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PCA9846PWJ
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP PCA9846PWJ
- Type
- NXP
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- PCA9846PWJ
- Electronic Component
- 1
- Package
- TSSOP-16
- Type
- FETSwitch
- Electronic Component
- Signal Switch / Codec / Multiplexer
- Electronic Component
- 0.28g
- Electronic Component
- 1
- Features
- Level Conversion
- Electronic Component
- BM0248788254
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 800mV~3.6V；1.65V~3.6V
- Power Supply
- Power Supply
- Current(IOL)
- 20mA
- Static Current(Iq)
- 12uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PCA9846PWJ 产品概述
一、产品简介
PCA9846PWJ 是恩智浦（NXP）推出的一款高性能总线开关器件，采用 TSSOP-16 封装（PWJ）。器件内部结构为 2×4 通道总线开关，专为多电平及多域信号路由、隔离与保护设计，适合便携、工业和消费类电子系统中对信号透明切换与低功耗要求较高的场合。
二、关键参数
- 电源极性：双电源（支持两路电源域独立控制与隔离）。
- 工作电压：0.8V ~ 3.6V（低压域）；1.65V ~ 3.6V（常用域）。
- 灌电流 (IOL)：20 mA，足以驱动一般数字负载和指示器。
- 传播延迟 (tpd)：约 1 ns，适合高频/高速数字信号传输。
- 静态电流 (Iq)：典型 12 μA，适合电池供电和低功耗设计。
- 工作温度：-40 ℃ ~ +85 ℃，满足工业级温度要求。
- 封装：TSSOP-16，便于中高密度 PCB 布局。
三、功能特点
- 支持双电源域隔离与信号传输，方便不同电压系统之间的互联与切换。
- 极低静态电流与快速传播延迟，兼顾系统的低功耗与高速性能。
- 单通道可承受 20 mA 灌电流，具备一定的驱动能力和短路容限。
- TSSOP-16 紧凑封装，有利于空间受限的设计。
四、典型应用场景
- 多电压 SoC 与外设间的信号路由与隔离（如 0.9V/1.8V/3.3V 系统）。
- 电源域切换、板级调试与信号复用。
- 移动设备、可穿戴、工业控制和通信设备中的总线保护与分配。
- 需要低功耗待机与高速唤醒的系统。
五、设计与使用建议
- 电源与地应靠近引脚加大滤波并使用旁路电容（建议 0.1 μF 附近），以保证高速切换时的稳定性。
- 在高速信号路径上注意阻抗匹配与最短回路，尽量避免长走线和不必要的串联电容。
- 若负载为感性或有大电流冲击，应加入限流或缓冲电路以保护开关通道。
- 在多电源系统中，上电/断电顺序会影响通道状态，设计时应遵循厂商推荐的电源管理策略。
- 实际应用前，请参考恩智浦官方数据手册获取完整引脚定义、电气特性曲线及典型应用电路。
六、可靠性与注意事项
- 工作温度范围覆盖工业级，但在高温工况下需关注功耗与热管理。
- 器件应避免超过最大额定电压和电流（以数据手册为准），并考虑 ESD 保护措施。
- 量产设计建议进行信号完整性与热仿真验证，保证长期可靠性。
如需详细引脚图、时序图或典型应用电路，请参阅 NXP 官方数据手册或联系技术支持获取原厂资料。
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