Power Integrations (PI) is a global leader in off-line AC-DC power conversion chips. Its products are renowned for their high integration, high efficiency, and high reliability, and are widely used in chargers, adapters, LED drivers, home appliances, and industrial power supplies. Mingjiada Electronics specializes in high-value recycling and cash purchases of the full range of Power (PI) offline converter ICs, covering all major product lines including TinySwitch, TOPSwitch, InnoSwitch, LinkSwitch, and HiperLCS. Whether brand-new and original, factory dead stock, project surplus, or discontinued and hard-to-find models, we offer rapid evaluation, nationwide pickup, and cash settlement.
Leveraging years of professional recycling experience, Mingjiada provides electronics manufacturers and distributors with one-stop Power (PI) offline converter inventory clearance services to quickly liquidate inventory assets.
Mingjiada’s Core Power (PI) Offline Converter Product Series
1. TinySwitch™ Series (Ultra-Low Power, Low Power)
TinySwitch-III (TNY27x/28x Series): Classic model, 5–10W, low standby power consumption (<10mW)
Representative models: TNY275PN, TNY279PG, TNY280PN
TinySwitch-5 (TNY39x Series): Next-generation model, power extended to 175W, efficiency > 92%
Applications: Mobile phone chargers, small appliance power supplies, PC standby power supplies
2. TOPSwitch™ Series (Mid-to-High Power Flyback)
TOPSwitch-JX (TOP26x/27x Series): Mainstream models, 10–65W, integrated 725V MOSFET
Representative models: TOP267EG, TOP271EG
TOPSwitch-HX (TOP25x Series): High cost-performance ratio, 10–40W
Representative Models: TOP254PN, TOP258GN
Features: Quasi-resonant (QR), multi-mode control, comprehensive protection
3. InnoSwitch™ Series (High-Performance Quasi-Resonant / GaN)
InnoSwitch3-CP/EP/Pro: Mid-to-high power (30–120W), with integrated FluxLink™ feedback technology
Representative models: INN3866C, INN3158C
InnoSwitch4-QR: Utilizes PowiGaN™ gallium nitride technology, high efficiency and compact size, 130W+
Applications: PD fast charging, laptop adapters, industrial power supplies
4. LinkSwitch™ Series (Non-isolated / Low Power)
LinkSwitch-TN (LNK36x/38x Series): Non-isolated buck, 5–12W
Representative Models: LNK364DN
LinkSwitch-HP (LNK66x Series): High-voltage non-isolated, 20–100W
Applications: IoT devices, smart meters, LED drivers
5. HiperLCS™ / HiperLynx™ Series (LLC Resonant / High Power)
HiperLCS-2 (LCS726x): LLC resonant chipset, 200W+ high-efficiency solutions
HiperLynx: Integrated PFC + flyback, 100–300W
Applications: Server power supplies, industrial high-power equipment
List of Popular Models from Power (PI)
TinySwitch: TNY275PN, TNY279PG, TNY280PN, TNY390DG
TOPSwitch: TOP254PN, TOP258GN, TOP267EG, TOP271EG
InnoSwitch: INN3866C-H801-TL, INN3158C, INN3176CQ
LinkSwitch: LNK364DN, LNK624PG, LNK6666K-TL
Others: HiperLCS7267K, NCP1351 (PI/ON)
Advantages of Mingjiada Recycling Services
Specializing in PI Brands: We purchase the full range of models—including discontinued, niche, and new products—at premium prices
Pricing Advantages: Market-leading prices, rapid evaluation, and cash-on-delivery
Flexible Purchasing: We accept full trays, loose components, slow-moving inventory, end-of-line stock, and samples
Efficient and Convenient: Nationwide on-site pickup, SF Express collect-on-delivery, and testing/payment within 24 hours
Safe and Reliable: Legitimate credentials, eco-friendly processing, and long-term partnerships
Contact Information
If you need to dispose of Power Integrations offline converter inventory or learn more about our purchasing services, please contact Mingjiada Electronics:
Contact: Mr. Chen / Valuation Team
Phone: +86 13410018555 / 86-755-83294757
Email: sales@hkmjd.com
Website: www.integrated-ic.com
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