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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  • SX1308 DC-DC Step-Up Boost Converter Module 2A Adjustable

    SX1308 DC-DC Step-Up Boost Converter Module 2A Adjustable

    Sale price  $7.01 Regular price $8.03
  • Switching Power Supply Module 3V–24V | OVP OCP Protection

    Switching Power Supply Module 3V–24V | OVP OCP Protection

    Sale price  $9.94 Regular price $11.70
  • Solar Controller Charger – Dual USB 3A Step-Down Module

    Solar Controller Charger – Dual USB 3A Step-Down Module

    Sale price  $14.03 Regular price $16.84
  • Solar Battery Charger Controller – LED Night Light Switch 3-24V

    Solar Battery Charger Controller – LED Night Light Switch 3-24V

    Sale price  $14.33 Regular price $17.21
  • Solar Battery Charge Controller 6-60V 10A with Time Switch

    Solar Battery Charge Controller 6-60V 10A with Time Switch

    Sale price  $18.19 Regular price $22.05
  • Solar Battery Charge Controller 12V 24V 48V | CD60L Module

    Solar Battery Charge Controller 12V 24V 48V | CD60L Module

    Sale price  $23.18 Regular price $28.31
  • SM7012 PWM Control IC Chip DIP-8 Integrated Circuit 10 PCS

    SM7012 PWM Control IC Chip DIP-8 Integrated Circuit 10 PCS

    Sale price  $44.08 Regular price $54.53
  • SM5100C 5A/100V Drive IC Chipset SOP Package | 5–10 PCS

    SM5100C 5A/100V Drive IC Chipset SOP Package | 5–10 PCS

    Sale price  $10.21 Regular price $12.04
  • SM4513NHKP 4513NH TDSON-8 Drive IC Chipset | 2–5 Pcs

    SM4513NHKP 4513NH TDSON-8 Drive IC Chipset | 2–5 Pcs

    Sale price  $10.45 Regular price $12.34
  • SIP DC-DC Power Module TSM2405S TSR Series Converter

    SIP DC-DC Power Module TSM2405S TSR Series Converter

    Sale price  $42.26 Regular price $52.24
  • SIC762CD & SIC631CD QFN-40 Chipset – 5 Piece Pack

    SIC762CD & SIC631CD QFN-40 Chipset – 5 Piece Pack

    Sale price  $24.71 Regular price $30.23
  • SIC530 SIC531 SIC532 SIC534 SIC631 Drive IC QFN In Stock

    SIC530 SIC531 SIC532 SIC534 SIC631 Drive IC QFN In Stock

    Sale price  $10.65 Regular price $12.60
  • SG3525 PWM Controller Module DC 5V/12V 100Hz–100KHz DIY

    SG3525 PWM Controller Module DC 5V/12V 100Hz–100KHz DIY

    Sale price  $10.39 Regular price $12.26
  • SG3525 LM358 Inverter Driver Board 12V–24V Adjustable 1A Module

    SG3525 LM358 Inverter Driver Board 12V–24V Adjustable 1A Module

    Sale price  $10.39 Regular price $12.26
  • SC8815QDER QFN Buck-Boost Charging IC 2-Pack | NioCen

    SC8815QDER QFN Buck-Boost Charging IC 2-Pack | NioCen

    Sale price  $49.11 Regular price $60.83
  • RT8279GSP 5A 36V 500KHz Buck Converter IC SOP-8 – 10 PCS

    RT8279GSP 5A 36V 500KHz Buck Converter IC SOP-8 – 10 PCS

    Sale price  $117.49 Regular price $146.59
  • RT8096CHGJ5 1A 1.5MHz Sync Buck Converter IC TSOT-23-5 10 PCS

    RT8096CHGJ5 1A 1.5MHz Sync Buck Converter IC TSOT-23-5 10 PCS

    Sale price  $34.72 Regular price $42.79
  • RT7272BGSP 3A 36V 500kHz Sync Buck Converter IC SOP-8 10PCS

    RT7272BGSP 3A 36V 500kHz Sync Buck Converter IC SOP-8 10PCS

    Sale price  $80.56 Regular price $100.28
  • RT6365GSP 60V 5A Buck Converter IC SOP-8 – 5PCS Pack

    RT6365GSP 60V 5A Buck Converter IC SOP-8 – 5PCS Pack

    Sale price  $70.75 Regular price $87.98
  • RH7902A USB Charging Protocol IC SOT23-6 – 10 PCS Pack

    RH7902A USB Charging Protocol IC SOT23-6 – 10 PCS Pack

    Sale price  $28.15 Regular price $34.54
  • RH7901 USB Charging Protocol IC SOT23-5 – 10PCS Pack

    RH7901 USB Charging Protocol IC SOT23-5 – 10PCS Pack

    Sale price  $31.43 Regular price $38.66
  • PWM Fan Speed Controller – 4 & 6-Way 4Pin Fan Hub SATA/DC

    PWM Fan Speed Controller – 4 & 6-Way 4Pin Fan Hub SATA/DC

    Sale price  $26.71 Regular price $32.74
  • PWM DC Motor Speed Controller Digital Display 12V 24V MAX 60A

    PWM DC Motor Speed Controller Digital Display 12V 24V MAX 60A

    Sale price  $24.08 Regular price $29.44
  • PWM DC Motor Speed Controller 6V–28V 3A Speed Regulator Switch

    PWM DC Motor Speed Controller 6V–28V 3A Speed Regulator Switch

    Sale price  $13.05 Regular price $15.60