Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
NCP1622AEASNT1G
onsemi
IC PFC CTRLR CRM 6TSOP
23214 Pcs New Original In Stock
PFC IC Critical Conduction (CRM) 6-TSOP
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (50 Ratings)
NCP1622AEASNT1G
Product Overview
10409972
DiGi Electronics Part Number
NCP1622AEASNT1G-DGManufacturer
onsemi
NCP1622AEASNT1G
Description
IC PFC CTRLR CRM 6TSOPInventory
23214 Pcs New Original In Stock
PFC IC Critical Conduction (CRM) 6-TSOP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
NCP1622AEASNT1G Technical Specifications
Category
Power Management (PMIC), PFC (Power Factor Correction)
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Mode
Critical Conduction (CRM)
Frequency - Switching
-
Current - Startup
70 µA
Voltage - Supply
9.5V ~ 30V
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
SOT-23-6 Thin, TSOT-23-6
Supplier Device Package
6-TSOP
Base Product Number
NCP1622
Datasheet & Documents
HTML Datasheet
NCP1622AEASNT1G-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
2832-NCP1622AEASNT1GTR
488-NCP1622AEASNT1GTR
488-NCP1622AEASNT1GDKR
488-NCP1622AEASNT1GCT
Standard Package
3,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
DiGi Electronics bietet stets erstklassigen Kundenservice, der seine Kunden wirklich versteht und unterstützt.
Dec 02, 2025
The website's search function is highly effective, helping me quickly find the support resources I needed.
Dec 02, 2025
The quick dispatch of my order exceeded expectations, and I appreciated the minimal yet eco-friendly packaging.
Dec 02, 2025
I find the prices at DiGi Electronics to be some of the best in the market, making it my go-to supplier.
Dec 02, 2025
DiGi Electronics consistently delivers high-quality products that exceed my expectations.
Dec 02, 2025
Pricing is transparent and competitive, and their service is reliable.
Dec 02, 2025
Their shipping process is very stable, and I’ve never experienced a missed delivery.
Dec 02, 2025
Their customer care team provides timely updates and flexible solutions post-purchase.
Dec 02, 2025
I always receive my orders faster than expected, and the quality of their products is outstanding.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key design-in risks when using the NCP1622AEASNT1G in a high-temperature industrial power supply?
When integrating the NCP1622AEASNT1G into high-temperature environments, the primary risk is thermal derating of external MOSFETs and passives due to the controller’s high junction temperature limit of 125°C. Although the NCP1622AEASNT1G supports up to 125°C, sustained operation near this limit can reduce overall system reliability. Mitigate this by ensuring adequate PCB copper pour for heat dissipation, avoiding placement near high-dissipation components, and validating thermal performance under full-line and load conditions. Additionally, monitor VCC ripple to prevent unintended restarts caused by thermal-induced fluctuations in the 9.5V–30V supply window.
How does the NCP1622AEASNT1G compare to the L6562A in CRM PFC designs, and can it be used as a drop-in replacement?
The NCP1622AEASNT1G and L6562A both target critical conduction mode (CRM) PFC stages, but they are not drop-in replacements due to differences in pinout, startup current (70 µA vs. ~50 µA), and protection features. The NCP1622AEASNT1G offers better light-load efficiency and improved EMI performance via frequency dithering, while the L6562A lacks some modern protections. When replacing L6562A with NCP1622AEASNT1G, redesign the bias network and layout to match TSOT-23-6 pin functions—especially the dedicated ZCD and GATE drive configuration—and re-validate zero-current detection sensitivity to avoid premature turn-on or false triggering.
What layout and EMI considerations should be addressed when designing with the NCP1622AEASNT1G in compact AC-DC adapters?
In compact AC-DC adapters using the NCP1622AEASNT1G, EMI control is critical due to fast switching transitions. Route the gate drive trace (OUT) as short as possible to minimize ringing and avoid coupling with sensitive analog nodes like ZCD and ISENSE. Use a ground shield under the IC’s 6-TSOP package when possible, and keep high-current return paths away from the current-sense resistor and filtering components. Additionally, place a ceramic bypass capacitor (100nF) close to VCC and GND pins with minimal loop area to suppress supply noise. Poor layout may trigger false zero-current detection or unstable CRM operation, especially in high-density designs.
What are the implications of the NCP1622AEASNT1G's 70 µA startup current in offline PFC stages with limited auxiliary supply?
The NCP1622AEASNT1G’s low 70 µA startup current makes it well-suited for offline PFC stages where the auxiliary supply is derived from a lossy resistive start-up network. This reduces power loss and enables faster startup compared to controllers with higher Istart. However, during brownout or repeated autorestart events, ensure the VCC capacitor maintains sufficient charge between startups. Design the RC network to provide at least 1.5x the minimum startup energy, especially if the NCP1622AEASNT1G powers other ICs. Also consider using a small auxiliary winding for sustained operation to avoid prolonged startup under high-holdup-capacitance conditions.
How can you ensure reliable zero-current detection (ZCD) with the NCP1622AEASNT1G in variable-line and overload conditions?
Reliable ZCD operation with the NCP1622AEASNT1G depends on proper filtering and pull-up resistor selection on the ZCD pin. Use a small RC filter (e.g., 1kΩ + 100pF) close to the IC to suppress transformer leakage inductance spikes. The ZCD pull-up should be tied to a stable voltage (e.g., VCC) through a resistor typically between 10kΩ and 47kΩ—too low increases power loss, too high risks false detection under fast transitions. In overload conditions, validate that the ZCD pin voltage stays within 0.7V (typ) threshold during inductor demagnetization. Poor ZCD design may cause skip-cycle behavior or erratic switching, degrading PFC performance and increasing THD.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
NCP1622AEASNT1G CAD Models
onsemi NCP1622AEASNT1G PCB symbols & footprints
productDetail
