전력 관리 DC/DC 스위칭 레귤레이터 DC/DC 컨버터

LM5012-Q1

활성

오토모티브, 6V~100V 입력, 2.5A 비동기 벅 DC/DC 컨버터

제품 상세 정보

Rating Automotive Topology Buck Iout (max) (A) 2.5 Vin (max) (V) 100 Vin (min) (V) 6 Vout (max) (V) 95 Vout (min) (V) 1.2 Switch current limit (typ) (A) 2.5 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, UVLO adjustable Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000014 Duty cycle (max) (%) 97 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 2.5 Vin (max) (V) 100 Vin (min) (V) 6 Vout (max) (V) 95 Vout (min) (V) 1.2 Switch current limit (typ) (A) 2.5 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, UVLO adjustable Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000014 Duty cycle (max) (%) 97 TI functional safety category Functional Safety-Capable
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm)
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C, ambient temperature range
  • Functional Safety-Capable
  • Designed for reliable and rugged applications
    • Wide input voltage range of 6 V to 100 V
    • –40°C to +150°C junction temperature range
    • Fixed 3.5-ms internal soft-start timer
    • Peak current-limit protection
    • Input UVLO and thermal shutdown protection
  • Optimized for ultra-low EMI requirements
    • Meets CISPR 25 Class 5 standard
  • Suited for scalable automotive power supplies
    • Pin-to-pin compatible with the LM5163-Q1 LM5164-Q1 (100 V, 0.5 A or 1 A), and LM5013-Q1 (100 V, 3.5 A)
    • 50-ns low minimum on times and off times
    • 10-µA no-load sleep current
    • 3.1-µA shutdown quiescent current
  • Integration reduces solution size and cost
    • COT mode control architecture
    • Integrated 100-V, 0.25-Ω power MOSFET
    • 1.2-V internal voltage reference
    • No loop compensation components
    • Internal VCC bias regulator and boot diode
  • Create a custom regulator design with the LM5013-Q1 using WEBENCH Power Designer
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C, ambient temperature range
  • Functional Safety-Capable
  • Designed for reliable and rugged applications
    • Wide input voltage range of 6 V to 100 V
    • –40°C to +150°C junction temperature range
    • Fixed 3.5-ms internal soft-start timer
    • Peak current-limit protection
    • Input UVLO and thermal shutdown protection
  • Optimized for ultra-low EMI requirements
    • Meets CISPR 25 Class 5 standard
  • Suited for scalable automotive power supplies
    • Pin-to-pin compatible with the LM5163-Q1 LM5164-Q1 (100 V, 0.5 A or 1 A), and LM5013-Q1 (100 V, 3.5 A)
    • 50-ns low minimum on times and off times
    • 10-µA no-load sleep current
    • 3.1-µA shutdown quiescent current
  • Integration reduces solution size and cost
    • COT mode control architecture
    • Integrated 100-V, 0.25-Ω power MOSFET
    • 1.2-V internal voltage reference
    • No loop compensation components
    • Internal VCC bias regulator and boot diode
  • Create a custom regulator design with the LM5013-Q1 using WEBENCH Power Designer

With an integrated high-side power MOSFET, the LM5012-Q1 delivers up to 2.5 A of output current. A constant on-time (COT) control architecture provides nearly constant switching frequency with excellent load and line transient response. Additional features of the LM5012-Q1 include ultra-low IQ operation for high light-load efficiency, innovative peak overcurrent protection, integrated VCC bias supply and bootstrap diode, precision enable and input UVLO, and thermal shutdown protection with automatic recovery. An open-drain PGOOD indicator provides sequencing, fault reporting, and output voltage monitoring.

The LM5012-Q1 2.5 A is qualified to automotive AEC-Q100 grade 1 and is available in a 8-pin SO PowerPAD™ integrated circuit package. The device 1.27-mm pin pitch provides adequate spacing for high-voltage applications.

With an integrated high-side power MOSFET, the LM5012-Q1 delivers up to 2.5 A of output current. A constant on-time (COT) control architecture provides nearly constant switching frequency with excellent load and line transient response. Additional features of the LM5012-Q1 include ultra-low IQ operation for high light-load efficiency, innovative peak overcurrent protection, integrated VCC bias supply and bootstrap diode, precision enable and input UVLO, and thermal shutdown protection with automatic recovery. An open-drain PGOOD indicator provides sequencing, fault reporting, and output voltage monitoring.

The LM5012-Q1 2.5 A is qualified to automotive AEC-Q100 grade 1 and is available in a 8-pin SO PowerPAD™ integrated circuit package. The device 1.27-mm pin pitch provides adequate spacing for high-voltage applications.

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기술 자료

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* 데이터 시트 LM5012-Q1 Automotive 100-V Input, 2.5-A Non-Synchronous Buck DC/DC Converter With Ultra-low IQ datasheet PDF | HTML 2022. 10. 12
애플리케이션 노트 Optimizing Line and Load Regulation in Automotive, 48-V Battery and eBike Apps PDF | HTML 2023. 3. 16
기능 안전 정보 LM5012-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2022. 9. 16

설계 및 개발

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평가 보드

LM5013-Q1EVM — LM5013-Q1 평가 모듈 100V 입력, 3.5A 비동기형 벅 DC/DC 컨버터

LM5013-Q1EVM 평가 모듈(EVM)에는 비동기 정류를 사용하고 높은 변환 효율을 달성하는 100V DC/DC 벅 레귤레이터가 있습니다. EVM은 15V~100V의 넓은 입력 전압 범위에서 작동하여 300kHz 스위칭 주파수에서 조정된 12V 출력을 제공합니다. 이 모듈 설계는 넓은 입력 전압(넓은 VIN) 범위, 넓은 듀티 사이클 범위, 통합 고압측 전력 MOSFET, 사이클 단위 과전류 보호 및 정밀 활성화를 지원하는 LM5013-Q1 비동기 벅 컨버터를 사용합니다. AEC-Q100 등급 1 오토모티브 인증을 획득한 (...)
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