AC/DC converters
Enable reliable and high-performance power conversion with comprehensive gallium nitride (GaN) and silicon (Si) AC-DC converters.
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Power stage integration (converters) combines the controller, driver and switch within the same package. Our advanced GaN and Si converters enable superior performance with improved efficiency and advanced protection features improving power density and relaibility for next-generation power systems. Our portfolio includes flyback and buck converters engineered for ease-of-use across power levels.
Browse by power switch technology
Integrated Si
Integrated GaN
Related categories
Synchronous rectifiers
Flyback and Fly-buck™ converters
Opto-emulators
Why choose TI's AC/DC converters?
Easier system implementation
Reduce BOM on your designs with integrated power switches, gate drivers and control logic. Streamlined designs mean faster time-to-market and lower costs.
TI GaN Technology
Our proprietary GaN-on-Si process enables our customers to achieve higher efficiency at higher switching frequencies, reducing heat generation and increasing power density.
Integrated gate driver boosts performance
Built-in high-current gate drivers eliminate external components while optimizing switching performance for both Si and GaN power stages.
Technical resources
How an auxless GaN flyback converter can solve AC/DC adapter design challenges (Rev. A)
UCC28880, UCC28881 Audible Noise Reduction Techniques
Designing a flyback DC/DC Converter
Discover featured applications
Enabling high power density with GaN integrated AC/DC Converters
Our latest AC/DC converters with integrated GaN technology are engineered for next-generation power delivery solutions, combining breakthrough efficiency with ultra-compact design. When these controllers integrate high-performance 750V GaN FETs like in the UCG28826, we achieve industry-leading power density, efficiency and low standby power
Benefits:
- Integrated 750V GaN FET to achieve >90% efficiency and low standby power.
- Integrated HV startup, X-cap discharge, Aux less sensing and Self bias to simplify design with fewer external components.
Featured resources
- PMP41117 – 65W dual-port USB Power Delivery charger with self-biasing GaN flyback converter reference design
- PMP41163 – Universal AC input 65W low-profile AC/DC USB PD charger reference design with integrated GaN
- PMP41131 – Universal AC-input 45W low-profile USB power delivery charger reference design with integrated GaN
- UCG28826EVM-093 – UCG28826 evaluation module
Build compact PSU aux daughter cards with GaN integrated AC/DC converters
Our UCC28826 AC/DC converter with integrated GaN FET delivers exceptional performance for Server PSU mCRPS auxiliary power applications, where space constraints and thermal management are critical. This advanced converter enables compact, efficient auxiliary power solutions that meet the demanding requirements of modern server architectures.
Benefits:
- Design reduces main board real estate and design complexity
- Enterprise-grade reliability with integrated fault protection for zero down-time PSU systems
- Low standby power and self-biasing enable plug-and-play auxiliary power modules
Featured resources
- PMP41184 – 48W low-profile QR flyback with Integrated GaN reference design for server auxiliary power
- UCG28826EVM-093 – UCG28826 evaluation module
- Design a Fixed Output Voltage Flyback with the UCG2882x Family of Devices – Application note
- UCG28826 Simplis Model – Simulation models
Silicon and GaN integrated flybacks for Appliance auxilliary power requirements
Our comprehensive flyback converter portfolio delivers optimized solutions for appliance auxiliary power applications, offering both traditional silicon and advanced GaN integration to meet diverse design requirements. From cost-effective silicon solutions to cutting-edge integrated GaN technology, we provide the right fit for every appliance power design.
Benefits
- Silicon flyback converters : PSR, robust protections, support upto 10W
- GaN flyback converters : SSR, advanced integrated features, support upto 100W Benefits
Featured resources
Isolated switching topologies which enable low standby power for building automation
AC/DC converters from TI maintain low ripple while having a good standby performance. This enables our devices to be best suitable for Building automation like Lighting and Appliances.
Benfits:
- Integrated protection features
- Better transient response
- Slimmer form factors and better overall magnetics
Featured resources
Design & development resources
UCG28824 45W QR flyback evaluation module
The UCG28824EVM-124 is a 45W USB-C PD evaluation module (EVM) for evaluating an off-line GaN integrated quasi-resonant flyback converter for AC/DC adapters, chargers, USB wall outlets, and other applications. The EVM meets CoC Tier 2 and DoE Level 6 efficiency requirements. The EVM is intended for (...)
180VAC to 275VAC input, 96W - 24V AC/DC flyback with self-biasing GaN reference design
This reference design is a power supply delivering 24V, 1A average and up to 96W for 4 seconds. This design supports all cases where high peak power like motor drive or transitory power loads need to be addressed. The integrated quasi-resonant controller, gallium nitride (GaN) switch, and (...)
Quasi-resonant GaN flyback reference design
This reference design generates a 24V output with 2.5A load current from a 195VAC to 265VAC input. This design uses the self-biasing gallium nitride (GaN) flyback UCG28826. This design can deliver 60W output power. The design does not need an auxiliary transformer winding because this device has a (...)