DC-DC Converters & Power Management

DC-DC Converters & Power Management ICs

Power your next project with confidence. Our DC-DC Converters & Power Management collection brings together a comprehensive range of high-performance integrated circuits and modules — from compact SMD buck converter chips to high-current step-down modules, AC-DC controller ICs, battery charging controllers, LED driver ICs, and USB-C PD fast-charge boards. Whether you're an electronics engineer, hobbyist, or production buyer, you'll find trusted brands and bulk-value packs designed to meet demanding power supply design requirements across consumer electronics, industrial systems, and embedded applications.

Why Choose Our Power Management ICs?

  • Wide Selection: Buck, boost, AC-DC, and battery management solutions all in one place.
  • Bulk Value Packs: Save more with 10-packs, 100-packs, and multi-variant bundles.
  • Industry-Standard Packages: SMD, QFN, SOT23, SOP, SSOP, DFN and more — ready for PCB assembly.
  • Trusted Series: TPS, TLV, TNY, TOP, MP, CR, CN, AW, OB, and other leading IC families.
  • Application Versatility: Ideal for IoT devices, LED lighting, battery-powered gadgets, power adapters, and more.

Featured Products

Explore some of our most popular power management solutions:

Product Categories at a Glance

  • DC-DC Buck Converters: Step down voltage efficiently with minimal heat and power loss.
  • DC-DC Boost Converters: Step up voltage for LED drivers, sensor rails, and more.
  • AC-DC Controller ICs: Primary-side switching controllers for power adapters and chargers (TNY, TOP, OB series).
  • Battery Management ICs: Li-Ion/Li-Po charging controllers with protection features.
  • LED Driver ICs: Boost-based and constant-current LED drivers for displays and lighting.
  • USB-C PD Modules: Fast-charge trigger boards and decoy circuits supporting multiple PD voltages.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is the difference between a DC-DC buck converter and a boost converter IC?

A: A DC-DC buck converter (step-down converter) reduces a higher input voltage to a lower output voltage with high efficiency — for example, converting 12V to 3.3V. A boost converter does the opposite, stepping up a lower input voltage to a higher output voltage, commonly used in LED driver circuits and battery-powered systems that need a higher rail voltage than the battery can provide.

Q: What are AC-DC controller ICs like the TNY and TOP series used for?

A: AC-DC controller ICs such as the TNY284/288 and TOP series are used in offline switching power supplies that convert mains AC voltage (e.g., 110V/220V) to regulated DC output. They are commonly found inside wall adapters, USB chargers, set-top boxes, and other consumer electronics power supplies, handling switching, regulation, and protection in a compact package.

Q: Are these DC-DC converter ICs suitable for professional PCB assembly?

A: Yes. All ICs in this collection are offered in industry-standard SMD and through-hole packages — including QFN, SOT23, SOP, SSOP, DFN, and DIP — making them fully compatible with automated PCB pick-and-place assembly, reflow soldering, and hand soldering processes. The bulk 10-pack and 100-pack options are especially cost-effective for production runs.

Q: What should I consider when selecting a power management IC for my design?

A: Key parameters to evaluate include input/output voltage range, maximum output current, switching frequency, package type, efficiency rating, and any integrated protection features (overcurrent, overvoltage, thermal shutdown). Consulting the IC's datasheet is essential to ensure the device meets your application's power budget, thermal constraints, and PCB layout requirements.

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  • XL7015 DC-DC Step-Down Module 5V–80V | LM2596 Buck Converter

    XL7015 DC-DC Step-Down Module 5V–80V | LM2596 Buck Converter

    Sale price  $8.80 Regular price $10.28
  • XL6019 DC-DC Buck-Boost Converter Module 20W 5-32V Adjustable

    XL6019 DC-DC Buck-Boost Converter Module 20W 5-32V Adjustable

    Sale price  $9.79 Regular price $11.51
  • XL6019 DC-DC Boost Module – Adjustable Step-Up Converter

    XL6019 DC-DC Boost Module – Adjustable Step-Up Converter

    Sale price  $8.95 Regular price $10.46
  • XL4016 DC-DC Buck Converter 9A 300W Step-Down Power Module

    XL4016 DC-DC Buck Converter 9A 300W Step-Down Power Module

    Sale price  $13.88 Regular price $16.65
  • XL4005 DC-DC Step-Down 5A Adjustable Power Supply Module

    XL4005 DC-DC Step-Down 5A Adjustable Power Supply Module

    Sale price  $11.34 Regular price $13.46
  • XL3608 Mini DC-DC Step-Up Boost Module 5V 9V 12V 2A

