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LM65460-Q1

PRESENTACIÓN PRELIMINAR

Automotive, 36V 6A synchronous buck converter with reduced output capacitors

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LM65460-Q1

PRESENTACIÓN PRELIMINAR
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Detalles del producto

Rating Automotive Topology Buck Iout (max) (A) 6 Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 35 Vout (min) (V) 0.8 Features Auto Mode, Enable, Fixed soft start, Forced PWM, Frequency synchronization, Light-load efficiency, Overcurrent protection, Stackable, Synchronous rectification, UVLO fixed, Wettable flanks package EMI & noise features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000003 Duty cycle (max) (%) 99 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 6 Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 35 Vout (min) (V) 0.8 Features Auto Mode, Enable, Fixed soft start, Forced PWM, Frequency synchronization, Light-load efficiency, Overcurrent protection, Stackable, Synchronous rectification, UVLO fixed, Wettable flanks package EMI & noise features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000003 Duty cycle (max) (%) 99 TI functional safety category Functional Safety-Capable
WQFN-FCRLF (RZT) 20 9.36 mm² (3.6 mm × 2.6 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide input voltage range: 3V to 36V
  • Mitigated interference and noise technology – architecture 1 (MINT 1)
    • Facilitates CISPR 25 class 5 compliance
    • ±5% dual-random spread spectrum
    • Enhanced HotRod™ QFN package with symmetrical pinout
  • Low minimum on time: 40ns (maximum)
  • Switching frequency from 300kHz to 2.2MHz
  • Pin-configurable 400kHz and 2.1MHz
  • Pin-configurable AUTO or FPWM operation
  • Dual phase capable up to 16A for high current designs
  • Pin-pin with the 65V LM656x5-Q1 family
  • High-efficiency power conversion at all loads
    • > 94.65% peak efficiency at 12VIN, 5VOUT, 400kHz
    • 3.0µA PFM no-load input current
  • High power density
    • Internal compensation, current limit, and TSD
    • 3.6mm × 2.6mm, wettable flank, 20-pin package
    • ϴJA = 24.0°C/W (LM654x0-Q1EVM)
  • Create a custom design using the LM654x0-Q1 with the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide input voltage range: 3V to 36V
  • Mitigated interference and noise technology – architecture 1 (MINT 1)
    • Facilitates CISPR 25 class 5 compliance
    • ±5% dual-random spread spectrum
    • Enhanced HotRod™ QFN package with symmetrical pinout
  • Low minimum on time: 40ns (maximum)
  • Switching frequency from 300kHz to 2.2MHz
  • Pin-configurable 400kHz and 2.1MHz
  • Pin-configurable AUTO or FPWM operation
  • Dual phase capable up to 16A for high current designs
  • Pin-pin with the 65V LM656x5-Q1 family
  • High-efficiency power conversion at all loads
    • > 94.65% peak efficiency at 12VIN, 5VOUT, 400kHz
    • 3.0µA PFM no-load input current
  • High power density
    • Internal compensation, current limit, and TSD
    • 3.6mm × 2.6mm, wettable flank, 20-pin package
    • ϴJA = 24.0°C/W (LM654x0-Q1EVM)
  • Create a custom design using the LM654x0-Q1 with the WEBENCH Power Designer

The LM654x0-Q1 are a family of automotive buck converters designed for high-efficiency, high-power density, and ultra-low electromagnetic interference (EMI) with mitigated interference and noise technology (MINT 1) switcher technology. The converters operate over a wide input voltage range of 3V to 36V (42V tolerant) The LM654x0-Q1 is dual phase capable by simply connecting the compensated error signal between the primary and secondary device. The LM654x0-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 LM654x0-Q1 are a family of automotive buck converters designed for high-efficiency, high-power density, and ultra-low electromagnetic interference (EMI) with mitigated interference and noise technology (MINT 1) switcher technology. The converters operate over a wide input voltage range of 3V to 36V (42V tolerant) The LM654x0-Q1 is dual phase capable by simply connecting the compensated error signal between the primary and secondary device. The LM654x0-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.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LM654x0-Q1 High-Performance, Stackable Power Converter, 3V to 36V , Pin-Compatible 4A, 6A, 8A, Automotive , Low EMI With Mitigated Interference and Noise Technology (MINT) Synchronous Buck Converters datasheet (Rev. A) PDF | HTML 26/08/2026
Información sobre seguridad funcional LM654x0 and LM654x0-Q1-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 26/08/2026

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Placa de evaluación

LM65460EVM — Placa de evaluación LM65460-Q1

El módulo de evaluación (EVM) LM65460EVM de Texas Instruments ayuda a los diseñadores a evaluar el funcionamiento y el rendimiento de la familia LM654x0-Q1 de convertidores buck de tensión de entrada amplia. La familia LM654x0-Q1 son módulos reductores sincrónicos fáciles de usar, capaces de (...)

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