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Power Integrations

Power Integrations TinySwitch-4 | Power Integrations

TinySwitch-4 series from Power Integrations

TinySwitch-4 Datasheet

Power Integrations TinySwitch-4 Series Overview

TinySwitch-4 integrated power conversion IC for AC-DC and DC-DC applications.

The TinySwitch-4 from Power Integrations is a TinySwitch-4 integrated power conversion IC for AC-DC and DC-DC applications. This series includes 19 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the TinySwitch-4 integrates key power components to minimize external component count, reduce board space, and simplify the design process. these devices help engineers meet increasingly stringent energy-efficiency standards while reducing time to market.

Octatronics stocks TinySwitch-4 variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.

Key Features

  • Highest IntegrationPrimary, secondary, and feedback circuits integrated on a single IC, reducing external component count by up to 50%.
  • Scalable Output PowerSupports output power across a wide range with excellent load and line regulation.
  • Comprehensive Protection SuiteIntegrated over-voltage, over-current, over-temperature, and short-circuit protection eliminates external protection circuitry.
  • Ultra-Low No-Load PowerAdvanced burst-mode operation achieves <30mW no-load power consumption, meeting the strictest standby regulations.
  • Simplified Design ProcessReference designs, PI Expert design software, and application notes accelerate time-to-production.

Target Applications

  • Consumer chargers and adapters
  • Industrial power supplies
  • LED lighting drivers
  • Home appliances
  • IoT and smart home devices

Compare TinySwitch-4 Variants

Side-by-side comparison of 10 product variants from Power Integrations

ParameterTNY290KG-TLTNY288KG-TLTNY288DG-TLTNY287KG-TLTNY286DG-TLTNY285DG-TLTNY284DG-TLTNY290KGTNY288KGTNY288DG
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TinySwitch-4 Series Applications
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Energy & PowerPower semiconductors, battery management ICs, solar inverter components, and EV charging modules.
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EV & PowertrainBattery management ICs, cell balancing circuits, and high-voltage isolation components for electric vehicles.
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Solar InvertersHigh-efficiency power conversion for photovoltaic systems.
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Automotive Power Management

Base Numbers

Base NumberDescriptionVariantsStatusAction
TNY284DGTNY284DG variants from Power Integrations2 MPNsActiveView Details
TNY285DGTNY285DG variants from Power Integrations2 MPNsActiveView Details
TNY286DGTNY286DG variants from Power Integrations2 MPNsActiveView Details
TNY287KGTNY287KG variants from Power Integrations2 MPNsActiveView Details
TNY288DGTNY288DG variants from Power Integrations2 MPNsActiveView Details
TNY288KGTNY288KG variants from Power Integrations2 MPNsActiveView Details
TNY290KGTNY290KG variants from Power Integrations2 MPNsActiveView Details

Technical Specifications

Compare key TinySwitch-4 specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Power Specifications

Output Power
See datasheet
Input Voltage Range
85–265 VAC (universal input)
Peak Efficiency
>90%
No-Load Power
<30 mW

Safety & Compliance

Safety Certifications
UL, IEC 62368-1
EMI Standard
EN 55032 Class B
Energy Star
CoC Tier 2 / DoE Level VI compliant

Frequently Asked Questions

Common technical questions about the TinySwitch-4 series.

The TinySwitch-4 is a Power Integrations TinySwitch-4 integrated power conversion IC for AC-DC and DC-DC applications. The series includes 19 variants optimized for different application requirements.
The TinySwitch-4 series currently includes 19 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
Octatronics is an authorized distributor of Power Integrations products including the TinySwitch-4 series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the TinySwitch-4 series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.