TPS51362RVER


22V 10A sync buck, D-CAP2, 800kHz, 100µA ULQ standby, 0.6-2.0Vout, VQFN-CLIP 28-pin 4.5x3.5mm, -10~85°C

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Pieza del fabricante:

TPS51362RVER

Paquete:

VQFN-CLIP-28 (RVE) (4,5 x 3,5 x 1,0 mm, paso de 0,4 mm)

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Descripción

El TPS51362RVER de Texas Instruments es un convertidor reductor síncrono de 10 A y entrada de 3 V a 22 V con MOSFET integrados en un encapsulado VQFN-CLIP de 28 patillas (4,5×3,5 mm, paso de 0,4 mm). Utiliza la topología de control D-CAP2 de TI para un funcionamiento sin compensación con condensadores de salida POSCAP o totalmente MLCC, una frecuencia de conmutación fija de 800 kHz y un modo ULQ que consume sólo 100 µA en modo de espera de bajo consumo. La tensión de salida es programable de 0,6 V a 2,0 V mediante pin-strapping (1,05/1,2/1,35/1,5 V fijos) o divisor de resistencias. Entre sus características se incluyen el arranque suave programable, el buen estado de la alimentación, la descarga de salida y la protección OCL/OVP/UVP/UVLO/apagado térmico. Dirigido a carriles DDR VDDQ/VCCIO y convertidores POL en portátiles y sistemas integrados.

El TPS51362RVER es un convertidor buck síncrono FET integrado de 10 A de Texas Instruments, diseñado para aplicaciones de punto de carga (POL) en ordenadores portátiles y sistemas embebidos. Funciona con una entrada de 3 V a 22 V y produce una salida ajustable de 0,6 V a 2,0 V, que cubre los raíles VDDQ (1,35 V), VCCIO (1,05 V, 1,2 V) y los raíles lógicos del núcleo de la memoria DDR.

La topología de control D-CAP2 es el elemento diferenciador clave. A diferencia del control tradicional en modo de corriente o de tensión, el D-CAP2 utiliza un control adaptativo del tiempo de conexión con inyección interna de ondulación, lo que elimina la necesidad de componentes de compensación de tipo II/III. Esto simplifica el diseño y admite configuraciones de condensadores de salida POSCAP y MLCC sin problemas de estabilidad. Esto simplifica el diseño y admite configuraciones de condensadores de salida POSCAP y MLCC sin problemas de estabilidad, una ventaja fundamental en diseños compactos en los que se prefieren los MLCC por su altura y fiabilidad.

El modo ULQ (Ultra-Low Quiescent) reduce la corriente de polarización a 100 µA cuando la patilla LP# se pone a nivel bajo, lo que permite una larga duración de la batería durante el modo de espera del sistema. Se trata de una mejora significativa con respecto a los modos de salto automático estándar, que suelen consumir entre 500 µA y 1 mA. En el modo PWM normal, el dispositivo funciona a una frecuencia fija de 800 kHz, equilibrando la eficiencia y el tamaño del inductor.

La tensión de salida puede ajustarse mediante la fijación de las patillas REFIN y REFIN2 (opciones fijas de 1,05 V, 1,2 V, 1,35 V y 1,5 V) sin resistencias externas, o mediante un divisor de resistencias desde la patilla VREF de 2,0 V para cualquier tensión de 0,6 V a 2,0 V. Esta flexibilidad admite múltiples generaciones DDR y tensiones de carril con una única lista de materiales.

El interruptor MOSFET de arranque integrado elimina la necesidad de un diodo de arranque externo. La detección RDS(on) del MOSFET de lado bajo proporciona protección contra sobrecorriente compensada por temperatura sin necesidad de una resistencia de detección externa. El encapsulado VQFN-CLIP-28 ocupa un espacio compacto de 15,75 mm² con una almohadilla térmica expuesta para una disipación eficaz del calor.

**Control D-CAP2:** El TPS51362 utiliza el control D-CAP2 (Direct Capacitor-Area-Free 2nd generation) de TI, que combina la modulación adaptativa del tiempo de conexión con la inyección interna de ondulación. El amplificador de error compara FB con una referencia interna; el generador de tiempo de conexión produce un impulso de duración fija (proporcional a VIN/VOUT) en cada ciclo de conmutación. La inyección de ondulación interna en FB emula la ondulación de la corriente del inductor, proporcionando la información necesaria para un funcionamiento estable sin compensación externa. Esta topología es inherentemente estable con cualquier tipo de condensador de salida (POSCAP, MLCC o mixto) siempre que la ESR esté por encima de un umbral mínimo.

**Modo ULQ:** Cuando LP# se pone a nivel bajo, el dispositivo entra en modo de reposo ultrabajo. El controlador reduce las corrientes de polarización internas y cambia a un modo de omisión de impulsos en el que la frecuencia de conmutación varía con la carga. Con carga cero, sólo se consumen 100 µA de la alimentación de entrada. La precisión de la regulación de la tensión de salida se degrada ligeramente en el modo ULQ, pero se mantiene dentro de los límites de las especificaciones DDR.

**Etapa de alimentación:** Los MOSFET integrados de lado alto y bajo están optimizados para un funcionamiento de bajo ciclo de trabajo (3-5 V de salida a partir de 12-19 V de entrada). El RDS(on) del lado bajo también se utiliza para la detección de corriente: la tensión a través del FET del lado bajo durante el tiempo de desconexión se mide y se compensa con la temperatura para establecer el umbral de límite de sobrecorriente, eliminando una resistencia de detección externa.

