Texas Instruments
AEC-Q100 42 VIN PSR flyback, 65 V/4.1 A MOSFET, up to 15 W, no optocoupler, WSON-8
The LM25184QNGURQ1 is an automotive primary-side regulated (PSR) flyback DC/DC converter that integrates a 65 V, 0.11 Ω power MOSFET with a 4.1 A typical peak current limit. Operating from a 4.5 V to 42 V input, it delivers isolated outputs of up to 15 W without an optocoupler, which simplifies isolated bias supplies. It comes in a 4 mm x 4 mm 8-pin WSON package with wettable flanks. Typical applications include HEV/EV powertrain systems, automotive body electronics, and IGBT and SiC gate-driver supplies in traction inverters.
Key Specifications
Verify against the original datasheet before quoting.
| Input voltage | 4.5 V to 42 V |
|---|---|
| Integrated MOSFET | 65 V, 0.11 Ω |
| Peak switch current limit | 4.1 A typ |
| Output power | Up to 15 W, PSR flyback (no optocoupler) |
| Switching frequency | Up to 350 kHz |
| Temperature | AEC-Q100 Grade 1: -40 to 125 °C ambient; junction -40 to +150 °C |
Market Status
Availability is limited. Factory lead time is currently around 26 weeks.
Quality & Traceability
Cerametronics is ISO 9001 certified and products are RoHS compliant, with counterfeit screening and full traceability on every shipment. A Certificate of Conformance is available on request. For allocation-sensitive or high-risk lots, independent third-party lab verification can be arranged — just flag it on your RFQ. Any lot that fails incoming inspection is quarantined and never shipped.
FAQ
Is the LM25184-Q1 AEC-Q100 qualified?
Yes. The datasheet lists AEC-Q100 qualification with device temperature grade 1 (-40 to 125 °C ambient) and a -40 to +150 °C junction temperature range.
Does it need an optocoupler for regulation?
No. It uses primary-side regulation, so no optocoupler or third winding is needed to regulate an isolated output.
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