Integrated Circuits (ICs)

Integrated Circuits (ICs)

Integrated circuits are the building blocks of nearly every electronic product, from power adapters and industrial controllers to medical devices and automotive systems. This category covers a wide range of sub-types, including audio special purpose ICs, clock and timing devices, data acquisition converters, embedded processors and controllers, interface transceivers, linear amplifiers, logic gates, memory chips, power management PMICs, and other specialized functions. Most designs rely on a mix of these, and sourcing them often means juggling multiple manufacturers, package styles, and lifecycle statuses at once. When buyers come to us looking for ICs, the conversation usually starts with the part number and quickly moves to date codes, packaging preferences, and whether the part is still in active production. Tape-and-reel versus tray matters more than people outside the industry might expect, especially for automated assembly lines. Lead time is another big factor. A part that shows a 26-week factory lead time might be available from franchised or independent channels in a fraction of that, but the trade-off is often price and the need for tighter quality checks. Counterfeit risk is real in this market, particularly for older or allocated parts, so traceability and incoming inspection are things experienced procurement teams ask about before placing an order. We also see a lot of requests where an engineer needs a specific grade, like automotive AEC-Q100 qualified or industrial temperature range, and the commercial-grade version simply will not work for their application. Package type, pin count, and RoHS compliance round out the usual checklist. If you are working through a BOM and want to see what we have on the shelf or what we can source, take a look at current stock on icxing.com or send us your list for a quote. We will get back to you with actual availability and pricing, not a generic auto-reply.

Frequently Asked Questions

How do I know the ICs I am buying are not counterfeit?

This is one of the most common concerns, especially for obsolete or allocated parts. Reputable distributors perform visual inspection, X-ray analysis, and sometimes decapsulation or electrical testing on high-risk lots. Ask your supplier about their quality control process and whether they can provide traceability documentation back to the original manufacturer.

What is the difference between commercial, industrial, and automotive grade ICs?

The main differences are operating temperature range and qualification standards. Commercial grade typically handles 0 to 70 degrees Celsius, industrial extends to minus 40 to 85 or higher, and automotive parts meet AEC-Q100 standards with even tighter reliability requirements. Using a commercial-grade part in an industrial or automotive design can lead to field failures, so always match the grade to your application.

The factory lead time on my part is 20 weeks. Can I get it faster?

Often yes, through franchised distributors holding stock or through independent channels that specialize in hard-to-find components. The trade-off is usually a higher unit price and the need for additional incoming inspection if the source is not franchised. Send us the part number and quantity and we can check what is actually available right now.

Image Part Manufacturer Description Stock Action
LTC4101EG#PBF Linear Technology
IC BATT CHG SMART...
4,380
In-stock
Inquiry
LTC3550EDHC-1#PBF Linear Technology
IC BATT CHG LI-IO...
1,860
In-stock
Inquiry
LTC4009IUF-1#PBF Linear Technology
LTC4009 - HIGH EFFI...
1,450
In-stock
Inquiry
LTC1731EMS8-4.1#PBF Linear Technology
LTC1731 - LITHIUM-I...
7,030
In-stock
Inquiry
LT1505CG-1#PBF Linear Technology
LT1505 - SYNCHRONOU...
3,970
In-stock
Inquiry
LT1579CS-3.3#PBF Linear Technology
LT1579 - 300MA DUAL I...
2,550
In-stock
Inquiry
LT1579CGN-3.3#PBF Linear Technology
LT1579 - 300MA DUAL I...
1,400
In-stock
Inquiry
LTC1559CS8-5#PBF Linear Technology
IC BAT PWR MGMT N...
5,030
In-stock
Inquiry
LT3757IDD Linear Technology
LT3757 - BOOST, FLY,...
2,200
In-stock
Inquiry
LTC3822EGN-1#TRPBF Linear Technology
LTC3822-1 - ALL CHAN...
5,350
In-stock
Inquiry
LTC3860EUH#TRPBF Linear Technology
LTC3860 - DUAL-PHAS...
2,170
In-stock
Inquiry
LT1737IGN Linear Technology
LT1737 - IC VOLT REG...
7,200
In-stock
Inquiry
LTC1871EMS Linear Technology
LTC1871EMS - WIDE I...
7,500
In-stock
Inquiry
LTC3866IFE#PBF Linear Technology
CURRENT MODE SYN...
4,160
In-stock
Inquiry
LTC3875IUH#PBF Linear Technology
LTC3875 - DUAL, 2-PHA...
6,690
In-stock
Inquiry
LTC3834EGN-1#PBF Linear Technology
LTC3834 - 30UA IQ SYN...
5,990
In-stock
Inquiry
LTC3732CG#TRPBF Linear Technology
SWITCHING CONTRO...
4,330
In-stock
Inquiry
LTC1143CS#PBF Linear Technology
LTC1143 - DUAL HIGH...
1,980
In-stock
Inquiry
LTC3713EG#TRPBF Linear Technology
LOW INPUT VOLTAG...
6,550
In-stock
Inquiry
LTC1628IG-PG#TR Linear Technology
LTC1628 - 2-PHASE SY...
4,810
In-stock
Inquiry