Infineon
Multi-Output Safety Power Supply IC for ISO 26262 / ASIL-D Applications
The TLF35584 is a system power supply IC designed by Infineon specifically for safety-critical automotive applications, such as Electric Power Steering (EPS), Battery Management Systems (BMS), and ADAS domain controllers. Compliant with ISO 26262 ASIL-D, it integrates a buck/boost pre-regulator, multiple post-LDOs, a window watchdog, and a dedicated safety monitoring unit. It is a high-value automotive IC with strict replacement barriers.
Key Specifications
Verify against the original datasheet before quoting.
| Input Voltage | 3.0V to 40V (Wide input range for cold-cranking and load-dump) |
|---|---|
| Buck Pre-Regulator | 5.0V / 1.5A Output |
| Post-Regulators | Multiple integrated LDOs (3.3V/5.0V for MCU cores and external sensors) |
| Functional Safety | ISO 26262 compliant, supports up to ASIL-D |
| Package | VQFN-48 (Exposed Pad) |
Market Status — as of October 2026
Tight Supply – High-Value Automotive IC
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
Can this PMIC operate during vehicle cold-crank conditions?
Yes, its boost-buck architecture ensures stable system output even when the battery supply drops down to 3.0V during engine startup.
Is traceability guaranteed for these automotive ICs?
Absolutely. All units are original factory-sealed with full batch traceability and Certificate of Conformance (CoC) available upon request.
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Cerametronics is an independent electronic components distributor and is not affiliated with Infineon. All trademarks belong to their respective owners.
