TPS40057
- New products available
- Operating input voltage 8 V to 40 V
- Input voltage feedforward compensation
- < 1% internal 0.7-V reference
- Programmable fixed-frequency up to 1-MHz voltage mode controller
- Internal gate-drive outputs for high-side and synchronous N-channel MOSFETs
- 16-pin PowerPAD™ package (RθJC = 2°C/W)
- Thermal shutdown
- Externally synchronizable
- Programmable high-side sense short-circuit protection
- Programmable closed-loop soft start
- TPS40054 source only
- TPS40055 source and sink
- TPS40057 source and sink with VO prebias
The TPS4005x is a family of high-voltage, wide-input (8 V to 40 V), synchronous, step-down controllers. The TPS4005x family offers design flexibility with a variety of user-programmable functions, including soft start, UVLO, operating frequency, voltage feedforward, high-side current limit, and loop compensation.
The TPS4005x uses voltage feedforward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients. Near-constant modulator gain with input variation eases loop compensation. The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation using an internal fault counter for longer duration overloads.
The new products, LM5145 and LM5146, offer reduced BOM cost, higher efficiency, and reduced solution size among many other features. Start a WEBENCH design with LM5145 and LM5146.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | TPS4005x Wide-Input Synchronous Buck Controller datasheet (Rev. J) | PDF | HTML | 2022. 6. 22 | |
| 아날로그 디자인 학술지 | Control-Mode Quick Reference Guide (Rev. B) | PDF | HTML | 2023. 8. 29 | ||
| 애플리케이션 노트 | Wide-Vin Battery-Charger Using SMBus MSP430 MCUs and bq Fuel Gauges (Rev. B) | PDF | HTML | 2019. 7. 12 | ||
| 선택 가이드 | Power Management Guide 2018 (Rev. R) | 2018. 6. 25 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS40055EVM-001 — 12V 버스를 1.8V, 15A로 변환하는 평가 모듈
In many modern electronic applications there is a growing demand for circuits to convert a12-V bus to digital voltages as low as, but not limited to 1.8 V. The current requirements can range from below 1 A to over 15 A. For high-efficiency and small circuit size the TPS40055 wide-input synchronous (...)
TPS40055EVM-002 — 2A에서 5V를 제공하는 광범위 입력 컨버터
The TPS40055EVM−002 wide range input dc-to-dc converter uses the TPS40055 synchronous rectifier controller to step down a 10-V to 40-V input to 5 V. The output current is 3 A with an input of 10 V and should be linearly derated to 2 A at VIN = 40 V. The TPS40055 is used because it offers a variety (...)
TPS40057 FAST STARTUP TINA-TI TRANSIENT REFERENCE DESIGN (Rev. A)
TPS40057 Unencrypted PSpice Transient Model Package (Rev. B)
SLUC263 — Type III Compensation Calculation Tool
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (PWP) | 16 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.