Datasheet UCC34141-Q1 (Texas Instruments)
| Manufacturer | Texas Instruments |
| Description | Automotive, 5.5V-to-20V VIN, 1.5W regulated 5kVRMS isolated DC/DC module with integrated transformer |
| Pages / Page | 41 / 1 — UCC34141-Q1. UCC34141-Q1 Automotive 1.5W, 12V VIN, 25V VOUT, High Power … |
| File Format / Size | PDF / 2.3 Mb |
| Document Language | English |
UCC34141-Q1. UCC34141-Q1 Automotive 1.5W, 12V VIN, 25V VOUT, High Power Density, > 5kVRMS,. Isolated DC/DC Module
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UCC34141-Q1
SLUSFP1D – APRIL 2024 – REVISED APRIL 2026
UCC34141-Q1 Automotive 1.5W, 12V VIN, 25V VOUT, High Power Density, > 5kVRMS, Isolated DC/DC Module 1 Features 3 Description
• Fully integrated isolated planar transformer UCC34141-Q1 is an automotive qualified , reinforced • Wide input range: 5.5V to 28V (with 22V OVLO) isolation, high working voltage, DC/DC power module – ≥ 1.5W typical output for 11V ≤ V designed to provide power to SiC and IGBT isolated VIN ≤ 13V, 18V ≤ V gate drivers. TI's proprietary integrated transformer VDD-COM ≤ 20V, at TA ≤ 85°C • Programmable (VDD – COM) output voltage and advanced control architectures achieve high – 15V to 20V, ≤ ±1.5% total regulation accuracy power density, low noise, and a low system bill of • Programmable (VEE – COM) output voltage materials. This device is capable of delivering 1.5W – -2V to -8V, ≤ ±5% total regulation accuracy typical output power at 85°C ambient temperature. • Adaptive spread spectrum modulation (SSM) The highly accurate dual-output voltages, easily set • Strong magnetic and radiated field immunities by resistor dividers, enables low on-resistance, fast • Reduced inrush current soft-start and reliable switching for SiC/IGBT. The low-latency • ENA pin for logic enable and programming input feedback control reduces the output capacitance for UVLO fast load transient and supports dynamic voltage • Open-drain Power-Good for fault indication programming. The wide input voltage and adjustable • Integrated protections: UVLO, OVLO, short-circuit, VIN UVLO supports both wide battery voltage of OVP, UVP, and thermal shutdown. electric vehicles and regulated input rails. The device • < 3pF isolation capacitance is operational from 5.5V to 20V VIN, and can • > 8.2mm creepage and clearance withstand VIN overvoltage transients up to 28V. • Static and dynamic CMTI > ±250kV/µs The integrated protection features, fault-report Power- • AEC-Q100 qualified for automotive applications Good pin, and enables function increase system – Temperature grade 1:–40°C ≤ TA ≤ 125°C robustness and save external components. The • Functional Safety-Capable SOIC package with 8.2mm creepage and clearance – Documentation available to aid functional safety distance establishes high isolation capability. system design
Package Information 2 Applications PART NUMBER PACKAGE
(1)
PACKAGE SIZE
(2) • Hybrid, electric and power train systems UCC34141 DHA (SSOP, 16) 5.85mm × 7.50mm DQDHARQ1 – HEV/EV Inverter and motor control UCC34141QDHARQ – HEV/EV OBC and DC/DC converter DHA (SSOP, 16) 5.85mm × 7.50mm 1 • Data center – Rack power and thermal management (1) For all available packages, see Section 11. • Energy infrastructure (2) The package size (length × width) is a nominal value and includes pins, where applicable. – DC fast charging power module – DC fast charging station – String inverter • Power delivery – Industrial AC-DC PG (PG) PG (PG) VDD VDD ENA ENA VEE VEE CVDD CVEE VIN VIN BSW CVDD_GD CVEE_GD barrier R1 R3 FBVDD CIN FBVEE Isolation L R2 COM GNDP COM Source/ Emitter
Simplified Application
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Device Comparison 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Insulation Specifications 6.6 Electrical Characteristics 6.7 Safety Limiting Values 6.8 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Power Stage Operation 7.3.1.1 VDD-COM Voltage Regulation 7.3.1.2 COM-VEE Voltage Regulation 7.3.1.3 COM-VEE Output Capability 7.3.2 Output Voltage Soft Start 7.3.3 ENA and Power-Good 7.3.4 Protection Functions 7.3.4.1 Input Undervoltage Lockout 7.3.4.2 Input Overvoltage Lockout 7.3.4.3 Output Undervoltage Protection 7.3.4.4 Output Overvoltage Protection 7.3.4.5 Output Short Circuit Protection 7.3.4.6 Over-Temperature Protection 7.3.4.7 BSW Pin Faults Protection 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.2 Typical Application 8.2.1 Design Requirements 8.2.2 Detailed Design Procedure 8.2.2.1 VDD-COM Voltage Regulation 8.2.2.2 COM-VEE Voltage Regulation and Single Output Configuration 8.3 System Examples 8.4 Power Supply Recommendations 8.5 Layout 8.5.1 Layout Guidelines 8.5.2 Layout Example 9 Device and Documentation Support 9.1 Third-Party Products Disclaimer 9.2 Documentation Support 9.2.1 Related Documentation 9.3 Receiving Notification of Documentation Updates 9.4 Support Resources 9.5 Trademarks 9.6 Electrostatic Discharge Caution 9.7 Glossary 10 Revision History 11 Mechanical, Packaging, and Orderable Information
