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UCC35131-Q1

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Automotive, 2W, 5.5V-to-20V VIN, regulated 5kVRMS isolated DC-DC module with integrated transformer

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Data sheet

UCC35131-Q1

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Data sheet Order now

Product details

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) to 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) to Control mode Internally Regulated with Dual Adjustable Outputs
SO-MOD (DHA) 16 60.255 mm² 5.85 x 10.3
  • 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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* Data sheet UCC35131-Q1 Automotive 2.0 W, 12 V VIN , High-Density, > 5kVRMS , Isolated DC/DC Module datasheet PDF | HTML 08 Oct 2025
Certificate UCC35131EVM-118 EU Declaration of Conformity (DoC) 08 Nov 2024

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Evaluation board

UCC35131EVM-118 — UCC35131-Q1 evaluation module for automotive and industrial bias supply applications

This evaluation module (EVM) allows designers to quickly and efficiently evaluate the UCC35131-Q1 for use in automotive or industrial applications requiring gate driver, IC bias power as high as 2W and meeting up to 5kVRMS isolation. The EVM demonstrates the small size, high power density, voltage (...)

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UCC35131-Q1-CALC — UCC35131-Q1 design calculator tool

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UCC35131-Q1 — Automotive, 2W, 5.5V-to-20V VIN, regulated 5kVRMS isolated DC-DC module with integrated transformer
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