UCC34141-Q1 - 1.5W Isolated DC/DC Module | Texas Instruments
MPN: UCC34141-Q1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.5 | $5,500.00 |
Drop-in alternatives for UCC34141-Q1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
UCC35341-Q1
✅ Drop-In📋 Reference alternative (not in catalog)
UCC34141-Q1 Maximum Ratings & Electrical Characteristics
| Input Voltage Range | 5.5V to 20V (22V OVLO) |
| Output Power | 1.5W |
| Output Voltage | 15V to 20V (typical VDD=18V, VEE=-5V) |
| Output Current | 75mA |
| Isolation Rating | >5kVRMS |
| Package | 16-SO-MOD |
| Operating Temperature | -40°C to 125°C |
| Qualification | AEC-Q100 |
| Integrated Transformer | Yes (planar) |
| Output Overvoltage Protection | Yes |
| Regulation Method | FBVDD and FBVEE sensing |
| Technology | IsoShield |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Evaluation Board | UCC34141EVM-116 |
UCC34141-Q1 Pin Configuration
| Pin 1 | VIN — Input supply voltage |
| Pin 2 | GND — Ground |
| Pin 3 | EN — Enable pin (active high) |
| Pin 4 | FBVDD — Feedback for positive output voltage |
| Pin 5 | FBVEE — Feedback for negative output voltage |
| Pin 6 | VDD — Positive output voltage |
| Pin 7 | VEE — Negative output voltage |
| Pin 8 | GND_ISO — Isolated ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
UCC34141-Q1 is suitable for 6 applications: Automotive Traction Inverter, On-Board Charger, Industrial Motor Drive, Solar Inverter, Battery Management System (BMS), EV Charging Station.
Automotive Traction Inverter
The UCC34141-Q1 provides isolated bias power to SiC and IGBT gate drivers in automotive traction inverters. Its 5.5V to 20V input range supports 12V battery rails, and its >5kVRMS isolation ensures safe operation in high-voltage environments. The module's 1.5W output power is sufficient for gate driver bias, and its AEC-Q100 qualification ensures reliability in harsh automotive conditions. The integrated transformer reduces board space and simplifies design, making it ideal for space-constrained inverter modules.
Recommended
On-Board Charger
In on-board chargers (OBCs), the UCC34141-Q1 provides isolated bias power for gate drivers in the power stage. Its wide input range (5.5V to 20V) accommodates varying battery voltages, and its reinforced isolation (>5kVRMS) meets safety requirements for automotive applications. The module's 1.5W output power is adequate for driving multiple gate drivers, and its compact 16-SO-MOD package saves valuable PCB space. The device's AEC-Q100 qualification ensures reliable operation over the vehicle's lifetime.
Recommended
Industrial Motor Drive
The UCC34141-Q1 is used in industrial motor drives to provide isolated bias power to IGBT gate drivers. Its 5.5V to 20V input range is compatible with standard industrial supply rails, and its >5kVRMS isolation protects low-voltage control circuitry from high-voltage transients. The module's 1.5W output power is sufficient for gate driver bias, and its integrated transformer simplifies design and reduces component count. The device's wide operating temperature range (-40°C to 125°C) makes it suitable for harsh industrial environments.
Recommended
Solar Inverter
In solar inverters, the UCC34141-Q1 provides isolated bias power for gate drivers in the DC-AC conversion stage. Its wide input range (5.5V to 20V) supports various battery and PV panel voltages, and its reinforced isolation (>5kVRMS) ensures safety in high-voltage systems. The module's 1.5W output power is adequate for gate driver bias, and its compact package reduces board space. The device's AEC-Q100 qualification, while aimed at automotive, also ensures high reliability in demanding solar applications.
Recommended
Battery Management System (BMS)
The UCC34141-Q1 can be used in battery management systems to provide isolated bias power for monitoring and protection circuits. Its 5.5V to 20V input range is compatible with battery pack voltages, and its >5kVRMS isolation prevents ground loops and enhances safety. The module's 1.5W output power is sufficient for powering isolated sensors and communication interfaces. The device's compact size and integrated transformer make it ideal for space-constrained BMS designs.
Recommended
EV Charging Station
In EV charging stations, the UCC34141-Q1 provides isolated bias power for gate drivers in the power conversion stage. Its wide input range (5.5V to 20V) supports various supply voltages, and its reinforced isolation (>5kVRMS) meets safety standards for high-power charging equipment. The module's 1.5W output power is sufficient for gate driver bias, and its integrated transformer simplifies design and reduces component count. The device's AEC-Q100 qualification ensures reliable operation in demanding charging environments.
Recommended
Recommended Products Summary
Engineering reference data for UCC34141-Q1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | UCC35341-Q1 | UCC33420 |
|---|---|---|---|
| Package | 16-SO-MOD | 16-SO-MOD | VSON-12 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Output Power | 1.5W | 2W | [DATA_NEEDED] |
| Input Voltage Range | 5.5V to 20V | 5.5V to 20V | [DATA_NEEDED] |
| Isolation Rating | >5kVRMS | >5kVRMS | [DATA_NEEDED] |
| Output Voltage | 15V to 20V | 15V to 20V | [DATA_NEEDED] |
| Output Current | 75mA | [DATA_NEEDED] | [DATA_NEEDED] |
| Qualification | AEC-Q100 | AEC-Q100 | No |
Key Differentiators
- Integrated planar transformer (vs UCC33420)
- Automotive qualification (vs UCC33420)
- Higher isolation rating (vs UCC33420)
Design Notes
Ensure proper PCB layout for isolation spacing. The UCC34141-Q1 provides >5kVRMS isolation, so maintain adequate creepage and clearance distances between the primary and secondary sides of the PCB. Refer to the datasheet for recommended minimum spacing based on the working voltage and pollution degree. Use appropriate solder mask and conformal coating if needed to enhance isolation performance.
The UCC34141-Q1 dissipates power internally, so thermal management is important. Ensure adequate copper area on the PCB for heat dissipation, especially under high load conditions. The device is rated for operation up to 125°C, but junction temperature should be kept below the maximum rating. Consider using thermal vias and a ground plane to improve heat spreading.
Do not exceed the input voltage range of 5.5V to 20V, as the device has an OVLO at 22V. Ensure the output voltage is properly regulated by connecting the FBVDD and FBVEE pins correctly. The device includes output overvoltage protection, but proper feedback connection is essential for accurate regulation. Also, verify the output load does not exceed the 1.5W power rating.
Compliance Information
AEC-Q100 qualified per TI product page. RoHS compliant per TI product page.
