WMSIC Electronic Components

SGMICRO SGM2575AYG/TR SGM2575AYG

ModelSGM2575AYG/TR
PackageWLCSP-4B(0.8x0.8)
BrandSGMICRO
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
SGMICRO SGM2575AYG / TR
Type
SGMICRO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM2575AYG/TR
Electronic Component
1
Package
WLCSP-4B(0.8x0.8)
Type
Load Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.157g
Electronic Component
1
Channel Count
1
Features
Current; Output
Electronic Component
BM0259384674
Resistor
34mΩ
Operating Temperature
40℃~+85℃
Operating Voltage
1V~5.5V
Electronic Component
Electronic Component

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

SGM2575AYG/TR — 单通道低阻抗负载开关产品概述

一、产品定位与主要参数

SGM2575AYG/TR 是圣邦微(SGMICRO)推出的一款单通道负载开关,适用于对上电/下电控制、功率隔离和电源分配有严格要求的小型电子系统。主要参数如下:

  • 类型:负载开关(Load Switch)
  • 通道数:1
  • 输入控制逻辑:高电平有效(EN 高电平导通)
  • 工作电压范围:1.0 V ~ 5.5 V
  • 导通电阻(RDS(on)):34 mΩ
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装:WLCSP-4B(0.8 × 0.8 mm)
  • 品牌:SGMICRO(圣邦微)

二、典型应用场景

  • 电池供电设备的子系统电源开关(传感器、射频模块、存储器等)
  • 电源管理与电源路径选择(例如 USB/电池切换)
  • 系统上电顺序和电源域隔离
  • 便携式终端、可穿戴设备、物联网节点以及工业控制模块等对体积与功耗敏感的场景

三、性能要点与电气考量

  • 低导通阻抗(34 mΩ)带来较低的压降和导通损耗。简单计算:Vdrop = I × R_on,P_loss = I^2 × R_on。例如在 1 A 条件下,Vdrop ≈ 34 mV,功耗约 34 mW;在 3 A 时,Vdrop ≈ 102 mV,功耗约 306 mW。根据工作电流评估器件温升与散热需求。
  • 宽工作电压范围(1 V 至 5.5 V)可兼容多种数字与模拟电源轨,但控制端门槛(EN)与逻辑兼容性请参照器件数据手册以确认与 MCU/FPGA 的直接接口。
  • 温度范围 -40 ℃ ~ +85 ℃ 适应一般商用与工业级环境,但在高功耗或受限散热条件下需评估实际结温。
  • WLCSP 超小封装利于节省 PCB 面积,但相应焊接与检修要求较高,且热阻较大,应重视 PCB 散热设计。

四、封装与 PCB 布局建议

  • 封装:WLCSP-4B(0.8 × 0.8 mm),引脚和焊盘极其微小,建议与制造商提供的焊盘模板严格一致。
  • 布局建议:
    • VIN 与 VOUT 使用宽短的铜箔,减小串扰并提高散热能力。
    • 在 VIN 端靠近器件放置去耦电容(如 1 μF~10 μF),降低输入瞬态尖峰。
    • 若可能,使用多层板并在器件下方或周围布置散热铜铺,增加散热路径。
    • EN 引脚走线尽量短且远离噪声源,必要时加上上拉/下拉电阻以定义默认状态(上电复位行为)。

五、使用注意事项与系统集成建议

  • 在系统设计中根据最大工作电流计算器件功耗与 PCB 温升,必要时在系统级增加散热处理或选择并联/替代器件。
  • 若应用对上电斜率或逆向电流有特殊要求,应确认器件是否具备内部软启动、限流或反向电流阻止功能;若无,则需在系统中采用外部电路实现。
  • 由于 WLCSP 封装尺寸小且易受焊接工艺影响,建议与供应商确认回流曲线与贴装工艺,防止虚焊与热损伤。
  • 强烈建议在最终设计前参照 SGMICRO 官方数据手册获取完整的电气特性、引脚定义、典型应用电路及可靠性信息。

总结:SGM2575AYG/TR 以其低导通阻抗、宽电压适配能力和小尺寸封装,非常适合对压降与空间敏感的便携与嵌入式电源管理场景。正确的 PCB 布局与热管理是确保器件长寿命和稳定性能的关键。

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