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UCC35131-Q1

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具有整合式變壓器的車用、2W、5.5V 至 20V VIN、穩壓 5kVRMS 隔離式 DC-DC 電源模組

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UCC35131-Q1

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產品詳細資料

Rating Automotive Topology Full-bridge Vin (max) (V) 20 Vin (min) (V) 5.5 Vout (max) (V) 26 Vout (min) (V) 12 Features 2W, Dual output, Enable, Power good, Regulated, Reinforced isolation, Soft start, UVLO adjustable Device type Isolated modules Regulated outputs (#) 2 TI functional safety category Functional Safety-Capable Isolation rating Reinforced Output power (W) 2 Operating temperature range (°C) -40 to 125 Control mode Internally Regulated with Dual Adjustable Outputs
Rating Automotive Topology Full-bridge Vin (max) (V) 20 Vin (min) (V) 5.5 Vout (max) (V) 26 Vout (min) (V) 12 Features 2W, Dual output, Enable, Power good, Regulated, Reinforced isolation, Soft start, UVLO adjustable Device type Isolated modules Regulated outputs (#) 2 TI functional safety category Functional Safety-Capable Isolation rating Reinforced Output power (W) 2 Operating temperature range (°C) -40 to 125 Control mode Internally Regulated with Dual Adjustable Outputs
SO-MOD (DHA) 16 60.255 mm² (5.85 mm × 10.3 mm)
  • Fully integrated high-density isolated DC/DC module with isolation planar transformer
  • Wide input range: 5.5V to 28V (with 22V OVLO)
    • ≥ 2.0W typical output for VVIN = 12V ±10%, 12V ≤ VVDD-COM ≤ 18V, at TA ≤ 85°C
    • ≥ 1.6W typical output for 8V ≤ VVIN ≤ 18V, 12V ≤ VVDD-COM ≤ 18V, at TA ≤ 85°C
    • ≥ 0.6W typical output for 6V ≤ VVIN ≤ 7V, and ≥ 0.5W for VVIN = 5.5V, at TA ≤ 105°C
  • Programmable (VDD – COM) output voltage
    • 12V to 18V, ≤ ±1.5% total regulation accuracy
  • Programmable (VEE – COM) output voltage
    • -2V to -8V, ≤ ±5% total regulation accuracy
  • Adaptive spread spectrum modulation (SSM)
  • Strong magnetic and radiated field immunities
  • Reduced inrush current soft-start
  • ENA pin for logic enable and programming input UVLO
  • Open-drain Power-Good for fault indicator
  • Integrated protections: UVLO, OVLO, short-circuit, OVP, UVP, and thermal shutdown.
  • < 3pF isolation capacitance
  • Static and dynamic CMTI > ±250kV/µs
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1:–40°C ≤ TA ≤ 125°C
  • Safety-related certifications (Planned):
    • Reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • UL 1577 / CSA component recognition program
  • 16-pin, wide body SOIC package
  • Fully integrated high-density isolated DC/DC module with isolation planar transformer
  • Wide input range: 5.5V to 28V (with 22V OVLO)
    • ≥ 2.0W typical output for VVIN = 12V ±10%, 12V ≤ VVDD-COM ≤ 18V, at TA ≤ 85°C
    • ≥ 1.6W typical output for 8V ≤ VVIN ≤ 18V, 12V ≤ VVDD-COM ≤ 18V, at TA ≤ 85°C
    • ≥ 0.6W typical output for 6V ≤ VVIN ≤ 7V, and ≥ 0.5W for VVIN = 5.5V, at TA ≤ 105°C
  • Programmable (VDD – COM) output voltage
    • 12V to 18V, ≤ ±1.5% total regulation accuracy
  • Programmable (VEE – COM) output voltage
    • -2V to -8V, ≤ ±5% total regulation accuracy
  • Adaptive spread spectrum modulation (SSM)
  • Strong magnetic and radiated field immunities
  • Reduced inrush current soft-start
  • ENA pin for logic enable and programming input UVLO
  • Open-drain Power-Good for fault indicator
  • Integrated protections: UVLO, OVLO, short-circuit, OVP, UVP, and thermal shutdown.
  • < 3pF isolation capacitance
  • Static and dynamic CMTI > ±250kV/µs
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1:–40°C ≤ TA ≤ 125°C
  • Safety-related certifications (Planned):
    • Reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • UL 1577 / CSA component recognition program
  • 16-pin, wide body SOIC package

