UCC33421-Q1
Automotive, 5V/5V, 1.5W 5kVrms isolated DC-DC power module with integrated transformer
UCC33421-Q1
- 1.5W Maximum output power
- 4.5V to 5.5V input voltage operation range
- 5.0V, 5.5V regulated selectable output voltage
- 5.0V: 300mA available load current
- 0.5% typical load regulation
- 2mV/V typical line regulation
- Robust isolation barrier:
- Isolation rating: 5kVRMS
- Surge capability: 10.4kVPK
- Working voltage: 1700VPK
- ± 8KV IEC 61000-4-2 contact discharge protection across isolation barrier
- 250V/ns common mode transient immunity
- Power dense isolated DC/DC module with integrated transformer technology
- Adaptive spread spectrum modulation (SSM)
- Meets CISPR-25 Class 5 emission
- Strong magnetic fields immunity
- Overload and short circuit protection
- Thermal shutdown
- Low inrush current soft-start
- Enable pin with fault reporting mechanism
- Functional Safety-Capable
- Planned Safety-related certifications:
- Reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5kVRMS isolation for 1 minute per UL 1577 / CSA
- AEC-Q100 qualified with the following results:
- Device temperature Grade 1: –40°C to 125°C ambient operating temperature
- SOIC-16 (5.85mm × 7.50mm) package
UCC33421-Q1 is an automotive qualified DC/DC power module with integrated transformer technology designed to provide 1.5W of isolated output power. It can support an input voltage operation range of 4.5V to 5.5V and regulate 5.0V output voltage with a selectable headroom of 5.5V.
UCC33421-Q1 features a proprietary transformer architecture that achieves a 5kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.
The UCC33421-Q1 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.
The UCC33421-Q1 comes in a miniaturized, low-profile solution SOIC (5.85mm × 7.50mm) package with 2.65mm height and > 8.2mm creepage and clearance
Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | UCC33421-Q1 Ultra-Small, 1.5W , 5.0V , 5kVRMS Isolation, Automotive DC/DC Module datasheet | PDF | HTML | 20 Oct 2023 |
EVM User's guide | UCC33421EVM-092 Evaluation Module for Automotive and Industrial Applications (Rev. B) | PDF | HTML | 27 Nov 2024 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
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TIDA-010247 — High-accuracy battery management unit reference design for 48–1500V energy storage system
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
UNKNOWN (DHA) | 16 | Ultra Librarian |
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