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AC/DC 및 DC/DC 컨버터(통합 FET)
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전원 관리
AC/DC 및 DC/DC 컨버터(통합 FET)
신규

LM68645-Q1

미리 보기

안전 관련 애플리케이션에 최적화된 차량용 65V, 4.5A 저 EMI 동기 컨버터

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데이터 시트

LM68645-Q1

미리 보기
데이터 시트 지금 주문

제품 상세 정보

Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Compliant Topology Buck Type Converter Iout (max) (A) 4.5 Vin (min) (V) 3 Vin (max) (V) 65 Switching frequency (min) (kHz) 360 Switching frequency (max) (kHz) 2420 Features Adjustable switching frequency, Enable, Frequency synchronization, Low Noise, Overcurrent protection, Power good, Spread Spectrum, Thermal shutdown Vout (min) (V) 0.8 Vout (max) (V) 40 Duty cycle (max) (%) 98
Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Compliant Topology Buck Type Converter Iout (max) (A) 4.5 Vin (min) (V) 3 Vin (max) (V) 65 Switching frequency (min) (kHz) 360 Switching frequency (max) (kHz) 2420 Features Adjustable switching frequency, Enable, Frequency synchronization, Low Noise, Overcurrent protection, Power good, Spread Spectrum, Thermal shutdown Vout (min) (V) 0.8 Vout (max) (V) 40 Duty cycle (max) (%) 98
WQFN-FCRLF (RZT) 20 9.36 mm² 2.6 x 3.6
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation to aid with ISO26262 compliant designs planned
    • Systematic capability up to ASIL-D
    • Hardware capability up to ASIL-C
    • Analog built-in-self-test at start-up
    • Redundant and fast (0.35µs) VOUT monitor
    • Feedback path failure detection
    • Redundant temperature sensor
    • Excellent pin FMEA and pin spacing
  • Wide input voltage range: 3V to 70V
  • Designed for low EMI requirements
    • Facilitates CISPR 25 class 5 compliance
    • ±5% dual-random spread spectrum
    • Enhanced HotRod™ QFN package with symmetrical pinout
    • Switching frequency from 300kHz to 2.2MHz
    • Pin-configurable 400kHz and 2.2MHz
    • Pin-configurable AUTO or FPWM operation
  • Low minimum on time: 40ns (maximum)
    • Enables 36V to 3.3V conversion at 2.2MHz
  • High-efficiency power conversion at all loads
    • > 94% peak efficiency at 24VIN, 5VOUT, 400kHz
    • 2.5µA PFM no-load input current
  • High power density
    • Internal compensation, current limit, and TSD
    • 3.6mm × 2.6mm, wettable flank, 20-pin package
    • Pin compatible with LM656x5-Q1
    • ϴJA = 25.5°C/W (LM65645-Q1EVM)
  • Create a custom design using the with the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation to aid with ISO26262 compliant designs planned
    • Systematic capability up to ASIL-D
    • Hardware capability up to ASIL-C
    • Analog built-in-self-test at start-up
    • Redundant and fast (0.35µs) VOUT monitor
    • Feedback path failure detection
    • Redundant temperature sensor
    • Excellent pin FMEA and pin spacing
  • Wide input voltage range: 3V to 70V
  • Designed for low EMI requirements
    • Facilitates CISPR 25 class 5 compliance
    • ±5% dual-random spread spectrum
    • Enhanced HotRod™ QFN package with symmetrical pinout
    • Switching frequency from 300kHz to 2.2MHz
    • Pin-configurable 400kHz and 2.2MHz
    • Pin-configurable AUTO or FPWM operation
  • Low minimum on time: 40ns (maximum)
    • Enables 36V to 3.3V conversion at 2.2MHz
  • High-efficiency power conversion at all loads
    • > 94% peak efficiency at 24VIN, 5VOUT, 400kHz
    • 2.5µA PFM no-load input current
  • High power density
    • Internal compensation, current limit, and TSD
    • 3.6mm × 2.6mm, wettable flank, 20-pin package
    • Pin compatible with LM656x5-Q1
    • ϴJA = 25.5°C/W (LM65645-Q1EVM)
  • Create a custom design using the with the WEBENCH Power Designer

The LM686x5-Q1 are a family of automotive buck converters designed for high efficiency, high power density, and ultra-low electromagnetic interference (EMI). The converters operate over a wide input voltage range of 3V to 70V (75V tolerant) reducing the need for external input surge protection. The LM686x5-Q1 comes with pin selectable fixed output voltages of 3.3V and 5V or in adjustable configuration. The low EMI operation is enabled with minimized loop inductance and optimized switch node slew rate. The current-mode control architecture with a 30ns typical minimum on-time allows high conversion ratios at high frequencies coupled with a fast transient response and excellent load and line regulation.

The LM686x5-Q1 buck converters are specifically intended for functional safety relevant applications. An array of safety features including ABIST at start-up, redundant and fast VOUT monitoring, feedback path failure detection, redundant temperature sensor, thermal shutdown, and current limiting significantly reduce the residual failure-in-time (FIT).

The LM686x5-Q1 are a family of automotive buck converters designed for high efficiency, high power density, and ultra-low electromagnetic interference (EMI). The converters operate over a wide input voltage range of 3V to 70V (75V tolerant) reducing the need for external input surge protection. The LM686x5-Q1 comes with pin selectable fixed output voltages of 3.3V and 5V or in adjustable configuration. The low EMI operation is enabled with minimized loop inductance and optimized switch node slew rate. The current-mode control architecture with a 30ns typical minimum on-time allows high conversion ratios at high frequencies coupled with a fast transient response and excellent load and line regulation.

The LM686x5-Q1 buck converters are specifically intended for functional safety relevant applications. An array of safety features including ABIST at start-up, redundant and fast VOUT monitoring, feedback path failure detection, redundant temperature sensor, thermal shutdown, and current limiting significantly reduce the residual failure-in-time (FIT).
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추가 정보 요청

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기술 자료

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3개 모두 보기
유형 직함 날짜
* Data sheet LM686x5-Q1 High Performance, Functional Safety Power Converter, 3V to 70V , Pin-Compatible, 2.5A/3.5A/4.5A, Automotive , Low EMI, Synchronous Buck Converter datasheet PDF | HTML 2024/10/21
EVM User's guide LM68645-Q1 Evaluation Module User's Guide PDF | HTML 2024/10/21
Certificate LM68645EVM EU Declaration of Conformity (DoC) 2024/10/04

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

LM68645EVM — LM68645-Q1 평가 모듈

LM68645-Q1 평가 모듈(EVM)은 설계자가 LM68645넓은 입력 전압 벅 컨버터 제품군의 작동과 성능을 평가하는 데 도움이 됩니다. LM68645EVM은 4.5A 이하가 필요한 부하에 5V 출력을 제공하도록 구성됩니다. LM68645EVM은 다른 LM686x5로 대체하고 보드 부품을 다시 구성하여 다양한 구성에서 사용할 수 있습니다.

사용 설명서: PDF | HTML
드라이버 또는 라이브러리

LM68645-Q1-FS — Functional safety documentation and full datasheet for LM68645-Q1

LM68645-Q1 functional safety documentation and full datasheet
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지원되는 제품 및 하드웨어

제품
AC/DC 및 DC/DC 컨버터(통합 FET)
LM68645-Q1 — 안전 관련 애플리케이션에 최적화된 차량용 65V, 4.5A 저 EMI 동기 컨버터
요청
alarm알림
패키지 핀 CAD 기호, 풋프린트 및 3D 모델
WQFN-FCRLF (RZT) 20 Ultra Librarian
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주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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