TPS54618
- Two 12-mΩ (typical) MOSFETs for high efficiency at 6-A loads
- 300-kHz to 2-MHz switching frequency
- 0.8-V ±1% Voltage reference over temperature (–40°C to +150°C)
- Synchronizes to external clock
- Adjustable slow start and sequencing
- UV and OV power-good output
- –40°C to 150°C Operating Junction Temperature Range
- Thermally enhanced 3-mm × 3-mm, 16-pin WQFN package
- Pin-Compatible to TPS54418
- Create a custom design using the TPS54618 with the WEBENCH® Power Designer
The TPS54618 device is a full-featured 6-V, 6-A, synchronous step-down current-mode converter with two integrated MOSFETs.
The TPS54618 enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small, 3-mm × 3-mm, thermally-enhanced WQFN package.
The TPS54618 provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.
Efficiency is maximized through the integrated
12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply
current is reduced to 5.5-µA by entering a shutdown mode.
Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output-voltage start-up ramp is controlled by the slow-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage.
Frequency foldback and thermal shutdown protect the device during an overcurrent condition.
For more SWIFT™ documentation, see the TI website at www.ti.com/swift.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | TPS54618 2.95-V to 6-V, 6-A, Synchronous Step-Down SWIFT Converter datasheet (Rev. F) | PDF | HTML | 2019. 5. 24 | |
| 애플리케이션 노트 | Semiconductor and IC Package Thermal Metrics (Rev. D) | PDF | HTML | 2024. 3. 25 | ||
| 애플리케이션 노트 | Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) | PDF | HTML | 2021. 7. 26 | ||
| 선택 가이드 | Buck Converter Quick Reference Guide (Rev. B) | 2021. 4. 8 | |||
| 애플리케이션 노트 | Calculating Efficiency (Rev. A) | 2020. 3. 6 | |||
| 애플리케이션 노트 | Solve Point-of-Load Power Design Challenges: Single Board Computer Applications | 2018. 8. 24 | |||
| 선택 가이드 | Power Management Guide 2018 (Rev. R) | 2018. 6. 25 | |||
| 애플리케이션 노트 | Understanding Thermal Dissipation and Design of a Heatsink | 2011. 5. 4 | |||
| 애플리케이션 노트 | Designing Type III Compensation for Current Mode Step-Down Converters (Rev. A) | 2010. 9. 15 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS54618EVM-606 — TPS54618 동기 스텝다운 SWIFT™ DC/DC 컨버터용 평가 모듈
TPS54618 Unencrypted PSpice Average Model Package (Rev. A)
TPS54618 Unencrypted PSpice Transient Model Package (Rev. B)
TPS54620DESIGN-CALC — TPS54620 and TPS54XXX Current-Mode Step-Down Converter Design Calculator
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| WQFN (RTE) | 16 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.