WMSIC Electronic Components

PCA9511ADP,118 PCA9511ADP

ModelPCA9511ADP,118
PackageTSSOP-8
BrandNXP
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP PCA9511ADP, 118
Type
NXP
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9511ADP,118
Electronic Component
1
Package
TSSOP-8
Type
Buffer
Electronic Component
Signal Buffer / Repeater / Distributor
Electronic Component
0.163g
Electronic Component
1
Channel Count
1
Features
Bus Capacitor Isolated
Electronic Component
BM0232169806
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~5.5V
Capacitor
7pF
Type
2 Bus

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

PCA9511ADP,118 产品概述

一、简介

PCA9511ADP,118 是恩智浦(NXP)推出的一款用于2线式总线(I2C/SMBus类)的缓冲器,针对传感器系统(如加速度计)前端的总线驱动与隔离需求而设计。器件为单通道(SDA/SCL 一组)双向缓冲,支持最高400 kHz的数据速率,便于在多传感器或长线路环境下保持总线信号完整性与系统可靠性。

二、主要技术参数

  • 类型:缓冲器(1 通道)
  • 输入/输出类型:2线式总线(双向)
  • 工作电压:2.7 V ~ 5.5 V(单电源供电)
  • 支持速率:最高 400 kHz(Fast-mode)
  • 输入电容:典型 7 pF(低电容负载,有利于维持上拉斜率)
  • 工作温度范围:-40 ℃ ~ +85 ℃(工业级)
  • 封装:TSSOP-8(P-DIP/SMT 便于PCB集成)
  • 品牌:NXP(恩智浦)
    这些参数使其适合嵌入式传感器子系统,尤其是对时序和信号完整性有要求的应用场景。

三、功能与应用场景

PCA9511ADP 提供对 I2C/SMBus 总线的有源缓冲与隔离功能,常见应用包括:

  • 加速度计、陀螺仪等惯性传感器的总线驱动与隔离,减少传感器节点对主总线的电容负载影响;
  • 多传感器拓扑中延长总线长度、分段布线以提高可靠性;
  • 工业与消费类主控器与外围传感器之间的总线接口保护与性能优化。
    器件通过降低总线等效电容并维持上拉电平,能改善上升时间和总线负载能力,从而支持更高速率通信或更多节点连接。

四、封装与设计注意事项

  • 封装为 TSSOP-8,便于在空间受限的 PCB 上布置;建议按照制造商给出的封装图与焊盘建议设计焊盘与丝印。
  • 电源去耦:在 VCC 引脚附近放置 0.1 µF 陶瓷旁路电容以抑制瞬态噪声。
  • 上拉电阻:为两侧总线选择合适的上拉电阻值,平衡信号上升时间与功耗,依据线路电容与总线速度调整;
  • 布线建议:总线短而粗,避免环路和长串联电阻;尽量将缓冲器置于主控制器与传感器簇之间的分段点。
  • 供电与上电顺序:确认缓冲器及两侧设备的电源状态,避免未供电侧对总线造成干扰。

五、选型建议与总结

若系统需对单组 I2C/SMBus 信号进行有源缓冲、分段或隔离,且工作电压在 2.7–5.5 V、数据速率不超过 400 kHz,PCA9511ADP,118 是稳健且集成度高的选择。其工业级温度范围和低输入电容特性,适合对信号完整性和多节点扩展有要求的加速度计与传感器系统。在最终选型时,请结合应用的总线拓扑、节点数、线路长度及上拉电阻设计,参考官方数据手册以获取详细的电气特性与典型应用电路。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.