TPS40077
- Operation Over 4.5-V to 28-V Input Range
- Programmable, Fixed-Frequency, up to 1-MHz, Voltage-Mode Controller
- Predictive Gate-Drive Anti-Cross-Conduction Circuitry
- <1% Internal 700-mV Reference
- Internal Gate-Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
- 16-Pin PowerPAD™ Package
- Thermal Shutdown Protection
- Pre-Bias Compatible
- Power-Stage Shutdown Capability
- Programmable High-Side Sense Short-Circuit Protection
The TPS40077 is a mid-voltage, wide-input (4.5-V to 28-V), synchronous, step-down controller, offering design flexibility for a variety of user-programmable functions, including soft start, undervoltage lockout (UVLO), operating frequency, voltage feed-forward, and high-side, FET-sensed, short-circuit protection.
The TPS40077 drives external N-channel MOSFETs using second-generation, predictive-gate drive to minimize conduction in the body diode of the low-side FET and maximize efficiency. Pre-biased outputs are supported by not allowing the low-side FET to turn on until the voltage commanded by the closed-loop soft start is greater than the pre-bias voltage. Voltage feed-forward provides good response to input transients and provides a constant PWM gain over a wide input-voltage operating range to ease compensation requirements. Programmable short-circuit protection provides fault-current limiting and hiccup recovery to minimize power dissipation with a shorted output. The 16-pin PowerPAD package gives good thermal performance and a compact footprint.
기술 자료
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | TPS40077 4.5-V to 28-V Input, Voltage Mode, Synchronous Buck Controller With Voltage Feed Forward datasheet (Rev. E) | PDF | HTML | 2019/06/04 |
User guide | TPS40077 Buck Controller Evaluation Module User's Guide (Rev. B) | PDF | HTML | 2022/01/21 | |
Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 |
설계 및 개발
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TPS40077EVM-001 — TPS40077 12V 입력 지원 평가 모듈. 10A에서 1.8V 출력
The TPS40077EVM-001 evaluation module (EVM) is a synchronous buck converter providing a fixed 1.8 V output at up to 10 A from a 12 V input bus. The EVM is designed to start up from a single supply; no additional bias voltage is required for start-up. The TPS40077 Reduced Pin Count (...)
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
HTSSOP (PWP) | 16 | 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