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Isolated power modules (integrated transformer)

UCC12051-Q1

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Automotive, 500-mW, 5-kVrms isolated DC/DC module with integrated transformer

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Data sheet

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NEW UCC33421-Q1 PREVIEW Automotive, 5V/5V, 1.5W 5kVrms isolated DC-DC power module with integrated transformer Smaller footprint, increased power and efficiency.

UCC12051-Q1

ACTIVE
Data sheet Order now

Product details

Features 0.5W, Regulated, Reinforced isolation, Single output Output power (W) 0.5 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Vout (max) (V) 5 Device type Isolated modules Isolation rating Reinforced Regulated outputs (#) 1 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Full-bridge Control mode Internally Regulated with 3.3V or 5V Select Vout (min) (V) 3.3
Features 0.5W, Regulated, Reinforced isolation, Single output Output power (W) 0.5 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Vout (max) (V) 5 Device type Isolated modules Isolation rating Reinforced Regulated outputs (#) 1 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Full-bridge Control mode Internally Regulated with 3.3V or 5V Select Vout (min) (V) 3.3
SO-MOD (DVE) 16 106.09 mm² 10.3 x 10.3
  • High-efficiency DC/DC converter with integrated transformer technology
  • AEC-Q100 qualified with the following results:
    • Device temperature Grade 1: –40°C to 125°C ambient operating Temperature
  • Functional Safety-Capable
  • Output power (typical): 500 mW
  • Regulated 5 V or 3.3 V output with selectable 400 mV headroom voltage to power an LDO
  • Input voltage: 4.5 V to 5.5 V
  • Robust isolation barrier:
    • Isolation rating: 5 kVRMS
    • Surge capability: 10 kVPK
    • Working voltage: 1.2 kVRMS
    • Minimum CMTI: 100 V/ns
  • Short circuit recovery
  • Thermal shutdown
  • 16-pin wide-body SOIC package with > 8-mm creepage and clearance
  • Safety-related certifications (planned):
    • 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5000-VRMS isolation for 1 minute per UL 1577
    • UL certification per IEC 60950-1 and IEC 62368-1 end equipment standards
    • CQC approval per GB4943.1-2011
  • High-efficiency DC/DC converter with integrated transformer technology
  • AEC-Q100 qualified with the following results:
    • Device temperature Grade 1: –40°C to 125°C ambient operating Temperature
  • Functional Safety-Capable
  • Output power (typical): 500 mW
  • Regulated 5 V or 3.3 V output with selectable 400 mV headroom voltage to power an LDO
  • Input voltage: 4.5 V to 5.5 V
  • Robust isolation barrier:
    • Isolation rating: 5 kVRMS
    • Surge capability: 10 kVPK
    • Working voltage: 1.2 kVRMS
    • Minimum CMTI: 100 V/ns
  • Short circuit recovery
  • Thermal shutdown
  • 16-pin wide-body SOIC package with > 8-mm creepage and clearance
  • Safety-related certifications (planned):
    • 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5000-VRMS isolation for 1 minute per UL 1577
    • UL certification per IEC 60950-1 and IEC 62368-1 end equipment standards
    • CQC approval per GB4943.1-2011

UCC12051-Q1 is an automotive qualified DC/DC power module with 5-kVRMS isolation rating designed to provide efficient, isolated power to isolated circuits that require a bias supply with a well-regulated output voltage. The device integrates a transformer and DC/DC controller with a proprietary architecture to provide 500 mW (typical) of isolated power with low EMI.

The UCC12051-Q1 integrates protection features for increased system robustness. The device also has an enable pin, synchronization capability, and regulated 5-V or 3.3-V output options with headroom. The UCC12051-Q1 is a low-profile, miniaturized solution offered in a wide-body SOIC package with 2.65-mm height (typical).

UCC12051-Q1 is an automotive qualified DC/DC power module with 5-kVRMS isolation rating designed to provide efficient, isolated power to isolated circuits that require a bias supply with a well-regulated output voltage. The device integrates a transformer and DC/DC controller with a proprietary architecture to provide 500 mW (typical) of isolated power with low EMI.

