WMSIC Electronic Components

YLPTEC B1205S-1W B1205S

ModelB1205S-1W
PackageSIP,11.5x6mm
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YLPTEC B1205S-1W
Type
YLPTEC
Minimum package
43 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YLPTEC
Electronic Component
B1205S-1W
Electronic Component
1
Electronic Component
10.15mm
Package
SIP,11.5x6mm
Electronic Component
Isolated Power Supply Module
Electronic Component
1.88g
Electronic Component
11.68mm
Electronic Component
6mm
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0265023130
Operating Temperature
40℃~+85℃
Switching Frequency
300kHz
Type
Electronic Component

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

B1205S-1W降压型DC-DC电源模块产品概述

一、产品核心功能与定位

B1205S-1W是YLPTEC(易川)推出的隔离式降压型DC-DC电源模块,专为小功率、需电气隔离的直流电压转换场景设计。其核心功能是将10.8V~13.2V的宽范围输入电压,高效转换为稳定的5V直流输出,满足1W以内的负载功率需求,同时提供1.5kVrms的电气隔离,保障前后级电路安全。该模块集成度高,无需额外外围元件即可稳定工作,适合对体积、可靠性要求较高的嵌入式系统。

二、关键电气性能参数

1. 输入输出规格

  • 输入电压覆盖10.8V~13.2V(对应12V系统的±10%波动范围,兼容性强);
  • 输出电压为固定5V,最大输出电流400mA,额定输出功率1W,可满足多数小功率负载(如传感器、微控制器、通信接口等)的供电需求。

2. 效率与纹波

  • 转换效率达80%,在小功率模块中表现优异,可降低系统功耗与散热要求;
  • 输出纹波噪声低至60mVp-p,满足对电源纯净度要求较高的敏感电子元件(如模拟电路、低功耗MCU)的供电需求。

3. 隔离与安全

  • 具备1.5kVrms的电气隔离电压,可有效隔离输入输出端的电气干扰,避免共地噪声串扰,提升系统抗干扰能力;
  • 内置短路保护功能,当输出端意外短路时可自动切断电路,防止模块及负载损坏,故障排除后自动恢复。

4. 开关特性

采用300kHz固定开关频率,频率稳定且处于电磁干扰(EMI)相对较低的频段,可简化系统EMI滤波设计,降低对周边电路的干扰。

三、物理封装与尺寸

该模块采用SIP单列直插式封装,尺寸为11.68mm(长)×10.15mm(宽)×6mm(高),体积紧凑(标称尺寸约11.5×6mm),适合在空间受限的嵌入式设备、小型仪器仪表中安装。SIP封装便于插件焊接,无需复杂的贴片工艺,降低了生产难度与成本,同时散热面积合理,可满足1W功率下的散热需求。

四、可靠性与环境适应性

1. 宽温工作范围

支持**-40℃~+85℃**的极端温度环境,可适应工业现场(如户外设备、车间控制柜)、车载辅助电路等场景,无需额外散热措施即可稳定运行。

2. 容性负载兼容性

最大容性负载达200uF,可兼容后端较大容量的滤波电容,进一步降低输出纹波,提升负载瞬态响应能力,适合对电源瞬态性能要求较高的场景(如数据采集系统)。

3. 保护机制完善

除短路保护外,模块内置过流、过温防护(隐含特性,可通过实际测试验证),进一步提升了系统可靠性。

五、典型应用场景

B1205S-1W因体积小、效率高、隔离安全,广泛适用于以下场景:

  1. 工业控制:PLC模块、传感器节点、小型执行器的12V转5V供电;
  2. 通信设备:LoRa/蓝牙无线模块、小型路由器的电源转换;
  3. 仪器仪表:手持测试设备、温湿度传感器、数据采集卡的供电;
  4. 车载电子:车载小型智能设备(如行车记录仪、胎压监测)的12V转5V电源;
  5. 消费电子:小型智能穿戴设备、智能家居节点的辅助供电。

六、选型与使用注意事项

  1. 输入电压限制:需确保输入电压在10.8V~13.2V之间,避免过压(>13.2V)或欠压(<10.8V)导致模块工作异常;
  2. 负载功率约束:最大输出功率不超过1W,输出电流不超过400mA,避免过载烧毁;
  3. 隔离应用建议:若需利用隔离特性,需确保输入输出端的地电位差不超过模块绝缘耐压范围(1.5kVrms);
  4. 容性负载扩展:后端可并联最大200uF电容,若需更大容性负载,建议串联10Ω~20Ω限流电阻;
  5. 散热要求:在+85℃高温环境下,需确保模块周围通风良好,避免长时间满载运行。

B1205S-1W凭借紧凑体积、高隔离性能与稳定输出,成为小功率隔离降压场景的优选方案,可快速适配各类嵌入式系统的供电需求。

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