WMSIC Electronic Components

HI-LINK(海凌科) HLK-PM12

ModelHLK-PM12
PackageThrough-hole, 34.8x20.5mm
BrandHI-LINK
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
HI-LINK HLK-PM12
Type
HI-LINK
Minimum package
100 盒装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HI-LINK
Electronic Component
HLK-PM12
Electronic Component
1
Electronic Component
20mm
Package
Through-hole, 34.8x20.5mm
Electronic Component
AC-DC Power Supply Module
Electronic Component
17g
Electronic Component
34mm
Electronic Component
15mm
Electronic Component
1
Electronic Component
BM0229969679
Electronic Component
120mVp-p
Conversion
73%
Conversion Type
AC/DC-DC
Output Power
3W

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

HLK-PM12 产品概述

一、产品简介

HLK-PM12 是海凌科(HI-LINK)推出的一款小型化 AC/DC-DC 开关稳压电源模块,适用于对体积、成本和可靠性有要求的 12V 低功率供电场景。模块采用插件式封装,外形紧凑,安装方便,可直接焊接到 PCB 上,广泛用于工业控制、通信终端、智能家居和小型嵌入式设备等领域。

二、主要电气性能

  • 转换类型:AC 输入 / DC-DC 输出(板载整流与隔离 DC-DC)
  • 输入电压:AC 85VAC ~ 265VAC;等效直流输入 120V ~ 350V DC
  • 输出电压:12V DC,输出精度 ±0.2%
  • 输出电流:最大 350mA(最大输出功率 3W)
  • 功耗:静态功耗约 0.1W
  • 转换效率:典型 73%(实际效率随输入电压与输出负载变化)
  • 输出纹波噪声:典型 120mVp-p
  • 保护功能:过流保护、短路保护(自恢复型)
  • 隔离能力:隔离电压 3kV Vrms(输入与输出之间)

这些参数表明 HLK-PM12 适合为低功耗 12V 负载提供稳定电源,同时具备基本的故障自保护能力。

三、结构与封装

  • 品牌:HI-LINK(海凌科)
  • 封装形式:插件(through-hole),便于手工或 Wave solder 安装
  • 尺寸:长度 34mm,宽度 20mm,高度 15mm;典型 PCB 占位 34.8 x 20.5mm
    紧凑的机械尺寸有利于在空间受限的 PCB 上布局与批量生产装配。

四、保护与安全

HLK-PM12 内置过流保护与短路保护,当输出短路或过载时模块将限制输出电流或进入自恢复保护状态,避免损坏负载或电源本身。模块实现输入-输出间 3kV 隔离,满足常见低压设备的安全隔离要求。实际设计时仍需配合保险丝、浪涌抑制与适当的隔离距离来达到系统级安全要求。

五、典型应用场景

  • 智能家居控制模块(传感器、继电器控制板)
  • 工业控制小型模块与仪表表头供电
  • 低功耗通信设备与终端(路由器外围电源)
  • 嵌入式系统和开发板的 12V 供电
    由于体积小、接线方便,适合嵌入式应用和成品机内置电源解决方案。

六、设计与使用建议

为保证长期可靠性和良好的电源品质,建议在使用时注意以下几点:

  1. 输出滤波:模块自带输出滤波,但若对纹波噪声要求更严格,可在输出侧并联低等效串联电阻(ESR)电解电容或陶瓷电容及 LC 滤波器,以进一步降低纹波与瞬态噪声。
  2. 输入滤波与浪涌保护:在交流输入端加装 X、Y 电容、共模与差模电感,以及浪涌抑制器(TVS 或 MOV),以降低电磁干扰并保护模块免受电网冲击。
  3. 散热与布局:模块效率约 73%,在接近满载时会产生一定热量。保持模块周围通风空间,避免与高热源器件紧密叠放;若工作环境温度较高,应适当降低负载或增加散热措施。
  4. PCB 布局:插件式引脚需可靠焊接,确保焊点和焊盘尺寸满足制造工艺。输入高压端与输出低压端应保持足够的爬电和空气间隙,满足安规要求。
  5. 过载与启动:避免频繁在最大输出附近长期运行,建议留有裕量(如不超过额定电流的 80%)以延长寿命并改善热性能。启动时若系统存在较大充电电容,考虑软起动或限流电阻,防止模块进入持续保护状态。

七、常见问题与注意事项

  • 若遇模块频繁进入保护或无法启动,首先检查输出侧是否短路或过载,排除后再测试模块。
  • 测试纹波时应使用合适接地与探头接法,避免测试引入误差。
  • 在高海拔或高温环境下工作,需参考供应商的工作温度规格并相应降载。
  • 虽具隔离功能,但仍须遵循本地电气安全规范,必要时配合绝缘/防护罩和认证器件。

八、结论

HLK-PM12 提供了一种体积小、安装便捷且功能齐全的 12V 低功率隔离电源解决方案。其稳定的输出、基本的保护功能及插件式封装,适合用于多种嵌入式与工业应用。合理的 PCB 布局、输入滤波与散热设计将显著提升系统性能与可靠性。对于需要将市电或高压直流转换为 12V 小功率总线的场景,HLK-PM12 是一种经济且实用的选择。

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