UCC33020QWRHBRQ1 - 1W Isolated DC/DC Module | TI Automotive
N.º da peça: UCC33020QWRHBRQ1 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 |
UCC33020QWRHBRQ1 Visão geral
A DC/DC power module is a complete power supply solution that integrates the controller, power switches, and often the transformer or inductor into a single package. This integration simplifies design, reduces board space, and improves reliability compared to discrete solutions. In the hierarchy of power management, a DC/DC module is a type of power converter, which falls under power management ICs, ultimately part of the broader semiconductor category. The UCC33020-Q1 specifically targets isolated power delivery, a critical function in systems requiring galvanic isolation for safety or noise immunity.
Key features include 1.0W maximum output power, 3.0V to 5.5V input range, selectable 5.0V or 5.5V output, 0.5% typical load regulation, and 4mV/V typical line regulation. The integrated transformer provides 3kVRMS isolation, eliminating the need for external magnetics. The device is AEC-Q100 qualified for automotive applications, ensuring robust performance across temperature extremes. Its ultra-small package (VQFN-20) and high integration make it suitable for space-limited designs.
Technically, the UCC33020-Q1 uses a proprietary transformer architecture that enables high isolation in a compact footprint. The module includes all necessary control circuitry, reducing external component count. The selectable output headroom allows designers to optimize for either lower power loss (5.0V) or higher voltage margin (5.5V). The device also features robust protection mechanisms, including overcurrent and thermal shutdown, ensuring reliable operation in harsh environments.
Typical applications include isolated power supplies for IGBT/SiC gate drivers in automotive traction inverters, isolated sensor interfaces, and auxiliary power rails in battery management systems. Its 3kVRMS isolation and 1W output make it ideal for powering high-side gate drivers and isolated communication interfaces. The module's small size and integrated transformer are particularly beneficial in electric vehicle (EV) and hybrid electric vehicle (HEV) powertrains where board space is at a premium.
When designing with this device, ensure adequate input and output capacitance to maintain stability and meet transient requirements. The selectable output headroom should be chosen based on the downstream load's voltage tolerance. Also, consider the thermal performance of the VQFN-20 package; while the module is efficient, proper PCB layout with thermal vias is recommended for high ambient temperature operation.
Alternativas drop-in para UCC33020QWRHBRQ1 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
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UCC33020QRAQRQ1
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UCC33020QWRHBRQ1
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$3.1 / unidade
Ver ficha técnica →UCC33020Q1
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UCC33020
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UCC33020QWRHBRQ1 Classificações máximas e características elétricas
| Output Power | 1.0 W |
| Faixa de tensão de entrada | 3.0 V to 5.5 V |
| Tensão de saída | 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 |
| Encapsulamento | VQFN-20 |
| Tipo de montagem | Surface Mount |
| Automotive Qualification | AEC-Q100 |
| Status RoHS | Compliant |
| REACH Status | Compliant |
Configuração de pinos do UCC33020QWRHBRQ1
| Pino 1 | VIN — Input supply voltage (3.0V to 5.5V) |
| Pino 2 | GND — Ground |
| Pino 3 | EN — Enable pin (active high) |
| Pino 4 | VOUT — Regulated output voltage (5.0V) |
| Pino 5 | VOUT_SENSE — Output voltage sense |
| Pino 6 | GND — Ground |
| Pino 7 | NC — No connect |
| Pino 8 | NC — No connect |
| Pino 9 | NC — No connect |
| Pino 10 | NC — No connect |
| Pino 11 | NC — No connect |
| Pino 12 | NC — No connect |
| Pino 13 | NC — No connect |
| Pino 14 | NC — No connect |
| Pino 15 | NC — No connect |
| Pino 16 | NC — No connect |
| Pino 17 | NC — No connect |
| Pino 18 | NC — No connect |
| Pino 19 | NC — No connect |
| Pino 20 | NC — No connect |
Aplicações típicas
UCC33020QWRHBRQ1 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para UCC33020QWRHBRQ1 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Integrated transformer technology (vs ADuM5000)
- Higher isolation rating (vs ADuM5000)
- Automotive qualification (vs UCC33020)
Notas de projeto
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.
Informações de conformidade
AEC-Q100 qualified per TI product page. RoHS and REACH compliant per TI datasheet.