**El interruptor de arranque integrado carga el condensador de arranque desde VDD a través de un MOSFET interno (no un diodo), reduciendo la caída de tensión de arranque y permitiendo el arranque en salidas pre polarizadas sin descargar primero la carga.

Pin Nombre Tipo Descripción
1 VDD P Salida LDO interna de 5 V y bypass de alimentación interno; conectar cerámica de 1µF a GND; no cargar externamente.
2 ES I Habilitar; pull alto para habilitar; tiene pull-up interno; pull por debajo de 0.4V para deshabilitar; umbral UVLO ~4.5V en VIN
3 LP# I Control de modo de bajo consumo; pull bajo para modo ULQ (100µA Iq); pull alto para PWM normal/auto-skip; tiene pull-up interno
4 PGOOD O Salida power-good de drenaje abierto; se activa cuando FB está dentro de ±10% del objetivo; conecte una resistencia pull-up externa a la alimentación lógica.
5 VFB I Entrada de realimentación de tensión; conectar al punto medio del divisor de tensión de salida o conectar a VREF para tensión fija sin resistencia; referencia 0,6V
6 VREF O Salida de referencia de 2,0 V; capacidad de fuente de 300 µA; derivación con 0,1 µF a GND; uso para ajuste de tensión de salida del divisor de resistencias
7 REFIN I Selección de voltaje de salida pin 1; flotante o ligado a GND durante el arranque para seleccionar voltaje fijo (ver tabla verdadero-falso); determina 1.05/1.2/1.5/1.35V
8 REFIN2 I Clavija de selección de tensión de salida 2; misma función que REFIN; ambas clavijas se muestrean al arrancar; se bloquean hasta el siguiente ciclo de alimentación.
9 SS E/S Programación de arranque suave; conecte el condensador a GND; corriente de carga de 5µA; un condensador más grande = arranque más lento; déjelo flotante por defecto 1ms
10 MODO I Selección del modo de funcionamiento; controla el comportamiento de auto-skip frente a PWM forzado; vinculado a GND o flotante según la recomendación de la hoja de datos.
11-18 GND G Toma de tierra de señal y alimentación; se conecta al plano de tierra de la placa de circuito impreso y a la almohadilla térmica expuesta; fundamental para el rendimiento térmico y eléctrico.
19 SW O Nodo de conmutación; conectar a inductor de salida; dv/dt alto; mantener cobre corto para reducir EMI; abs máx -1,5V a 24V
20 BOOT E/S Condensador de arranque; conectar cerámica de 0,1µF de BOOT a SW; el interruptor de arranque interno se carga desde VDD
21 VIN P Alimentación de entrada principal (3-22 V); conecte condensadores de derivación de entrada (cerámicos de 10 µF + a granel) cerca de la patilla; el desacoplamiento de alta frecuencia es crítico.
22-28 VIN/GND P/G Pines VIN y GND adicionales para la distribución de energía y el alivio térmico; siga las directrices de diseño de PCB según la hoja de datos.
Aplicación Descripción
Alimentación DDR VDDQ para portátiles Genera VDDQ de 1,35 V para DDR3L a partir de un riel de sistema de 5 V o 12 V; 10 A para configuraciones de 2 módulos DIMM; el pin REFIN/REFIN2 fija 1,35 V sin resistencias; el modo ULQ mantiene la regulación en espera a 100 µA Iq para el estado de reposo S3; D-CAP2 estable con salida sólo MLCC.
SoC integrado Core Rail Alimentación del núcleo de 0,8-1,2 V desde el carril intermedio de 5 V o 12 V; 10 A para SoC y FPGA de gama media; el divisor de resistencias desde VREF establece el voltaje preciso; el arranque suave controla la irrupción; PGOOD controla la lógica de reinicio.
Alimentación de la controladora SSD Convierte 5 V o 12 V a 1,2 V en el núcleo y 1,8 V en los raíles de E/S; el tamaño compacto VQFN-CLIP se adapta al factor de forma de las SSD M.2; D-CAP2 elimina los componentes de compensación, lo que reduce la lista de materiales; 100 µA ULQ prolongan la duración de la batería del portátil en reposo.
Modelo Fabricante Compatibilidad Diferencia clave
TPS51363RVER TI Actualización compatible con clavijas Mismo VQFN-CLIP-28; salida de 12 A (frente a 10 A); mismo control D-CAP2; mayor capacidad de corriente para plataformas de nueva generación.
TPS51362ARVER TI Compatible con clavijas, más nuevo Versión A con prestaciones mejoradas en cuanto a fluctuación de fase y EMI; misma distribución de patillas y especificaciones eléctricas; recomendada para nuevos diseños.
ISL95813HRTZ Renesas Equivalente funcional Entrada 5-25V; 10A; modulación R3 tipo D-CAP; QFN-28 (5x6mm, mayor); características similares; uso como segunda fuente
MP8867GN-Z MPS Alternativa competitiva 4,5-22V entrada; 8A; 800kHz; QFN-20 (3x4mm, más pequeño); menor corriente pero menor encapsulado; uso para diseños sub-10A con limitaciones de espacio.
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Garantía de calidad

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

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    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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