UCC33020QWRHBRQ1 - 1W Isolated DC/DC Module | TI Automotive
MPN: UCC33020QWRHBRQ1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.36 | $43.60 |
| 100 | $3.88 | $388.00 |
| 500 | $3.49 | $1,745.00 |
| 1,000 | $3.1 | $3,100.00 |
Drop-in alternatives for UCC33020QWRHBRQ1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
UCC33020QRAQRQ1
β Drop-Inπ Reference alternative (not in catalog)
UCC33020QWRHBRQ1
β Drop-Inβ In Stock
$3.1 / Unit
View Datasheet βUCC33020Q1
β Drop-Inπ Reference alternative (not in catalog)
UCC33020
β Drop-Inπ Reference alternative (not in catalog)
UCC33020QWRHBRQ1 Maximum Ratings & Electrical Characteristics
| Output Power | 1.0 W |
| Input Voltage Range | 3.0 V to 5.5 V |
| Output Voltage | 5.0 V (selectable headroom 5.5 V) |
| Output Current | 200 mA |
| Isolation Rating | 3 kVRMS |
| Load Regulation | 0.5% typical |
| Line Regulation | 4 mV/V typical |
| Package | VQFN-20 |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q100 |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] |
| Switching Frequency | [DATA_NEEDED: switching frequency] |
| Efficiency | [DATA_NEEDED: efficiency] |
| RoHS Status | Compliant |
| REACH Status | Compliant |
UCC33020QWRHBRQ1 Pin Configuration
| Pin 1 | VIN β Input supply voltage (3.0V to 5.5V) |
| Pin 2 | GND β Ground |
| Pin 3 | EN β Enable pin (active high) |
| Pin 4 | VOUT β Regulated output voltage (5.0V) |
| Pin 5 | VOUT_SENSE β Output voltage sense |
| Pin 6 | GND β Ground |
| Pin 7 | NC β No connect |
| Pin 8 | NC β No connect |
| Pin 9 | NC β No connect |
| Pin 10 | NC β No connect |
| Pin 11 | NC β No connect |
| Pin 12 | NC β No connect |
| Pin 13 | NC β No connect |
| Pin 14 | NC β No connect |
| Pin 15 | NC β No connect |
| Pin 16 | NC β No connect |
| Pin 17 | NC β No connect |
| Pin 18 | NC β No connect |
| Pin 19 | NC β No connect |
| Pin 20 | NC β No connect |
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
UCC33020QWRHBRQ1 is suitable for 6 applications: Automotive Traction Inverter Gate Driver Power, Isolated Sensor Interface Power, Battery Management System Auxiliary Power, Isolated Communication Interface Power, High-Voltage Gate Driver Supply, Medical Device Isolated Power.
Automotive Traction Inverter Gate Driver Power
The UCC33020QWRHBRQ1 provides isolated 5V power for IGBT/SiC gate drivers in automotive traction inverters. Its 3kVRMS isolation ensures safe operation in high-voltage environments, while the 1W output power is sufficient for gate driver supply. The compact VQFN-20 package saves board space in power-dense inverter designs. The selectable 5.5V headroom provides margin for gate driver voltage requirements, ensuring reliable switching under all conditions.
Recommended
Isolated Sensor Interface Power
The UCC33020QWRHBRQ1 powers isolated sensor interfaces in automotive and industrial systems. Its 3kVRMS isolation protects low-voltage sensing circuitry from high-voltage transients, while the 1W output power supports multiple sensors. The 5V regulated output is compatible with standard sensor ICs, and the 0.5% load regulation ensures accurate sensor readings. The module's integrated transformer eliminates the need for external magnetics, simplifying design and reducing EMI.
Recommended
Battery Management System Auxiliary Power
The UCC33020QWRHBRQ1 provides isolated auxiliary power for battery management systems (BMS) in EVs and HEVs. Its 3kVRMS isolation ensures safe operation between high-voltage battery packs and low-voltage control electronics. The 1W output power is sufficient for BMS communication interfaces and monitoring circuits. The wide input range (3.0V to 5.5V) allows operation from various battery cell voltages, and the compact package fits space-constrained BMS designs.
Recommended
Isolated Communication Interface Power
The UCC33020QWRHBRQ1 powers isolated communication interfaces such as CAN, RS-485, and SPI isolators. Its 3kVRMS isolation prevents ground loops and noise coupling, ensuring reliable data transmission in industrial and automotive environments. The 5V output is compatible with common transceivers, and the 200mA current capability supports multiple interface channels. The module's integrated transformer reduces component count and PCB area, making it ideal for compact communication modules.
Recommended
High-Voltage Gate Driver Supply
The UCC33020QWRHBRQ1 provides isolated power for high-side gate drivers in applications such as motor drives and power converters. Its 3kVRMS isolation allows safe operation at high voltages, while the 1W output power is sufficient for gate driver ICs. The selectable 5.5V headroom ensures adequate gate drive voltage for SiC and GaN devices. The compact package and integrated transformer simplify layout and reduce parasitic inductance, improving switching performance.
Recommended
Medical Device Isolated Power
The UCC33020QWRHBRQ1 provides isolated power for medical devices requiring patient safety isolation. Its 3kVRMS isolation meets stringent safety standards, while the 1W output power supports low-power medical sensors and monitoring circuits. The 5V regulated output is compatible with medical-grade ICs, and the compact package is suitable for portable devices. The module's high integration reduces design complexity and improves reliability in critical medical applications.
Recommended
Recommended Products Summary
Engineering reference data for UCC33020QWRHBRQ1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | UCC33020QRAQRQ1 | UCC33020Q1 | UCC33020 | ADuM5000 |
|---|---|---|---|---|---|
| Package | VQFN-20 | VQFN-20 | VQFN-20 | VQFN-20 | SOIC-16 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Output Power | 1.0 W | 1.0 W | 1.0 W | 1.0 W | 0.5 W |
| Input Voltage Range | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V |
| Output Voltage | 5.0V (selectable 5.5V) | 5.0V (selectable 5.5V) | 5.0V (selectable 5.5V) | 5.0V (selectable 5.5V) | 5.0V |
| Isolation Rating | 3 kVRMS | 3 kVRMS | 3 kVRMS | 3 kVRMS | 2.5 kVRMS |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | No | No |
| Load Regulation | 0.5% typical | 0.5% typical | 0.5% typical | 0.5% typical | [DATA_NEEDED] |
Key Differentiators
- Integrated transformer technology (vs ADuM5000)
- Higher isolation rating (vs ADuM5000)
- Automotive qualification (vs UCC33020)
Design Notes
Place input and output capacitors close to the VIN and VOUT pins to minimize parasitic inductance and ensure stable operation. Use low-ESR ceramic capacitors with adequate voltage rating. For the VQFN-20 package, ensure proper thermal vias under the exposed pad to enhance heat dissipation, especially in high ambient temperature automotive environments.
The UCC33020QWRHBRQ1 dissipates power internally, and the VQFN-20 package has limited thermal capability. For reliable operation at high ambient temperatures, provide a solid copper ground plane and thermal vias to the PCB backside. Consider derating the output power if the ambient temperature exceeds the recommended operating range.
Do not exceed the input voltage range of 5.5V, as this can damage the device. Ensure the selectable output headroom is set correctly for the downstream load to avoid overvoltage. Also, verify that the isolation rating meets your system's safety requirements, as 3kVRMS may not be sufficient for all high-voltage applications.
Compliance Information
AEC-Q100 qualified per TI product page. RoHS and REACH compliant per TI datasheet.
