WMSIC Electronic Components

Prisemi P14C13

ModelP14C13
PackageSOT-23
BrandPRISEMI
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Prisemi P14C13
Type
PRISEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
P14C13
Electronic Component
1
Package
SOT-23
Type
Load Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.042g
Electronic Component
1
Electronic Component
BM0227760375
Resistor
250mΩ
Operating Temperature
40℃~+85℃
Operating Voltage
3.5V~32V
Current
1A
Electronic Component
Electronic Component
Electronic Component
3000

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

P14C13 产品概述

一、产品简介

P14C13 是芯导(Prisemi)推出的一款低压差、保护型负载开关,采用 SOT-23 小封装,面向便携和嵌入式电源管理场景。器件集成了过热保护(OTP)与过压保护(OVP),工作电压范围宽(3.5V~32V),适用于多种单节电池与系统电源域控制需求。

二、主要特性与优点

  • 保护功能:集成过热保护(OTP)与过压保护(OVP),在异常条件下提升系统可靠性。
  • 宽电压范围:支持 3.5V ~ 32V,可覆盖常见电池与直流供电场景。
  • 适用电流:最大连续电流 1A,适合中低功率负载切换。
  • 低导通电阻:典型 RDS(on) = 250 mΩ,导通压降小、功耗低。
  • 工业温度:工作温度 -40℃ 至 +85℃,可满足大多数工业与消费类环境。
  • 紧凑封装:SOT-23,小占板面积,便于空间受限设计。

三、电气与热性能要点

  • 电压与电流:在 1A 负载下,导通压降约为 0.25V(Vdrop = I × R),对应功耗约 0.25W(P = I^2 × R)。
  • 热管理:在 SOT-23 小封装下,0.25W 的耗散会带来明显结温上升,实际结温取决于 PCB 散热条件。进行热仿真或按经验留大铜箔散热区域、加宽输入/输出走线,可有效降低结温。
  • 保护响应:OTP 与 OVP 可在异常过载或输入突变时保护器件与负载,但具体触发阈值与恢复方式(自动恢复或锁定)请参阅厂方详细资料并在设计中予以验证。

四、典型应用场景

  • 电源域隔离与上电顺序控制(Power sequencing)
  • 电池供电设备的负载接通/断开管理(便携设备、手持终端)
  • 热插拔或热插卸场合的保护开关
  • 工业控制与传感器节点的电源开关
  • 保护前端、限流启动与浪涌管理(配合外部限流/抑制器件)

五、封装与可靠性

SOT-23 封装适合小型化设计,便于自动贴装与回流焊接。器件额定工作温度覆盖工业级区间(-40℃ 至 +85℃),适合大多数场景。但在高温环境或靠近热源时应进行热裕量评估并做好 PCB 散热措施,以保证长期可靠性。

六、设计注意事项

  • 输入端建议并联适当的去耦电容以抑制瞬态,并在需要时加入 TVS 保护防止高压冲击。
  • 若存在较大浪涌电流或启动电流,应评估是否需要外部限流或软启动电路,避免触发 OTP。
  • 按照系统最高环境温度和预期最大负载进行热预算,必要时增大铜箔面积并缩短走线以降低温升。
  • 详细的 OV/OTP 门槛、恢复行为以及引脚功能(例如 EN、IN、OUT)请参考芯导提供的数据手册,以便正确接线与功能配置。

七、典型电路建议

常见接法为 IN、OUT 与使能(EN)引脚配合使用:在 IN 与器件输入之间布设输入电容,OUT 端靠近负载放置电容,EN 用于控制上电顺序与软启。对有高能量瞬变的系统,建议在 IN 端配合 TVS 和串联阻抗或限流器件。

八、结论

P14C13 是一款面向中低功率场景的集成保护型负载开关,具有宽电压范围、过热与过压保护,以及 SOT-23 紧凑封装的优点。适用于便携终端、电源域管理与工业控制等场合。设计时应重视热设计与输入瞬变保护,并参照官方数据手册验证 OV/OTP 的具体行为,以确保系统安全稳定运行。

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