TPS54620
- Integrated 26 mΩ and 19 mΩ MOSFETs
- Split Power Rail: 1.6 V to 17 V on PVIN
- 200-kHz to 1.6-MHz Switching Frequency
- Synchronizes to External Clock
- 0.8 V ±1% Voltage Reference Overtemperature
- Low 2-µA Shutdown Quiescent Current
- Monotonic Start-Up into Prebiased Outputs
- –40°C to 150°C Operating Junction Temperature Range
- Adjustable Slow Start and Power Sequencing
- Power Good Output Monitor for Undervoltage and Overvoltage
- Adjustable Input Undervoltage Lockout
- For SWIFT™ Documentation, Visit http://www.ti.com/swift
- Create a Custom Design Using the TPS54620 With the WEBENCH Power Designer
The TPS54620 in thermally enhanced 3.50 mm × 3.50 mm QFN package is a full featured 17-V, 6-A, synchronous, step-down converter which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and by selecting a high switching frequency, reducing the footprint of the inductor.
The output voltage start-up ramp is controlled by the SS/TR pin which allows operation as either a stand-alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open-drain power good pins.
Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit that turns off the low-side MOSFET to prevent excessive reverse current. Thermal shutdown disables the part when die temperature exceeds thermal shutdown temperature.
기술 자료
설계 및 개발
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TPS54620 TINA-TI Transient Reference Design
TPS54620 Unencrypted PSpice Transient Model Package (Rev. B)
TPS54620DESIGN-CALC — TPS54620 and TPS54XXX Current-Mode Step-Down Converter Design Calculator
지원되는 제품 및 하드웨어
제품
AC/DC 및 DC/DC 컨버터(통합 FET)
하드웨어 개발
평가 보드
소프트웨어
계산 툴
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TIDEP0081 — ADC32RF80에 66AK2L06 JESD204B 연결을 사용하여 광대역 리시버 설계 레퍼런스 디자인
TIDA-00254 — DLP® 기술을 사용한 3D 머신 비전 애플리케이션을 위한 정확한 점 클라우드 생성
PMP6776 — Xilinx Kintex FPGA 전원 레퍼런스 디자인
TIDEP0036 — 효율적인 OPUS 코덱 솔루션 구현을 위해 TMS320C6657을 사용한 레퍼런스 설계
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
VQFN (RGY) | 14 | Ultra Librarian |
VQFN (RHL) | 14 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치