WMSIC Electronic Components

PCA9306DP1,125 PCA9306DP1

ModelPCA9306DP1,125
PackageTSSOP-8-3.0mm
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 PCA9306DP1, 125
Type
NXP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9306DP1,125
Electronic Component
1
Package
TSSOP-8-3.0mm
Electronic Component
Converter / Level positions
Electronic Component
0.147g
Electronic Component
1
Electronic Component
1
Features
Output
Electronic Component
BM0264974816
Operating Temperature
40℃~+85℃
Data
2Mbps
Output Type
Electronic Component
Type
Electronic Component
Operating Voltage(VCCA)
1V~3.6V

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

PCA9306DP1,125 产品概述

PCA9306DP1,125是恩智浦(NXP)推出的低功耗双向电压电平转换器,专为解决不同电压域电子器件间的信号兼容问题设计,具备自动方向检测、宽电压覆盖等核心特性,适用于物联网、工业控制、便携式设备等多场景。

一、产品定位与核心优势

该器件属于NXP电平转换系列的基础款,核心优势集中在简化设计、宽电压兼容、低功耗三大维度:

  • 自动方向检测:无需外部方向控制引脚(DIR),可自动识别信号流向(A侧→B侧或B侧→A侧),减少PCB布线复杂度;
  • 宽电压范围:覆盖1V~5.5V全电压域,兼容低功耗MCU(1.2V/1.8V)、传统5V逻辑器件及中间电压(2.5V/3.3V)模块;
  • 双向传输:单器件支持2通道双向信号转换,尤其适合I2C等双向总线场景;
  • 小封装设计:TSSOP-8封装体积紧凑,节省PCB空间,适配小型化产品需求。

二、关键技术参数解析

1. 电压兼容性

  • A侧电源(VCCA):1.0V~3.6V,兼容主流低电压芯片(如ARM Cortex-M0/M3系列MCU、低功耗传感器);
  • B侧电源(VCCB):1.8V~5.5V,覆盖传统5V逻辑器件(如继电器驱动、部分工业传感器)及3.3V/2.5V模块;
  • 电压差无严格限制,可实现1V→5V、3.3V→1.8V等跨域转换。

2. 信号传输特性

  • 数据速率:最高2Mbps,满足低速数字信号(I2C、SPI低速模式、UART)的转换需求;
  • 通道配置:1电路×2通道,单器件可同时处理I2C的SDA和SCL两条总线;
  • 输出类型:开漏输出,需配合上拉电阻实现电平转换,支持多主机I2C总线(符合I2C协议规范)。

3. 环境与功耗

  • 工作温度:-40℃~+85℃,工业级温度范围,适用于户外、车载、工业现场等恶劣环境;
  • 静态电流:典型值<1μA,低功耗特性适配电池供电设备(如可穿戴、物联网节点)。

三、封装与引脚说明

PCA9306DP1,125采用TSSOP-8-3.0mm封装(薄型小尺寸封装),引脚定义如下(简化):

引脚号 功能描述 备注 1 VCCA A侧电源(1.0V~3.6V) 2 SDA1/SCL1 A侧双向信号通道1 3 GND 公共地 4 SDA2/SCL2 B侧双向信号通道2 5 VCCB B侧电源(1.8V~5.5V) 6~8 NC 空脚(无需连接)

注:通道1和通道2可分别对应I2C的SDA和SCL,实现完整I2C总线的电平转换。

四、典型应用场景

1. 物联网(IoT)节点

  • 低功耗MCU(如1.8V Cortex-M0)与5V温湿度传感器(如DHT11)的I2C信号转换;
  • 蓝牙模块(3.3V)与1.2V可穿戴设备MCU的双向通信。

2. 工业控制

  • 3.3V PLC与5V现场执行器(如继电器)的信号兼容;
  • 工业传感器(2.5V)与上位机(3.3V)的数据传输。

3. 消费电子

  • 智能手机(1.8V)与外部配件(如3.3V耳机模块)的低速数据交互;
  • 平板设备(3.3V)与USB转串口模块(5V)的UART信号转换。

五、使用注意事项

  1. 上拉电阻配置:A侧和B侧需分别接对应电压的上拉电阻(阻值1kΩ10kΩ),速率越高阻值应越小(如2Mbps时建议1kΩ2kΩ);
  2. 电源顺序:无需严格电源先后,但避免同时断电时信号残留;
  3. ESD防护:焊接时需佩戴防静电手环,避免TSSOP封装器件受静电损坏;
  4. 通道复用:2通道仅支持单双向信号转换,不建议用于高速SPI(>2Mbps)场景。

PCA9306DP1,125凭借高集成度、宽电压兼容及自动方向检测特性,成为跨电压域信号转换的高性价比选择,广泛适配各类电子系统的设计需求。

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