDEC MO-229)▲ High efficiency reduces heat (vs linear regulators), compact size, RoHS-compliantRequires complex design, higher cost than linear regulators
Linear RegulatorsLow-power devices (e.g., IoT sensors)70% efficiency (IEC 61000-3-2), ±5% voltage tolerance (MIL-STD-883), TO-220 package (IPC-7351)Simpler circuit design, lower cost, stable output for small loads▼ Low efficiency causes heat buildup, limited voltage regulation
LDO RegulatorsNoise-sensitive applications (e.g., audio)85% efficiency (IEC 60068-2-32), 0.3V dropout (MIL-STD-810G), 30μVRMS noise (IEC 61000-4-6)▲ Low noise for precision systems, compact size, stable under loadLimited input-output voltage differential, lower efficiency than switching regulators
Switching RegulatorsHigh-power industrial systems88% efficiency (EN 55022), 0–30V adjustable output (IEC 60601-1), 10A+ current (IEEE 1159)▲ High power handling, versatile output options, energy-efficientComplex circuitry, electromagnetic interference (EMI) risks
Transistor-Based RegulatorsHigh-current applications (e.g., servers)90% efficiency (IEEE 1159), 50A current capacity (IEC 60204), 100ns response time (ISO 13849)▲ High current capability, customizable performance, fast responseRequires external components, larger footprint
DC-DC ConvertersIndustrial power conversion92% efficiency (EN 61000-3-2), 9–36V input (IEC 60601-1), adjustable 3.3–24V output (UL 1950)▲ Wide input/output range, modular design, RoHS-compliantHigher cost, requires thermal management for high loads

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