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UCC33421

現行

具有整合式變壓器的 5V/5V 1.5W 5kVrms 隔離式 DC-DC 模組

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產品規格表

UCC33421

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Vin (max) (V) 5.5 Vin (min) (V) 4.5 Vout (max) (V) 5.7 Vout (min) (V) 4.85 Features 1.5W, Regulated, Reinforced isolation, Single output Device type Isolated modules Regulated outputs (#) 1 TI functional safety category Functional Safety-Capable Isolation rating Reinforced Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 5.5 Vin (min) (V) 4.5 Vout (max) (V) 5.7 Vout (min) (V) 4.85 Features 1.5W, Regulated, Reinforced isolation, Single output Device type Isolated modules Regulated outputs (#) 1 TI functional safety category Functional Safety-Capable Isolation rating Reinforced Operating temperature range (°C) -40 to 125
SO-MOD (DHA) 16 60.255 mm² (5.85 mm × 10.3 mm)
  • 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
  • 4mV/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-32 Class B emission
  • Strong magnetic fields immunity
  • Overload and short circuit protection
  • Thermal shutdown
  • Low inrush current soft-start
  • Enable pin with fault reporting mechanism
  • Extended temperature range: –40°C to 125°C
  • SSOP-16 (5.85mm × 7.50mm) package
  • >8.2mm clearance and creepage
  • 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
  • 4mV/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-32 Class B emission
  • Strong magnetic fields immunity
  • Overload and short circuit protection
  • Thermal shutdown
  • Low inrush current soft-start
  • Enable pin with fault reporting mechanism
  • Extended temperature range: –40°C to 125°C
  • SSOP-16 (5.85mm × 7.50mm) package
  • >8.2mm clearance and creepage

The UCC33421 is an industrial 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.

The UCC33421 features a proprietary transformer architecture that achieves a 5kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.

The UCC33421 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.

The UCC33421 comes in a miniaturized, low-profile SSOP (5.85mm × 7.50mm) package with 2.65mm height and > 8.2mm clearance and creepage.

The UCC33421 is an industrial 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.

The UCC33421 features a proprietary transformer architecture that achieves a 5kVRMS isolation rating, while simultaneously supporting low EMI and excellent load regulation.

The UCC33421 integrates protection features for increased system robustness such as enable pin with fault reporting mechanism, short circuit protection and thermal shutdown.

The UCC33421 comes in a miniaturized, low-profile SSOP (5.85mm × 7.50mm) package with 2.65mm height and > 8.2mm clearance and creepage.
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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 UCC33421 Ultra-Small, 1.5W , 5.0V , 5kVRMS Isolation, Industrial DC/DC Module datasheet PDF | HTML 2025/9/12
應用說明 How to Pass CISPR32 Class B for UCC33420-Q1 PDF | HTML 2025/10/29
證書 UCC33421-Q1 Certificate of Compliance CISPR25 Class 5 2025/10/28
功能安全資訊 UCC33011(Q1), UCC33021(Q1) UCC33411(Q1), and UCC33421(Q1) Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2025/9/16
證書 UCC33421 Certificate of Compliance CISPR32 Class B 2025/8/20
應用說明 Insulation Resistance Detection Designs in GESS-BMS PDF | HTML 2025/1/22

設計與開發

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開發板

UCC33421EVM-092 — UCC33421 評估模組

UCC33421EVM-092 旨在協助設計人員評估 UCC33xx1 系列汽車與工業裝置的效能與功能。UCC33421 是一款隔離式 DC/DC 轉換器模組，能夠以非常小巧緊湊的 DHA-16 封裝（5.85mm x 7.50mm x 2.65mm）提供 1.5W 功率和 5kVrms 隔離電壓，從而減少佔用空間並提供高功率密度。UCC334x1 裝置可在輸入側從 4.5V 至 5.5V ，並在 UCC330x1 從 3.0V 至 5.5V 運作。透過設定 SEL 針腳，UCC33x21 裝置可將次級側調整為 5V 或 5.5V，而 UCC33x11 則可調整為 3.3V 或 (...)
使用指南: PDF | HTML
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模擬型號

UCC3342x and UCC3342x-Q1 SIMPLIS Model (Rev. B)

SLUM888B.ZIP (88 KB) - SIMPLIS 模型
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計算工具

UCC3342X-CALC — 緩啟動上升時間和穩定狀態突衝持續時間計算機

This calculator is used to calculate the soft-start rise time and steady state burst-on duration for UCC3342x devices with different load and output capacitor configurations
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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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參考設計

TIDA-01606 — 11-kW、雙向三相三級 (T 型) 逆變器和 PFC 參考設計

此參考設計概述了雙向三階、三相、SiC 式主動前端 (AFE) 逆變器和功率因數校正 (PFC) 階段的實作方式。此設計使用高達 90kHz 的切換頻率和 LCL 輸出濾波器來縮小磁性元件尺寸。達成了 98.6% 的峰值效率。此設計展示如何在 DQ 領域中實作完整的三相 AFE 控制。此雙向轉換器可實現 DC 快速充電及車輛至電網 (V2G) 應用。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SO-MOD (DHA) 16 Ultra Librarian
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