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Módulos de alimentación aislados (transformador integrado)
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UCC34141

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Módulo CC/CC aislado de 1.5 W, 5.5 a 20 V Vin, regulado, 5 kVRMS con transformador integrado

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UCC34141

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Detalles del producto

Rating Catalog Topology Full-bridge Vin (max) (V) 20 Vin (min) (V) 5.5 Vout (max) (V) 25 Vout (min) (V) 15 Features 1.5W, 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) 1.5 Operating temperature range (°C) -40 to 125 Control mode Internally Regulated with Dual Adjustable Outputs
Rating Catalog Topology Full-bridge Vin (max) (V) 20 Vin (min) (V) 5.5 Vout (max) (V) 25 Vout (min) (V) 15 Features 1.5W, 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) 1.5 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 isolated planar transformer
  • Wide input range: 5.5V to 28V (with 22V OVLO)
    • ≥ 1.5W typical output for 11V ≤ VVIN ≤ 13V, 18V ≤ VVDD-COM ≤ 20V, at TA ≤ 85°C
  • Programmable (VDD – COM) output voltage
    • 15V to 20V, ≤ ±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 indication
  • Integrated protections: UVLO, OVLO, short-circuit, OVP, UVP, and thermal shutdown.
  • < 3pF isolation capacitance
  • > 8.2mm creepage and clearance
  • Static and dynamic CMTI > ±250kV/µs
  • Fully integrated isolated planar transformer
  • Wide input range: 5.5V to 28V (with 22V OVLO)
    • ≥ 1.5W typical output for 11V ≤ VVIN ≤ 13V, 18V ≤ VVDD-COM ≤ 20V, at TA ≤ 85°C
  • Programmable (VDD – COM) output voltage
    • 15V to 20V, ≤ ±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 indication
  • Integrated protections: UVLO, OVLO, short-circuit, OVP, UVP, and thermal shutdown.
  • < 3pF isolation capacitance
  • > 8.2mm creepage and clearance
  • Static and dynamic CMTI > ±250kV/µs

UCC34141 is a reinforced isolation, high working voltage, DC/DC power module designed to provide power to SiC and IGBT isolated gate drivers. TI’s proprietary integrated transformer and advanced control architectures achieve high power density, low noise, and a low system bill of materials. This device is capable of delivering 1.5W typical output power at 85°C ambient temperature. The highly accurate dual-output voltages, easily set by resistor dividers, enables low on-resistance, fast and reliable switching for SiC/IGBT. 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. The device is operational from 5.5V to 20V VIN, and can withstand VIN overvoltage transients up to 28V.

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

UCC34141 is a reinforced isolation, high working voltage, DC/DC power module designed to provide power to SiC and IGBT isolated gate drivers. TI’s proprietary integrated transformer and advanced control architectures achieve high power density, low noise, and a low system bill of materials. This device is capable of delivering 1.5W typical output power at 85°C ambient temperature. The highly accurate dual-output voltages, easily set by resistor dividers, enables low on-resistance, fast and reliable switching for SiC/IGBT. 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. The device is operational from 5.5V to 20V VIN, and can withstand VIN overvoltage transients up to 28V.

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

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos UCC34141 Industrial 1.5 W, 12 V VIN , 25 V VOUT , High Power Density, > 5kVRMS , Isolated DC/DC Module datasheet (Rev. A) PDF | HTML 13/04/2026
Nota sobre la aplicación Towards Functional Safety in Traction Inverters: Design Approach and Component Overview PDF | HTML 28/05/2026
Certificado UCC34141EVM-116 EU RoHS Declaration of Conformity (DoC) PDF | HTML 27/09/2024

Diseño y desarrollo

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Placa de evaluación

UCC34141EVM-116 — Módulo de evaluación UCC34141

Este módulo de evaluación (EVM) acepta el UCC35341-Q1 como variante de 2 W directa y compatible pin a pin del módulo de polarización de 1.5 W UCC34141-Q1. El EVM UCC34141EVM-116 funciona de 5.5 VIN a 20 VIN y está configurado para dos salidas de VDD = 18 V y VEE = –5 V.
Guía del usuario: PDF | HTML
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Modelo de simulación

UCC34141 and UCC34141-Q1 SIMPLIS Model

SLVMEY9.ZIP (98 KB) - Modelo SIMPLIS
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Herramienta de cálculo

UCC34141-Q1-CALC — UCC34141-Q1 design calculator tool

Design calculator tool to generate external BOM based on system requirement
Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SO-MOD (DHA) 16 Ultra Librarian
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Pedidos y calidad

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

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