Inicio Gestión de la energía Convertidores de CA/CC y CC/CC (FET integrado)
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Gestión de la energía
Convertidores de CA/CC y CC/CC (FET integrado)

LM5012-Q1

ACTIVO

Convertidor CC/CC buck no síncrono de 6 V a 100 V de entrada y 2.5 A para automoción

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LM5012-Q1

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Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 6 Vin (max) (V) 100 Switching frequency (max) (kHz) 1000 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) Vout (min) (V) 1.2 Vout (max) (V) 95 Iq (typ) (µA) 14 Duty cycle (max) (%) 97
Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 6 Vin (max) (V) 100 Switching frequency (max) (kHz) 1000 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) Vout (min) (V) 1.2 Vout (max) (V) 95 Iq (typ) (µA) 14 Duty cycle (max) (%) 97
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • 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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Documentación técnica

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* Data sheet LM5012-Q1 Automotive 100-V Input, 2.5-A Non-Synchronous Buck DC/DC Converter With Ultra-low IQ datasheet PDF | HTML 12 oct 2022
Application note Optimizing Line and Load Regulation in Automotive, 48-V Battery and eBike Apps PDF | HTML 16 mar 2023
Functional safety information LM5012-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 16 sep 2022

Diseño y desarrollo

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Placa de evaluación

LM5013-Q1EVM — Módulo de evaluación LM5013-Q1 de convertidor DC/DC reductor no síncrono con entrada de 100 V y 3.5 

The LM5013-Q1EVM evaluation module (EVM) has a 100-V DC/DC buck regulator that employs asynchronous rectification and achieves high conversion efficiency. The EVM operates over a wide input voltage range of 15-V to 100-V to provide a regulated 12-V output at 300-kHz switching frequency. The module (...)
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