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SP3232EEY-L

RS-232 2Tx/2Rx, 3,0-5,5V, 120kbps, bomba de carga 4x0,1µF, ±15kV ESD HBM, TSSOP-16, -40~85°C

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Pieza del fabricante：

SP3232EEY-L

Paquete：

TSSOP-16 (5,0 x 6,4 x 1,1 mm, paso de 0,65 mm)

Marca：
Categorías de productos：
Compromiso de calidad
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Manual del producto
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Descripción

El SP3232EEY-L de MaxLinear (anteriormente Sipex) es un transceptor RS-232 de 2 excitadores/2 receptores que funciona con una única alimentación de +3,0 V a +5,5 V. Incorpora una bomba de carga integrada de alta eficiencia que sólo requiere cuatro condensadores externos de 0,1 µF, cumple la norma EIA/TIA-232-F, ofrece una velocidad mínima de datos de 120 kbps y protección ESD mejorada (±15 kV HBM, ±8 kV IEC 61000-4-2 descarga de contacto). El sufijo -L indica que el encapsulado TSSOP-16 tiene una temperatura nominal de -40°C a +85°C. La corriente de alimentación típica es de 0,3 mA en vacío. Las aplicaciones incluyen ordenadores portátiles, controladores industriales e interfaces RS-232 integradas.

El SP3232EEY-L es un verdadero transceptor RS-232 de la serie SP3232E de MaxLinear, que proporciona 2 controladores y 2 receptores en un único encapsulado TSSOP-16. Está diseñado para aplicaciones portátiles que requieren comunicación RS-232 a partir de fuentes lógicas de 3,3 V o 5 V.

La bomba de carga integrada duplica e invierte la tensión de alimentación para generar los niveles de salida RS-232 de ±5,4 V (típicos) exigidos por EIA/TIA-232-F, utilizando sólo cuatro condensadores externos de 0,1-µF. Se trata de una mejora significativa con respecto a diseños anteriores que requerían condensadores de 1 µF, lo que reduce el área de la placa y el coste.

El dispositivo cumple todas las especificaciones EIA/TIA-232-F con una velocidad de datos mínima de 120 kbps bajo carga completa de 3-kΩ/1000-pF, suficiente para una comunicación serie estándar de hasta 115,2 kbps con margen. La oscilación de salida del controlador supera ±5,0 V con una carga de 3-kΩ, lo que garantiza la compatibilidad con todos los receptores RS-232 estándar.

La protección ESD es una característica destacada: ±15-kV Human Body Model, ±15-kV IEC 61000-4-2 air discharge, y ±8-kV IEC 61000-4-2 contact discharge en todos los pines RS-232. Esto elimina la necesidad de diodos TVS externos en la mayoría de las aplicaciones, lo que simplifica la lista de materiales.

El sufijo EEY-L indica: E = versión ESD mejorada, Y = encapsulado TSSOP-16, -L = rango de temperatura industrial de -40°C a +85°C, cinta y carrete. El SP3232E no incluye funciones de apagado o triestado (éstas se encuentran en la variante SP3222E). La corriente de alimentación típica es de 0,3 mA sin carga con una alimentación de 3,3 V, lo que lo hace adecuado para puertos serie siempre activos en dispositivos alimentados por batería.

**Bomba de carga (duplicadores de tensión):** El SP3232E utiliza una bomba de carga doble regulada para generar niveles de tensión RS-232 a partir de una única alimentación de 3,0-5,5 V. La primera etapa es un duplicador de tensión (bomba de carga C1) que produce V+ ≈ 2 × VCC a partir de las patillas C1+/C1-. La segunda etapa es un inversor de tensión (bomba de carga C2) que produce V- ≈ -2 × VCC a partir de las patillas C2+/C2-. Un condensador de almacenamiento V+ (C3) y un condensador de almacenamiento V- (C4) suavizan las salidas. La regulación limita las magnitudes V+ y V- a aproximadamente 5,5 V para evitar sobrepasar los máximos RS-232.

**Cada driver convierte los niveles lógicos TTL/CMOS (umbrales bajo de 0,8 V y alto de 2,4 V) en niveles RS-232 (oscilación típica de ±5,4 V). Cuando la entrada lógica es alta, la salida oscila en negativo; cuando es baja, la salida oscila en positivo (inversión). La salida está limitada en corriente y puede manejar una carga de 3 kΩ con una capacitancia de cable de 1000 pF.