UCC34141-Q1
SLUSFP1D – APRIL 2024 – REVISED APRIL 2026
UCC34141-Q1 Automotive 1.5W, 12V VIN, 25V VOUT, High Power Density, > 5kVRMS, Isolated DC/DC Module 1 Features 3 Description
• Fully integrated isolated planar transformer UCC34141-Q1 is an automotive qualified , reinforced • Wide input range: 5.5V to 28V (with 22V OVLO) isolation, high working voltage, DC/DC power module – ≥ 1.5W typical output for 11V ≤ V designed to provide power to SiC and IGBT isolated VIN ≤ 13V, 18V ≤ V gate drivers. TI's proprietary integrated transformer VDD-COM ≤ 20V, at TA ≤ 85°C • Programmable (VDD – COM) output voltage and advanced control architectures achieve high – 15V to 20V, ≤ ±1.5% total regulation accuracy power density, low noise, and a low system bill of • Programmable (VEE – COM) output voltage materials. This device is capable of delivering 1.5W – -2V to -8V, ≤ ±5% total regulation accuracy typical output power at 85°C ambient temperature. • Adaptive spread spectrum modulation (SSM) The highly accurate dual-output voltages, easily set • Strong magnetic and radiated field immunities by resistor dividers, enables low on-resistance, fast • Reduced inrush current soft-start and reliable switching for SiC/IGBT. The low-latency • ENA pin for logic enable and programming input feedback control reduces the output capacitance for UVLO fast load transient and supports dynamic voltage • Open-drain Power-Good for fault indication programming. The wide input voltage and adjustable • Integrated protections: UVLO, OVLO, short-circuit, VIN UVLO supports both wide battery voltage of OVP, UVP, and thermal shutdown. electric vehicles and regulated input rails. The device • < 3pF isolation capacitance is operational from 5.5V to 20V VIN, and can • > 8.2mm creepage and clearance withstand VIN overvoltage transients up to 28V. • Static and dynamic CMTI > ±250kV/µs The integrated protection features, fault-report Power- • AEC-Q100 qualified for automotive applications Good pin, and enables function increase system – Temperature grade 1:–40°C ≤ TA ≤ 125°C robustness and save external components. The • Functional Safety-Capable SOIC package with 8.2mm creepage and clearance – Documentation available to aid functional safety distance establishes high isolation capability. system design
Package Information 2 Applications PART NUMBER PACKAGE
(1)
PACKAGE SIZE
(2) • Hybrid, electric and power train systems UCC34141 DHA (SSOP, 16) 5.85mm × 7.50mm DQDHARQ1 – HEV/EV Inverter and motor control UCC34141QDHARQ – HEV/EV OBC and DC/DC converter DHA (SSOP, 16) 5.85mm × 7.50mm 1 • Data center – Rack power and thermal management (1) For all available packages, see Section 11. • Energy infrastructure (2) The package size (length × width) is a nominal value and includes pins, where applicable. – DC fast charging power module – DC fast charging station – String inverter • Power delivery – Industrial AC-DC PG (PG) PG (PG) VDD VDD ENA ENA VEE VEE CVDD CVEE VIN VIN BSW CVDD_GD CVEE_GD barrier R1 R3 FBVDD CIN FBVEE Isolation L R2 COM GNDP COM Source/ Emitter
Simplified Application
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Device Comparison 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Insulation Specifications 6.6 Electrical Characteristics 6.7 Safety Limiting Values 6.8 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Power Stage Operation 7.3.1.1 VDD-COM Voltage Regulation 7.3.1.2 COM-VEE Voltage Regulation 7.3.1.3 COM-VEE Output Capability 7.3.2 Output Voltage Soft Start 7.3.3 ENA and Power-Good 7.3.4 Protection Functions 7.3.4.1 Input Undervoltage Lockout 7.3.4.2 Input Overvoltage Lockout 7.3.4.3 Output Undervoltage Protection 7.3.4.4 Output Overvoltage Protection 7.3.4.5 Output Short Circuit Protection 7.3.4.6 Over-Temperature Protection 7.3.4.7 BSW Pin Faults Protection 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.2 Typical Application 8.2.1 Design Requirements 8.2.2 Detailed Design Procedure 8.2.2.1 VDD-COM Voltage Regulation 8.2.2.2 COM-VEE Voltage Regulation and Single Output Configuration 8.3 System Examples 8.4 Power Supply Recommendations 8.5 Layout 8.5.1 Layout Guidelines 8.5.2 Layout Example 9 Device and Documentation Support 9.1 Third-Party Products Disclaimer 9.2 Documentation Support 9.2.1 Related Documentation 9.3 Receiving Notification of Documentation Updates 9.4 Support Resources 9.5 Trademarks 9.6 Electrostatic Discharge Caution 9.7 Glossary 10 Revision History 11 Mechanical, Packaging, and Orderable Information