LM5127-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C, TA
- Functional Safety-Capable
- Suited for various architectures and scalable
- Triple-output synchronous controllers
- Flexible topology
- CH1: boost / buck topology
- CH2, CH3: two single phase bucks / dual-phase interleaved buck topology
- Enable pin and PGOOD indicator per channel
- Optional low IQ battery monitor
- Wide operating range for automotive applications
- 3.8-V to 42-V input operating range
- Minimum boost input 0.8 V when BIAS ≥ 3.8 V
- Boost output: adjustable up to 42 V
- Buck output: fixed 3.3 V, 5 V, or adj. 0.8 - 42 V
- Bypass operation when VSUPPLY>VLOAD (boost)
- LDO operation when VSUPPLY ≈ VLOAD (buck)
- Minimized battery drain
- Shutdown current ≤ 2.8 µA
- Automatic transition to low-IQ sleep mode
- Battery drain in sleep
- IQ≤ 14 µA when 3.3-V buck on
- IQ≤ 22 µA when 3.3-V and 5-V bucks on
- IQ≤ 32 µA when 3.3-V, 5-V bucks on and boost in bypass
- High efficiency using strong 5-V drivers
- Dual input VCC and VDD regulators
- Small and cost-effective solution
- Maximum switching frequency 2.2 MHz
- Internal boot diode (boost)
- Constant peak current limit
- Supports DCR inductor current sensing
- QFN-48 with wettable flanks
- Avoid AM band interference and crosstalk
- Optional clock synchronization
- Switching frequency from 100 kHz to 2.2 MHz
- Selectable switching mode (FPWM, diode emulation, and skip mode)
- EMI mitigation
- Optional programmable spread spectrum
- Programmability and flexibility
- Programmable wake-up and sleep threshold
- Dynamic switching frequency programming
- Adjustable soft start time
- Adjustable output using 0.8 V ±1% reference
- Adaptive dead-time control
- Integrated protection features
- Overcurrent protection
- Cycle-by-cycle peak current limit
- Optional hiccup mode protection (buck)
- Optional latch-off mode protection (buck)
- Overvoltage protection
- HB-SW short protection (boost)
- Thermal shutdown
- Overcurrent protection
The LM5127-Q1 is a full featured, wide input range three channel DC/DC controller which supports flexible topology (Boost/Buck) with peak current mode control. The device is designed as an integrated one-chip solution for the front-stage power supply in automotive infotainment, cluster, body control as well as ADAS systems. (continue on next page)
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 날짜 |
|---|---|---|---|---|
| * | Data sheet | LM5127-Q1 2.2-MHz Wide VIN Automotive Front-stage Multi-rail DC/DC datasheet (Rev. A) | PDF | HTML | 2020/12/17 |
| Functional safety information | LM5127-Q1 Functional Safety, FIT Rate and Failure Mode Distribution | PDF | HTML | 2020/12/11 | |
| Certificate | LM5127EVM-FLEX EU RoHS Declaration of Conformity (DoC) (Rev. A) | 2020/11/25 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
LM5127EVM-FLEX — LM5127 유연한 토폴로지 평가 모듈
PMP23194 — 메인 프로세서 및 카메라용 전원을 포함한 자동차 ADAS를 위한 3출력 레퍼런스 설계
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| VQFN (RGZ) | 48 | 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
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.