TPS5420
- Wide input voltage range: 5.5V to 36V
- Up to 2A continuous (3A peak) output current
- High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
- Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
- Internal compensation minimizes external parts count
- Fixed 500kHz switching frequency for small filter size
- Improved line regulation and transient response by input voltage feed forward
- System protected by over current limiting, overvoltage protection and thermal shutdown
- –40°C to 125°C operating junction temperature range
- Available in small 8-pin SOIC package
The TPS5420 is a high-output-current PWM converter that integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features is a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5420 feedback loop is internally compensated.
The TPS5420 device is available in an easy to use 8-pin SOIC package. TI provides evaluation modules and the Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | TPS5420 2A, Wide Input Range, Step-Down Converter datasheet (Rev. G) | PDF | HTML | 2026. 4. 21 | |
| 선택 가이드 | Power Management Guide 2018 (Rev. R) | 2018. 6. 25 | |||
| 아날로그 디자인 학술지 | Power-supply design for high-speed ADCs (Rev. A) | 2015. 5. 18 | |||
| 애플리케이션 노트 | Output Ripple Voltage for Buck Switching Regulator (Rev. A) | 2014. 10. 13 | |||
| 애플리케이션 노트 | Using the TPS5430 As An Inverting Buck Boost Converter (Rev. A) | 2007. 8. 15 | |||
| 애플리케이션 노트 | Using TPS5410/20/30/31/50 w/Aluminum/Ceramic Output Capacitors (Rev. C) | 2007. 3. 21 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS5420EVM-175 — 10V~36Vin, 2A 스텝다운 컨버터 평가 모듈
The TPS5420EVM-175 evaluation module allows the designer to evaluate the TPS5420 SWIFT DC/DC converter optimized for small size. The input voltage range of this module is 10 V to 36 V and the output voltage is pre-set to 5 V. The output voltage can be easily adjusted by changing a (...)
TIDEP0002 — PROFIBUS 통신 개발 플랫폼
Targeted for PROFIBUS slave communications, this development platform allows designers to implement PROFIBUS communications standards in a broad range of industrial automation equipment. It enables low foot print designs in applications such as industrial automation, factory automation or (...)
TIDEP0003 — 이더넷/IP 통신 개발 플랫폼
Targeted for Ethernet/IP secondary communications, this development platform allows you to implement Ethernet/IP communication standards in a broad range of industrial automation equipment. It enables low footprint designs in applications such as industrial automation, factory automation or (...)
TIDEP0008 — PROFINET 통신 개발 플랫폼
Targeted for PROFINET secondary communications, this reference design helps you implement PROFINET communications standards in a broad range of industrial automation equipment. It enables low-footprint designs in applications such as industrial automation, factory automation or (...)
TIDEP0043 — Acontis EtherCAT 마스터 스택 레퍼런스 디자인
The acontis EC-Master EtherCAT Master stack is a highly portable software stack that can be used on various embedded platforms. The EC-Master supports the high performance TI Sitara MPUs, it provides a sophisticated EtherCAT Master solution which customers can use to implement EtherCAT (...)
TIDEP0054 — 변전소 자동화를 위한 병렬 중복 프로토콜(PRP) 이더넷 레퍼런스 설계
이 레퍼런스 설계는 스마트 그리드 전송 및 배전 네트워크의 변전소 자동화 장비에 안정성이 높고 지연 시간이 낮은 네트워크 통신을 위한 레퍼런스 설계입니다. PRU-ICSS를 사용해 IEC 62439 표준의 PRP(병렬 중복 프로토콜) 사양을 지원합니다. 이 레퍼런스 설계는 FPGA 접근 방식에 대한 저렴한 대안이며, 추가 부품 없이 IEC 61850 지원과 같은 기능을 추가할 수 있는 유연성과 성능을 제공합니다.
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.