The UCC12051-Q1 integrates protection features for increased system robustness. The device also has an enable pin, synchronization capability, and regulated 5-V or 3.3-V output options with headroom. The UCC12051-Q1 is a low-profile, miniaturized solution offered in a wide-body SOIC package with 2.65-mm height (typical).
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Technical documentation

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Type Title Date
* Data sheet UCC12051-Q1 High-Efficiency, Low-EMI, 5-kVRMS Isolation DC/DC Converter datasheet (Rev. A) PDF | HTML 23 Jun 2021
Certificate UCC12050, UCC12051-Q1 CQC Certificate of Compliance to GB4943.1-2022 CQC20001273822 16 Aug 2024
Certificate UCC12050, UCC12051-Q1, CQC Certificate of Compliance to GB4943.1-2022 CQC20001273822 16 Aug 2024
White paper 신뢰할 수 있는 합리적 가격대의 절연 기술 개발과 관련한 고전압 설계 문제의 해결 (Rev. C) PDF | HTML 16 May 2024
Technical article 使用交錯式接地面來改善隔離式電源的雜訊過濾 PDF | HTML 21 Mar 2024
Technical article 인터리브 접지면을 사용하여 절연 전원 공급 장치의 잡음 필터링 개선 PDF | HTML 21 Mar 2024
White paper 以可靠且經濟實惠的隔離技術解決高電壓設計挑戰 (Rev. C) PDF | HTML 07 Mar 2024
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. S) 29 Feb 2024
Technical article Using interleaved ground planes to improve noise filtering from isolated power supplies PDF | HTML 21 Feb 2024
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 26 Sep 2023
Certificate UL Certificate of Compliance to IEC 60950-1 US-36707-A1-UL (UCC12051-Q1) 13 Dec 2022
Certificate UL Certificate of Compliance to IEC 62368-1 US-36706-A1-UL (UCC12051-Q1) 13 Dec 2022
Certificate UL Certificate of Compliance to UL1577 File No E181974 (UCC12051-Q1) 13 Dec 2022
Certificate UL Certificate of Compliance to IEC 60601-1 US-36773-M1-UL (UCC12051-Q1) 12 Dec 2022
Certificate CQC Certificate of Compliance to GB4943.1-2011 CQC20001273822 (UCC12051-Q1) 12 Dec 2022
Certificate UCC120151-Q1 CQC Certificate of Compliance to GB4943.1-2011 CQC20001273822 (EN) 12 Dec 2022
User guide UCC12050EVM-022 User's Guide (Rev. D) PDF | HTML 26 Jan 2022
Test report UCC12051-Q1 CISPR 25 FCC Report 2.0 (Rev. A) 25 May 2021
Functional safety information UCC12051-Q1, UCC12041-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 03 May 2021
Certificate UCC12051Q1 CISPR25 Certificate of Compliance PR135773 08 Apr 2021
More literature A simple, robust, and low-EMI solution for inverter gate-driver bias supplies 23 Mar 2021
Technical article The value of a thin, isolated power solution PDF | HTML 02 Feb 2021

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

UCC12050EVM-022 — UCC12050DVE isolated DC-DC converter evaluation module

The UCC12050EVM-022 is intended to allow designers to evaluate the performance characteristics and abilities of the UCC12050DVE. The EVM allows users to test functions of the UCC12050DVE such as: enable/disable, synchronize the device with an external clock source, detect external clock faults, (...)
User guide: PDF | HTML
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Simulation model

UCC12051-Q1 SIMPLIS Model

SNVMC55.ZIP (84 KB) - SIMPLIS Model
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Reference designs

TIDM-02014 — High-power, high-performance automotive SiC traction inverter reference design

TIDM-02014 is a 800-V, 300kW SiC-based traction inverter system reference design developed by Texas Instruments and Wolfspeed provides a foundation for OEMs and design engineers to create high-performance, high-efficiency traction inverter systems and get to market faster. This solution (...)
Design guide: PDF
Reference designs

PMP22845 — Isolated 5-V bias supply for automotive CISPR 25, class 5 emissions, reference design

This reference design demonstrates EMI mitigation techniques required for a high frequency, reinforced 5-kVRMS isolated, 5-V bias DC/DC converter module to pass the automotive, CIPSR 25, class 5, EMC test standard. The design features a 500-mW, high efficiency bias supply with integrated (...)
User guide: PDF
Schematic: PDF
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SO-MOD (DVE) 16 Ultra Librarian
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