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LM72630-Q1

ACTIVO

Convertidor buck síncrono CC-CV de 65 V, 3 A y mayor densidad de potencia con I2C

Detalles del producto

Operating temperature range (°C) to
Operating temperature range (°C) to
VQFN (RRX) 29 36 mm² 6 x 6
  • AEC-Q100 qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Synchronous CC-CV buck converter with I2C
    • Wide input voltage range: 4.5V to 70V
      • Meets LV148 / ISO21780 requirements
    • Programmable VOUT from 1V to 24V in 10mV steps or from 3.3V to 24V in 20mV steps
    • Programmable ILIM(avg) from 0.5A to 4.5A
    • Adjustable cable drop compensation (CDC)
    • Analog current monitoring pin (IMON)
  • Compatible with TPS2674X-Q1 USB Type-C power delivery (PD) controllers
  • Designed for low EMI requirements
    • Facilitates CISPR 25 Class 5 compliance
    • ±5% dual-random spread spectrum with programmable modulation frequency
    • Programmable fSW: 200kHz to 2.2MHz
  • Programmable protection features
    • UV/OV (PG) warning: ±5% or ±10%
    • OVP warning, fault: 105% to 136% in 1% steps
    • HICCUP-mode OCP, TSD
  • 6mm × 6mm thermally optimized, RoHS compliant, VQFN-29 package with Pb-free plating
  • Create a custom design using the LM72630-Q1 with the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Synchronous CC-CV buck converter with I2C
    • Wide input voltage range: 4.5V to 70V
      • Meets LV148 / ISO21780 requirements
    • Programmable VOUT from 1V to 24V in 10mV steps or from 3.3V to 24V in 20mV steps
    • Programmable ILIM(avg) from 0.5A to 4.5A
    • Adjustable cable drop compensation (CDC)
    • Analog current monitoring pin (IMON)
  • Compatible with TPS2674X-Q1 USB Type-C power delivery (PD) controllers
  • Designed for low EMI requirements
    • Facilitates CISPR 25 Class 5 compliance
    • ±5% dual-random spread spectrum with programmable modulation frequency
    • Programmable fSW: 200kHz to 2.2MHz
  • Programmable protection features
    • UV/OV (PG) warning: ±5% or ±10%
    • OVP warning, fault: 105% to 136% in 1% steps
    • HICCUP-mode OCP, TSD
  • 6mm × 6mm thermally optimized, RoHS compliant, VQFN-29 package with Pb-free plating
  • Create a custom design using the LM72630-Q1 with the WEBENCH Power Designer

The LM72630-Q1 is a 70V, synchronous buck converter with constant-current constant-voltage (CC-CV) regulation and I2C interface. The device is compatible with USB Type-C PD controllers including the TPS2674X-Q1 family.

The converter uses a peak current-mode control architecture for easy loop compensation, fast transient response, and excellent load and line regulation. The highly accurate CC-CV operation enables seamless transition between constant-current and constant-voltage modes. The I2C interface allows programming of output voltage in 10mV or 20mV steps, average output current limit in 50mA steps, as well as output voltage slew rate, switching frequency, soft-start slew rate, mode of operation, current loop compensation, output active discharge strength, and cable drop compensation gain.

The LM72630-Q1 also contains an array of safety features including undervoltage and overvoltage protection with programmable thresholds, overcurrent protection with programmable hiccup mode, and thermal shutdown.

Additional features of the LM72630-Q1 include programmable diode emulation for lower current consumption at light-load conditions, open-drain nINT flag for fault reporting and output monitoring, precision enable input, monotonic start-up into prebiased load, integrated dual input (VIN and VOUTF) VCC supply regulator, and oversized VDDA regulator for powering external loads, such as companion USB PD controllers.

The LM72630-Q1 converter comes in a 6mm × 6mm thermally-optimized, 29-pin VQFN package. The three die-attach pads (VIN, SW, and PGND) improve thermal performance and board level reliability (BLR).

The LM72630-Q1 converter belongs to a family of synchronous buck converters with constant-current constant-voltage (CC-CV) regulation and I2C interface listed in Related Products.

The LM72630-Q1 is a 70V, synchronous buck converter with constant-current constant-voltage (CC-CV) regulation and I2C interface. The device is compatible with USB Type-C PD controllers including the TPS2674X-Q1 family.

The converter uses a peak current-mode control architecture for easy loop compensation, fast transient response, and excellent load and line regulation. The highly accurate CC-CV operation enables seamless transition between constant-current and constant-voltage modes. The I2C interface allows programming of output voltage in 10mV or 20mV steps, average output current limit in 50mA steps, as well as output voltage slew rate, switching frequency, soft-start slew rate, mode of operation, current loop compensation, output active discharge strength, and cable drop compensation gain.

The LM72630-Q1 also contains an array of safety features including undervoltage and overvoltage protection with programmable thresholds, overcurrent protection with programmable hiccup mode, and thermal shutdown.

Additional features of the LM72630-Q1 include programmable diode emulation for lower current consumption at light-load conditions, open-drain nINT flag for fault reporting and output monitoring, precision enable input, monotonic start-up into prebiased load, integrated dual input (VIN and VOUTF) VCC supply regulator, and oversized VDDA regulator for powering external loads, such as companion USB PD controllers.

The LM72630-Q1 converter comes in a 6mm × 6mm thermally-optimized, 29-pin VQFN package. The three die-attach pads (VIN, SW, and PGND) improve thermal performance and board level reliability (BLR).

The LM72630-Q1 converter belongs to a family of synchronous buck converters with constant-current constant-voltage (CC-CV) regulation and I2C interface listed in Related Products.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet LM72630-Q1 70V, 3A, Automotive, High-Efficiency CC-CV Buck Converter With I2C datasheet PDF | HTML 17 jul 2026
Functional safety information LM726X0-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 26 may 2026
EVM User's guide LM72880-Q1 CC-CV Buck Converter With I2C Evaluation Module (Rev. A) PDF | HTML 27 jun 2025
EVM User's guide LM72650QEVM CC-CV Buck Converter Evaluation Module PDF | HTML 26 jun 2025

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LM72650QEVM — Módulo de evaluación LM72650-Q1

El módulo de evaluación (EVM) LM72650QEVM es un regulador CC/CC buck sincrónico que usa el LM72650. El EVM es capaz de regular la tensión y corriente constantes (CC-CV) con interfaz I2C. El EVM funciona en un amplio rango de tensión de entrada de 24 V a 70 V, y proporciona un máximo de 5 A en modo (...)

Guía del usuario: PDF | HTML
Placa de evaluación

LM72880QEVM-400 — Módulo de evaluación LM72880-Q1

El módulo de evaluación (EVM) LM72880-Q1 es un regulador CC/CC sincrónico tipo buck capaz de regular la tensión constante de corriente constante (CC-CV) con interfaz I2C. El EVM funciona en un amplio rango de tensión de entrada de 24 V a 70 V (en el terminal J4 VIN), y proporciona un máximo de 5 A (...)

Guía del usuario: PDF | HTML
Placa de evaluación

USB2ANY — Adaptador de interfaz USB2ANY

El adaptador de interfaz USB2ANY es una herramienta destinada a permitir que una computadora controle un módulo de evaluación (EVM) a través de una conexión USB. USB2ANY es compatible con varias interfaces de protocolo populares y proporciona fuentes de alimentación de 3.3 V y 5 V.

Guía del usuario: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RRX) 29 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL)/reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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