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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  • Mini AC to DC Converter Module – 110/220V to 12V & 5V Output

    Mini AC to DC Converter Module – 110/220V to 12V & 5V Output

    Sale price  $12.90 Regular price $15.41
  • MDR DIN Rail Power Supply 5V 12V 24V | 10W–100W DC Switch

    MDR DIN Rail Power Supply 5V 12V 24V | 10W–100W DC Switch

    Sale price  $78.56 Regular price $97.76
  • MC34119 MC33063 MC34063 MC33078 SOP8 SMD ICs Mixed Pack

    MC34119 MC33063 MC34063 MC33078 SOP8 SMD ICs Mixed Pack

    Sale price  $7.46 Regular price $8.59
  • LNK584DG–LNK626DG LinkSwitch IC Chips | Power Supply ICs

    LNK584DG–LNK626DG LinkSwitch IC Chips | Power Supply ICs

    Sale price  $13.94 Regular price $16.73
  • LNK TNY SOP-7 Power IC Chips – 10 Pack, 100% New

    LNK TNY SOP-7 Power IC Chips – 10 Pack, 100% New

    Sale price  $17.47 Regular price $21.15
  • LM3481MM MSOP-10 DC-DC Controller IC SJPB | Original New

    LM3481MM MSOP-10 DC-DC Controller IC SJPB | Original New

    Sale price  $6.65 Regular price $7.58
  • LM3150MHX/NOPB Synchronous Step-Down Controller IC – 2PCS

    LM3150MHX/NOPB Synchronous Step-Down Controller IC – 2PCS

    Sale price  $38.94 Regular price $48.08
  • LM27313XMF/NOPB 1.6MHz Boost Converter IC SOT23-5 – 10 PCS

    LM27313XMF/NOPB 1.6MHz Boost Converter IC SOT23-5 – 10 PCS

    Sale price  $103.49 Regular price $129.04
  • LM2596S DC to DC Buck Converter 3-40V Adjustable Voltage Module

    LM2596S DC to DC Buck Converter 3-40V Adjustable Voltage Module

    Sale price  $10.24 Regular price $12.08
  • LM2596 DC-DC Buck Converter 3A Adjustable Step-Down Module

    LM2596 DC-DC Buck Converter 3A Adjustable Step-Down Module

    Sale price  $7.96 Regular price $9.23
  • LM2577 DC-DC Boost Converter Module 3.5–35V In 5–56V 3A

    LM2577 DC-DC Boost Converter Module 3.5–35V In 5–56V 3A

    Sale price  $12.24 Regular price $14.59
  • LM2576SX-5.0 3A DC Converter IC TO-263 – 5 Pack

    LM2576SX-5.0 3A DC Converter IC TO-263 – 5 Pack

    Sale price  $145.03 Regular price $181.13
  • LM25118MHX/NOPB Buck-Boost Controller IC HTSSOP-20 – 5 Pack

    LM25118MHX/NOPB Buck-Boost Controller IC HTSSOP-20 – 5 Pack

    Sale price  $124.27 Regular price $155.10
  • LM22676TJ-ADJ Step-Down Voltage Regulator IC – New & Original

    LM22676TJ-ADJ Step-Down Voltage Regulator IC – New & Original

    Sale price  $23.18 Regular price $28.31
  • LED Driver PWM Control Board 30–1500mA Adjustable 9W DC 5V

    LED Driver PWM Control Board 30–1500mA Adjustable 9W DC 5V

    Sale price  $14.00 Regular price $16.80
  • LD05-23B05R2 DIP AC-DC Power Module 85–305VAC | 1–20 PCS

    LD05-23B05R2 DIP AC-DC Power Module 85–305VAC | 1–20 PCS

    Sale price  $22.32 Regular price $27.23
  • LCD TV Switch Power Supply Module – 12/24V Buck Converter CA-901

    LCD TV Switch Power Supply Module – 12/24V Buck Converter CA-901

    Sale price  $10.50 Regular price $12.41
  • IR1155STRPBF PFC Controller IC SOIC-8 – 5-Pack | NioCen

    IR1155STRPBF PFC Controller IC SOIC-8 – 5-Pack | NioCen

    Sale price  $122.12 Regular price $152.40
  • ICL7660SCPAZ Voltage Converter Chip DIP-8 – 5PCS Pack

    ICL7660SCPAZ Voltage Converter Chip DIP-8 – 5PCS Pack

    Sale price  $60.92 Regular price $75.64
  • ICL7660AIBAZA-T CMOS Voltage Converter SOIC-8 – 5 Pack

    ICL7660AIBAZA-T CMOS Voltage Converter SOIC-8 – 5 Pack

    Sale price  $57.63 Regular price $71.51
  • FP6298XR-G1 2.1A/5V Boost IC SOP-8 – 10 PCS | Power Chip

    FP6298XR-G1 2.1A/5V Boost IC SOP-8 – 10 PCS | Power Chip

    Sale price  $80.14 Regular price $99.75
  • DIN Rail Switching Power Supply AC–DC 5V–48V | HDR-30/60/100

    DIN Rail Switching Power Supply AC–DC 5V–48V | HDR-30/60/100

    Sale price  $79.99 Regular price $99.56
  • DC12V Wireless Remote Motor Speed Controller Kit | Dining Table

    DC12V Wireless Remote Motor Speed Controller Kit | Dining Table

    Sale price  $32.12 Regular price $39.53
  • DC-DC Step-Up Boost Converter Module 3V–5V to 5V 9V 12V

    DC-DC Step-Up Boost Converter Module 3V–5V to 5V 9V 12V

    Sale price  $9.34 Regular price $10.95