WMSIC Electronic Components

YLPTEC QA121C2

ModelQA121C2
PackageSIP-5
BrandYLPTEC
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
YLPTEC QA121C2
Type
YLPTEC
Minimum package
25 管装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YLPTEC
Electronic Component
QA121C2
Electronic Component
1
Electronic Component
9.8mm
Package
SIP-5
Electronic Component
Isolated Power Supply Module
Electronic Component
5.12g
Electronic Component
19.5mm
Electronic Component
12.5mm
Electronic Component
1
Electronic Component
BM0265023103
Operating Temperature
40℃~+105℃
Switching Frequency
67kHz
Electronic Component
120mVp-p
Conversion
81%

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

YLPTEC QA121C2 双路隔离电源模块产品概述

YLPTEC(易川科技)推出的QA121C2是一款双路隔离式DC-DC电源模块,专为12V供电系统设计,兼顾高隔离安全、宽温适应性与紧凑体积,适合车载电子、工业控制等对电源可靠性要求较高的场景。

一、产品定位与核心价值

QA121C2针对中小功率双极性电源需求优化,核心解决“12V输入→±双路输出+高隔离”的应用痛点:既满足模拟电路(如运放、ADC)对正负电源的需求,又通过3.5kV AC隔离保障电气安全,同时以小体积、宽温工作适配车载/工业等恶劣环境。

二、关键参数与技术特点

1. 输入输出特性

  • 输入范围:10.8V~13.2V,精准覆盖车载12V系统的典型波动(12V标称±10%),无需额外稳压即可直接适配车载蓄电池供电;
  • 输出配置:双路独立输出(+15V/-3.5V),满足大多数模拟信号调理电路的正负电源需求;
  • 负载能力:最大输出电流±111mA,适配低功耗ADC、运放、小型传感器模块等中小功率器件;
  • 转换效率:81%,在小功率隔离模块中处于合理水平,发热可控,无需额外散热设计。

2. 隔离与抗干扰

  • 隔离电压:3.5kV AC rms(1分钟),符合工业/医疗设备对电气隔离的安全要求,可有效隔离输入输出端的共模干扰;
  • 纹波噪声:120mVp-p(典型值),满足大部分模拟电路对电源纹波的敏感度要求,无需额外滤波即可稳定供电;
  • 开关频率:67kHz,避开音频频段(20Hz~20kHz),电磁干扰(EMI)相对较低,适合对EMI敏感的应用场景。

3. 环境与可靠性

  • 工作温度:-40℃~+105℃,覆盖车载低温(北方冬季)、工业高温(设备内部散热)等极端环境;
  • 短路保护:输出端短路时自动触发保护,故障排除后可自动恢复,提升模块可靠性;
  • 封装尺寸:SIP-5封装(19.5mm×9.8mm×12.5mm),体积小巧,便于焊接在紧凑PCB上,适合小型化设备设计。

三、典型应用场景

QA121C2的参数特性使其在多领域具备适配性:

  1. 车载电子:车载导航仪、行车记录仪、车载通信模块(12V输入,需正负电源驱动信号调理电路);
  2. 工业控制:PLC模拟量输入输出模块、传感器信号放大器(高隔离保障工业现场安全,宽温适应车间环境);
  3. 测试仪器:小型手持测试仪、信号发生器(双极性输出适配测试电路,小体积便于便携设计);
  4. 低功率医疗设备:便携式监护仪、小型理疗设备(3.5kV隔离符合医疗设备安全标准)。

四、使用注意事项

为保障模块稳定运行,需注意以下要点:

  • 输入电压需稳定在10.8V~13.2V之间,避免过压(>13.2V)损坏模块或欠压(<10.8V)导致输出不稳定;
  • 输出负载电流不得超过±111mA,若需驱动更大负载,可并联多个模块或搭配外部线性稳压;
  • 容性负载最大220uF,若需更大容性负载,建议在输出端并联10Ω~100Ω的小电阻(降低ESR),避免启动时电流冲击;
  • 焊接时需注意SIP-5引脚顺序(通常为VIN+、GND、VOUT+、GND、VOUT-),避免接反导致模块烧毁;
  • 高温环境(>85℃)下建议避免长时间满载运行,可适当降低负载电流以控制温升。

五、总结

YLPTEC QA121C2作为一款高性价比双路隔离电源模块,以“12V输入适配+±双路输出+3.5kV隔离+宽温工作”为核心优势,兼顾可靠性与紧凑性,是车载电子、工业控制等场景中中小功率双极性电源的理想选择。其短路保护、低EMI等特性进一步提升了实际应用中的稳定性,适合对电源性能有明确要求的设备设计。

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