Power Integrations TinySwitch-4 | Power Integrations
TinySwitch-4 series from Power Integrations
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
| Parameter | TNY290KG-TL | TNY288KG-TL | TNY288DG-TL | TNY287KG-TL | TNY286DG-TL | TNY285DG-TL | TNY284DG-TL | TNY290KG | TNY288KG | TNY288DG |
|---|---|---|---|---|---|---|---|---|---|---|
| Package / Case | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | 8-SOIC (0.154", 3.90mm Width), 7 Leads | eSOP-12B | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | 8-SOIC (0.154", 3.90mm Width), 7 Leads |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Control Features | EN | EN | EN | EN | EN | EN | EN | Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control |
| Duty Cycle | 67% | 67% | 67% | 67% | 67% | 67% | 67% | 67% | 67% | 67% |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit |
| Internal Switch S | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active | Active | Active | Active | Obsolete | Obsolete | Obsolete |
| Output Isolation | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated |
| Package | - | 12-BESOP(0.350",8.89mmWidth),11Leads,ExposedPad | 8-SOIC | - | SO-8C | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | - | 12-ESOP | SOIC-8 |
| Power Watts | 28 W | 23 W | 14.5 W | 18 W | 19 W | 8.5 W | 6 W | 28 W | 23 W | 14.5 W |
| Series | - | TinySwitch-4 | TinySwitch-4 | - | TinySwitch-4 | TinySwitch-4 | TinySwitch-4 | - | TinySwitch-4 | TNY288 |
| Supplier Device Package | 12-ESOP | 12-ESOP | SO-8C | 12-ESOP | SO-8C | SO-8C | SO-8C | 12-ESOP | 12-ESOP | SO-8C |
| Switching Frequency | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz | 124kHz ~ 140kHz |
| Topology | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback |
| Tradename | - | TinySwitch | TinySwitch | - | TinySwitch | TinySwitch | TinySwitch | - | TinySwitch | TinySwitch |
| Unit Weight | - | 0.005997 oz | 0.017870 oz | - | 0.018869 oz | 0.009313 oz | 0.008466 oz | - | 0.070548 oz | 0.017870 oz |
| Voltage Breakdown | 725V | 725V | 725V | 725V | 725V | 725V | 725V | - | - | - |
| Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote |
Selection Guide
Package
12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad→TNY290KG-TLTNY288KG-TLTNY290KGTNY288KG
8-SOIC (0.154", 3.90mm Width), 7 Leads→TNY288DG-TLTNY286DG-TLTNY285DG-TLTNY284DG-TLTNY288DG
eSOP-12B→TNY287KG-TL
TinySwitch-4 Series Applications
⚡
Energy & PowerPower conversion and protection components for solar, storage, charging, and industrial power.
⚡
EV & PowertrainTraction inverter, OBC, and high-voltage conversion devices.
⚡
Solar InvertersHigh-efficiency power conversion devices for photovoltaic inverters.
🚗
Automotive Power ManagementModule power and load-control devices.
Base Numbers
| Base Number | Description | Variants | Status | Action |
|---|---|---|---|---|
| TNY284DG | TNY284DG variants from Power Integrations | 2 MPNs | Active | View Details |
| TNY285DG | TNY285DG variants from Power Integrations | 2 MPNs | Active | View Details |
| TNY286DG | TNY286DG variants from Power Integrations | 2 MPNs | Active | View Details |
| TNY287KG | TNY287KG variants from Power Integrations | 2 MPNs | Active | View Details |
| TNY288DG | TNY288DG variants from Power Integrations | 2 MPNs | Active | View Details |
| TNY288KG | TNY288KG variants from Power Integrations | 2 MPNs | Active | View Details |
| TNY290KG | TNY290KG variants from Power Integrations | 2 MPNs | Active | View 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.