The UCC35131-Q1 is an automotive qualified high isolation voltage DC/DC power module designed to provide power to IGBT, SiC, Si and GaN isolated gate drivers and UIR Sensors. Its proprietary integrated transformer, flip-chip package, and advanced control architectures achieve high power density, low noise, and lowest system BOM. This device is capable of delivering 2.0W typical output power at 85oC ambient temperature. The highly accurate dual-output voltages, easily set by resistor dividers, enable low on-resistance, fast and reliable switching for SiC, IGBT and GaN devices. The low-latency feedback control reduces the output capacitance for fast load transient and supports dynamic voltage programming. The wide input voltage and adjustable VIN UVLO supports both wide battery voltage of electric vehicles and regulated input rails. It is operational from 5.5V to 20V VIN, and can withstand VIN overvoltage transient up to 28V.

The integrated protection features, fault-report Power-Good pin, and enable function increase system robustness and save external components. The SOIC package with 8.2mm creepage and clearance distance ensures high isolation capability.

The UCC35131-Q1 is an automotive qualified high isolation voltage DC/DC power module designed to provide power to IGBT, SiC, Si and GaN isolated gate drivers and UIR Sensors. Its proprietary integrated transformer, flip-chip package, and advanced control architectures achieve high power density, low noise, and lowest system BOM. This device is capable of delivering 2.0W typical output power at 85oC ambient temperature. The highly accurate dual-output voltages, easily set by resistor dividers, enable low on-resistance, fast and reliable switching for SiC, IGBT and GaN devices. The low-latency feedback control reduces the output capacitance for fast load transient and supports dynamic voltage programming. The wide input voltage and adjustable VIN UVLO supports both wide battery voltage of electric vehicles and regulated input rails. It is operational from 5.5V to 20V VIN, and can withstand VIN overvoltage transient up to 28V.

The integrated protection features, fault-report Power-Good pin, and enable function increase system robustness and save external components. The SOIC package with 8.2mm creepage and clearance distance ensures high isolation capability.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 UCC35131-Q1 Automotive 2.0 W, 12 V VIN , High-Density, > 5kVRMS , Isolated DC/DC Module datasheet PDF | HTML 2025/10/8
Application brief Optimized Excitation Power Stage for Electrically Excited Synchronous Machines (Rev. A) PDF | HTML 2026/5/5
證書 UCC35131EVM-118 EU Declaration of Conformity (DoC) 2024/11/8

設計與開發

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計算工具

UCC35131-Q1-CALC — UCC35131-Q1 設計的計算機工具

Design calculator tool to generate external BOM based on system requirement
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參考設計

TIDA-011011 — 適用於 3.3kV SiC-FET 且具有隔離偏壓電源的隔離式閘極驅動器電路板參考設計

此參考設計提供為額定電壓高達 3.3kV 之場效電晶體 (FET) 實作閘極驅動設計的範本。運用具有分離輸出的單通道隔離式預驅動器，可驅動多種功率 FET 變體，同時維持高電流汲極和源極能力。透過整合具控制輸出軌電壓的 DC/DC 隔離式偏壓電源，可降低 RDS(on) 運作，進一步強化驅動設計性能。

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參考設計

TIDA-011012 — 適合中壓應用的 50kW SiC 式模組化固態變壓器參考設計

此設計實作以碳化矽 (SiC) 電源模組為基礎的三相固態變壓器 (SST)。使用模組化架構可實現串聯多個轉換器子模組，以滿足中壓電網需求。使用快速切換 SiC 裝置可讓 DC/AC 級在 10kHz 時切換，並可在 100kHz 時切換雙主動橋式 (DAB) 隔離級，進而縮減高頻磁性元件的尺寸，並增加整體功率密度。模組間通訊可提供中壓終端設備所需的高隔離電壓位準。串接拓撲結構均勻地將電網電壓分配給子模組，允許使用標準的低電壓額定 SiC 裝置，同時維持完整中壓運作。
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SO-MOD (DHA) 16 Ultra Librarian
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