Home Energiemanagement DC/DC-Spannungsversorgungsmodul Isolierte Stromversorgungsmodule (integrierter Transformator)
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UCC34141-Q1

AKTIV

Geregeltes isoliertes Automobil-DC/DC-Modul mit integriertem Trafo, 5,5–20 V VIN, 1,5 W, 5 kVRMS

UCC34141-Q1

AKTIV

Produktdetails

Rating Automotive 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 Automotive 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
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1:–40°C ≤ TA ≤ 125°C
  • Functional Safety-Capable
  • 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
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1:–40°C ≤ TA ≤ 125°C
  • Functional Safety-Capable

UCC34141-Q1 is an automotive qualified , 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-Q1 is an automotive qualified , 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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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt UCC34141-Q1 Automotive 1.5 W, 12 V VIN , 25 V VOUT , High Power Density, > 5kVRMS , Isolated DC/DC Module datasheet (Rev. D) PDF | HTML 13.04.2026
Application brief Optimized Excitation Power Stage for Electrically Excited Synchronous Machines (Rev. A) PDF | HTML 05.05.2026
Analog Design Journal How integrated isolated bias modules improve power density and reliability PDF | HTML 23.04.2026
Technischer Artikel Isolated power modules with IsoShield™ technology cut solution size by as much as 70% PDF | HTML 03.03.2026
Informationen zur funktionalen Sicherheit UCC34141-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 25.02.2026
Whitepaper Isolated Bias Power Supply Architecture for HEV/EV Single Stage Onboard Chargers PDF | HTML 07.01.2026
Zertifikat UCC34141EVM-116 EU RoHS Declaration of Conformity (DoC) PDF | HTML 27.09.2024

Design und Entwicklung

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Evaluierungsplatine

UCC34141EVM-116 — UCC34141 – Evaluierungsmodul

Dieses Evaluierungsmodul (EVM) akzeptiert den UCC35341-Q1 als Drop-in-, Pin-zu-Pin-kompatible 2-W-Variante des 1,5-W-Bias-Moduls UCC34141-Q1. Das UCC34141EVM-116-EVM arbeitet von 5,5 VIN bis 20 VIN und ist für Doppelausgänge von VDD = 18 V und VEE = – 5 V konfiguriert.
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Simulationsmodell

UCC34141 and UCC34141-Q1 SIMPLIS Model

SLVMEY9.ZIP (98 KB) - SIMPLIS-Modell
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Berechnungstool

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

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