Alternatives to STMicroelectronics L6599AD
STMicroelectronics L6599AD and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for STMicroelectronics L6599AD
 L6599ADSTMicroelectronics | L6599ADTRSTMicroelectronics | L6599ATDSTMicroelectronics | +2more | |
|---|---|---|---|---|
| FFF Compatibility | The part is identical in silicon, pinout, and SO16 package footprint.Same SO-16 package (150 mil width) with identical physical dimensions.Matches all electrical specifications, operating voltage (8.85V to 16V), and temperature ranges (0°C to 105°C). | Fully pin-compatible with identical SO16 package footprint and pin definitions.Identical SO-16 package width and dimensions.Meets or exceeds all performance specifications with an expanded operating temperature range. | ||
 AI Summary | L6599AD by STMicroelectronics: Power Supply Controller Resonant Converter Controller 16-SO. | This is the tape-and-reel packaging variant of the queried L6599AD, which comes in tubes. It features identical silicon, packaging, and performance, serving as a 100% true drop-in replacement with no engineering risk.
| This is the high-reliability, wider-temperature version of the L6599AD. It offers a direct, pin-compatible drop-in replacement with improved robustness for industrial or thermally constrained applications.
| |
| Lifecycle Status | Active | Active | Unknown | |
| Market Availability | In stock | In stock | Unknown | |
| REACH | REACH | REACH | Unknown | |
| RoHS | RoHS | RoHS | Unknown | |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— | |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— | |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— | |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— | |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— | |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— | |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— | |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— |
Unlock all 4 alternatives
Sign in with your work email to read every gated row on this table — description, lead time, origin, export control and the full technical data.
Sign in to unlockSigning in creates a free Parter account. We use your name and email to contact you about Parter — see our Privacy Policy.
- Find & compare verified second sources
- Spot risk early with real-time part monitoring
- Stay compliant and production-ready
Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 L6599DSTMicroelectronics | In stock | NRND | 6Alternatives availableSee Alternatives |
 LM293ADTexas Instruments | In stock | Obsolete | 3Alternatives availableSee Alternatives |
 LP38692SD-ADJTexas Instruments | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
| L9369STMicroelectronics | Non-stock | Obsolete | 3Alternatives availableSee Alternatives |
You searched one part. Parter watches your whole BOM.
All your BOM, at once
Parter maps every line to live stock, lead time, lifecycle and compliance data across the entire market — not part by part.
Hear about problems before they hit production
Allocation, EOL and last-time-buy notices surface the moment they appear, not when your buyer's PO bounces.
Qualified replacements in minutes, not days
Every at-risk line gets form-fit-function matches like the ones above — deltas flagged, evidence attached. Review, push to your BOM, and Parter starts watching the new part too.
Frequently asked questions
Yes. The STMicroelectronics L6599AD is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the STMicroelectronics L6599AD are the L6599ADTR (STMicroelectronics) and the L6599ATD (STMicroelectronics), out of 4 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the L6599AD are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The L6599AD (STMicroelectronics) is a part in the Power Management (PMIC) category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
Schedule a demo
See Parter in action
Discover how Parter can help your hardware team:
- Streamline your hardware operations with AI
- Detect and prevent lifecycle disruptions
- Accelerate product development
- Stay compliant and production-ready