**Etapa receptora:** Cada receptor convierte los niveles de entrada RS-232 (rango de ±3-V a ±15-V) a niveles lógicos TTL/CMOS. El umbral de entrada es compatible TTL de 0,8-V con histéresis típica de 0,5-V para inmunidad al ruido. Una resistencia pull-down de 5 kΩ a tierra en cada entrada del receptor garantiza una salida lógica-alta definida cuando se desconecta el cable RS-232.

Pin Nombre Tipo Descripción
1 C1+ E/S Condensador de bomba de carga C1 terminal positivo; conectar cerámica de 0,1µF a C1- (pin 3)
2 V+ P Salida de tensión positiva duplicada (~5,4 V); conecte un condensador de almacenamiento de 0,1 µF a GND
3 C1- E/S Condensador de la bomba de carga C1 terminal negativo
4 C2+ E/S Condensador de bomba de carga C2 terminal positivo; conectar cerámica de 0,1µF a C2- (pin 5)
5 C2- E/S Condensador de la bomba de carga C2 terminal negativo
6 V- P Salida de tensión negativa invertida (~-5,4 V); conecte un condensador de almacenamiento de 0,1 µF a GND
7 T2OUT O Driver 2 Salida RS-232; oscila ±5,4 V típica; se conecta al cable RS-232
8 R2IN I Receptor 2 Entrada RS-232; acepta un rango de ±15V; pull-down interno de 5kΩ a GND.
9 R2OUT O Receptor 2 Salida TTL/CMOS; nivel lógico referenciado a VCC; controla UART RX
10 T2IN I Driver 2 Entrada TTL/CMOS; se conecta a UART TX; inversión a salida RS-232
11 T1IN I Driver 1 Entrada TTL/CMOS; se conecta a UART TX
12 R1OUT O Receptor 1 Salida TTL/CMOS; controla UART RX
13 R1IN I Receptor 1 Entrada RS-232; acepta ±25 V absolutos como máximo; pull-down de 5 kΩ.
14 T1OUT O Driver 1 Salida RS-232; oscila ±5,4 V típicos
15 GND G Tierra; conectar al plano de tierra de la PCB; la bomba de carga retorna a través de esta patilla
16 VCC P Tensión de alimentación 3,0-5,5V; bypass con cerámica de 0,1µF cerca del pin
Aplicación Descripción
MCU integrada Puerto RS-232 Interfaz UART MCU de 3,3 V a puerto serie RS-232; la bomba de carga genera ±5,4 V a partir de la alimentación de 3,3 V; sólo se necesitan 4 tapones externos de 0,1 µF; la protección ESD de ±15 kV elimina el TVS externo; 120 kbps admite 115,2 kbaudios estándar con margen.
Comunicación de controladores industriales Proporciona puerto de depuración/programación RS-232 en controlador industrial de 3,3 V o 5 V; el intervalo de -40~85 °C cubre entornos industriales; la protección ESD gestiona transitorios de conexión en caliente del cable; TSSOP-16 se adapta a placas con limitaciones de espacio.
Enlace serie de instrumentos portátiles Habilita la descarga de datos RS-232 desde un instrumento alimentado por batería de 3,3 V; la Iq sin carga de 0,3 mA minimiza el consumo de la batería; las tapas de bomba de carga de 0,1 µF minimizan el área de la placa; el receptor siempre activo detecta la conexión entrante sin habilitar el control.
Modelo Fabricante Compatibilidad Diferencia clave
MAX3232CUE ADI (Maxim) Pin compatible Misma distribución de patillas TSSOP-16; misma alimentación de 3,0-5,5 V; 250 kbps (más rápido); tapas de 0,1 µF; ±15 kV ESD; alternativa estándar del sector; ampliamente disponible
SP3232EBCA-L MaxLinear Compatible con clavijas, misma serie Misma función en encapsulado SSOP-16 (cuerpo más ancho); patrón de tierra de encapsulado diferente; mismas especificaciones eléctricas; uso cuando se prefiere SSOP a TSSOP
ST3232EBTR ST Pin compatible TSSOP-16; 3,0-5,5 V; 400 kbps (más rápido); tapas de 0,1 µF; ±15 kV ESD; segunda fuente ST; uso para diversificación de la cadena de suministro
SP3222ECA-L MaxLinear Mejora funcional Misma familia con modo de desconexión (1µA Iq); SSOP/TSSOP de 20 patillas; patillas EN y SHDN; se utiliza cuando se necesita la capacidad de desconexión para el modo de espera de consumo ultrabajo.
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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:
  • Electrónica del automóvil: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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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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If you have inquiries about our quality standards, inspection procedures or product certification documents, 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

 

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.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
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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.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    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.

  2. Packaging Standard

     

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

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    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.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

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
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

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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