WMSIC Electronic Components

Siproin SSP9302

ModelSSP9302
PackageSOT-23-5
BrandSIPROIN
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
Siproin SSP9302
Type
SIPROIN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SIPROIN
Electronic Component
SSP9302
Electronic Component
1
Package
SOT-23-5
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.045g
Electronic Component
1
Features
Output
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265584577
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
2.7V~5.5V
Switching Frequency
1.3MHz
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.

SSP9302同步降压型DC-DC转换器产品概述

SSP9302是上海矽朋(Siproin)推出的单通道同步降压型DC-DC转换器,专为中小功率、低功耗、紧凑空间需求的电子设备设计,具备宽电压输入、高输出电流、低静态功耗等核心优势,适配可穿戴、工业IoT、消费电子等多类场景。

一、核心功能与拓扑结构

SSP9302采用降压式(Buck)拓扑,通过内置同步整流的上下功率开关管实现能量转换——无需外置续流二极管,显著简化外围电路。产品为单输出通道,支持输出电压可调(通过外部分压电阻设置),可灵活适配MCU、传感器等不同负载的电压需求。

二、关键性能参数解析

SSP9302的参数针对便携与工业场景优化,核心指标如下:

  • 输入电压范围:2.7V~5.5V,覆盖3.7V锂电池(典型电压)、5V USB、3.3V系统电源等常见输入;
  • 输出电流能力:持续输出2A,满足智能手环、无线耳机等中小功率负载的供电需求;
  • 开关频率:1.3MHz(高频设计),可缩小外围电感/电容体积(如电感可选10μH、电容仅需1μF),降低PCB空间;
  • 工作温度范围:-40℃~+125℃(结温TJ),支持极端环境稳定工作,适配户外、工业严苛场景;
  • 静态电流:40μA(典型值),低待机功耗延长电池设备续航;
  • 内置开关管:上下功率管均内置,无需额外配置功率器件,减少BOM成本与电路复杂度;
  • 封装形式:SOT-23-5,超小封装(2.9mm×2.5mm×1.0mm),适配便携式设备紧凑设计。

三、设计特点与应用优势

SSP9302在性能与成本平衡上具备显著优势:

  1. 低功耗待机:40μA静态电流远低于同类产品,特别适合可穿戴、IoT节点等电池供电设备,无需频繁充电;
  2. 高效能量转换:同步整流架构配合内置开关管,全负载效率可达85%以上(轻载时仍保持80%左右),减少电源损耗;
  3. 紧凑空间适配:1.3MHz开关频率让外围元件体积缩小,PCB占用面积可控制在1cm²以内,适配小型化产品;
  4. 宽场景兼容性:输入覆盖主流电源,输出可调(1.0V~3.3V)适配MCU、传感器等不同负载;
  5. 高可靠性设计:内置过流保护(OCP)、过温保护(OTP),防止负载异常或过热损坏,提升系统稳定性。

四、典型应用场景

SSP9302的性能特点使其适配多类场景:

  • 可穿戴电子:智能手环、蓝牙耳机、智能手表的核心供电模块;
  • 消费电子配件:无线耳机充电盒、便携式充电宝的电压转换环节;
  • 工业物联网:低功耗传感器节点、小型工业仪表的供电单元;
  • 智能家居设备:智能门锁、温湿度传感器的电源管理模块。

五、封装与引脚说明

SSP9302采用SOT-23-5封装,引脚布局清晰(典型定义:1脚VIN输入、2脚GND接地、3脚SW开关节点、4脚FB反馈调节、5脚EN使能),支持标准SMT焊接,适配批量生产。小尺寸封装满足便携式设备的空间限制,同时保证散热性能。

SSP9302凭借低功耗、小体积、高可靠性等优势,成为便携设备、工业IoT等领域电源设计的优选方案,可有效简化电路、降低成本并提升产品续航能力。

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