    XL3608 Mini DC-DC Step-Up Boost Module 5V 9V 12V 2A

    Sale price  $7.87 Regular price $9.11
  • XL1509-5.0E1 Voltage Regulator IC SOP-8 – 10 PCS Pack

    XL1509-5.0E1 Voltage Regulator IC SOP-8 – 10 PCS Pack

    Sale price  $77.27 Regular price $96.15
  • XL1509 Step-Down Buck Converter Module – Adjustable Voltage

    XL1509 Step-Down Buck Converter Module – Adjustable Voltage

    Sale price  $7.63 Regular price $8.81
  • UX-52 400W Digital Motor Speed Controller AC 220V Forward Reverse

    UX-52 400W Digital Motor Speed Controller AC 220V Forward Reverse

    Sale price  $86.90 Regular price $108.23
  • USB DC-DC Buck Boost Converter 5V to 1–24V Voltage Regulator

    USB DC-DC Buck Boost Converter 5V to 1–24V Voltage Regulator

    Sale price  $13.20 Regular price $15.79
  • USB Buck Converter Module – 12V–72V to 5V 1A Isolated DC Power Supply

    USB Buck Converter Module – 12V–72V to 5V 1A Isolated DC Power Supply

    Sale price  $12.12 Regular price $14.44
  • USB Boost Converter DC 5V to 9V/12V Step-Up Power Cable

    USB Boost Converter DC 5V to 9V/12V Step-Up Power Cable

    Sale price  $15.23 Regular price $18.34
  • USB Boost Converter 5V to 9V/12V Step-Up Cable + 3.5×1.35mm

    USB Boost Converter 5V to 9V/12V Step-Up Cable + 3.5×1.35mm

    Sale price  $12.60 Regular price $15.04
  • USB 5V to 12V/9V DC Boost Cable – 5.5×2.1mm Power Adapter

    USB 5V to 12V/9V DC Boost Cable – 5.5×2.1mm Power Adapter

    Sale price  $23.42 Regular price $28.61
  • UP9642A UP9642AQR1 QFN-39 Drive IC Chipset | 2–10 Pcs

    UP9642A UP9642AQR1 QFN-39 Drive IC Chipset | 2–10 Pcs

    Sale price  $20.70 Regular price $25.20
  • UP9531PQKJ UP9531P QFN Drive IC Chipset – New Original

    UP9531PQKJ UP9531P QFN Drive IC Chipset – New Original

    Sale price  $30.99 Regular price $38.10
  • UC2844D8TR PWM Controller IC SOIC-8 – 10 Pack

    UC2844D8TR PWM Controller IC SOIC-8 – 10 Pack

    Sale price  $116.62 Regular price $145.50
  • TPS65994ADYBGR BGA Drive IC Chipset – 100% New | 1–5 Pcs

    TPS65994ADYBGR BGA Drive IC Chipset – 100% New | 1–5 Pcs

    Sale price  $16.60 Regular price $20.06
  • TPS65994AD USB-C PD Controller IC Chipset | 100% Original

    TPS65994AD USB-C PD Controller IC Chipset | 100% Original

    Sale price  $30.06 Regular price $36.94
  • TPS65993BH BGA Drive IC Chipset – SN2206031YBGR (1–5 Pcs)

    TPS65993BH BGA Drive IC Chipset – SN2206031YBGR (1–5 Pcs)

    Sale price  $22.79 Regular price $27.83
  • TPS65988DHRSHR USB-C PD Controller IC Chip – 2pcs UQFN

    TPS65988DHRSHR USB-C PD Controller IC Chip – 2pcs UQFN

    Sale price  $16.46 Regular price $19.88
  • TPS65133DPDR WSON-12 Driver Chip 5PCS – Genuine SHY IC

    TPS65133DPDR WSON-12 Driver Chip 5PCS – Genuine SHY IC

    Sale price  $34.07 Regular price $41.96
  • TPS62180YZFR Hard Disk Drive IC BGA Chipset | 1–10 Pcs

    TPS62180YZFR Hard Disk Drive IC BGA Chipset | 1–10 Pcs

    Sale price  $11.46 Regular price $13.61
  • TPS62130RGTR Buck Voltage Regulator IC QFN-16 – Pack of 5

    TPS62130RGTR Buck Voltage Regulator IC QFN-16 – Pack of 5

    Sale price  $67.46 Regular price $83.85