WMSIC Electronic Components

RENESAS IW1710-01 IW1710

ModelIW1710-01
PackageSOIC-8
BrandRENESAS
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
RENESAS IW1710-01
Type
RENESAS
Minimum package
2500 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
IW1710-01
Electronic Component
1
Package
SOIC-8
Electronic Component
AC-DC Controllers and Regulators
Electronic Component
0.202g
Electronic Component
1
Features
Brown-in / Brown-out; /; (OTP); (SCP); (OVP); (OCP)
Electronic Component
Electronic Component
Electronic Component
BM0265618603
Electronic Component
PFM; QR
Operating Temperature
40℃~+85℃
Operating Voltage
16V
Switching Frequency
130kHz
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.

IW1710-01 离线式反激转换器产品概述

一、核心定位与拓扑架构

IW1710-01是瑞萨电子(RENESAS)推出的离线式隔离反激转换器,专为中小功率(典型应用功率20-50W)电源设计,采用成熟的反激式拓扑结构,结合原边反馈(PSR)技术,无需次级反馈电路即可实现稳定输出,是简化电源设计、降低成本的理想选择。

反激拓扑的核心优势在于可实现输入输出隔离,同时通过变压器匝数比灵活调整输出电压(适配5V、12V、15V等低压需求),广泛覆盖需要安全隔离的电源场景,如消费电子、工业控制等领域。

二、关键电气参数解析

该芯片参数匹配中小功率离线电源的设计需求,核心指标如下:

  • 工作频率:130kHz(典型值),处于中等开关频率区间——既避免低频导致的变压器体积过大,又减少高频带来的辐射噪声与开关损耗,平衡效率与EMI性能;
  • 耗散功率:15W(典型值),支持芯片内部功率器件高效运行,结合准谐振模式可进一步降低损耗,提升整体电源效率(可达85%以上);
  • Vcc工作电压:16V(典型值),由变压器辅助绕组供电,无需额外复杂启动电路,简化外围设计;
  • 工作温度范围:-40℃~+85℃,覆盖工业级温度区间,可适应户外、高温环境下的稳定运行;
  • 反馈方式:原边反馈(PSR),通过检测原边绕组电压/电流间接控制输出,省去光耦、次级稳压管等元件,显著减少PCB布局复杂度与物料成本。

三、全面保护功能体系

IW1710-01内置多重保护机制,保障电源系统与负载安全:

  1. 过热保护(OTP):芯片结温超过150℃(典型阈值)时自动关断输出,温度下降至安全范围后自动重启,避免过热损坏;
  2. 短路保护(SCP):输出短路时限制开关管电流并关断,短路解除后恢复正常,防止器件烧毁;
  3. 过压保护(OVP):输出电压超过额定值1.2倍时,关断输出或进入降频模式,避免后级电路过压损坏;
  4. 过流保护(OCP):原边电流超过阈值时,限制占空比或关断开关管,保护变压器与开关管不受过流冲击。

四、调制与工作模式优势

芯片采用PFM调制+准谐振(QR)模式,优化不同负载下的效率与性能:

  • PFM调制:轻载时降低开关频率(低至数kHz),减少开关损耗,轻载效率提升至75%以上(符合Energy Star能效标准);
  • 准谐振模式:开关管在变压器绕组谷底电压处导通(此时开关管电压最低),大幅降低开关损耗与dv/dt噪声,简化EMI滤波设计;
  • 负载自适应:从满载到轻载自动切换模式,平衡效率与稳定性,避免负载波动导致的输出电压波动。

五、封装与典型应用场景

  • 封装形式:8-SOIC(小外形集成电路),体积紧凑(引脚间距1.27mm),适合高密度PCB设计,节省空间;
  • 典型应用:
    • 消费电子适配器:手机、平板、笔记本小功率充电器;
    • 智能家居电源:智能音箱、路由器、智能门锁隔离电源;
    • 工业控制电源:小型PLC、传感器模块低压隔离电源;
    • LED驱动电源:小功率LED照明恒压/恒流驱动电源。

综上,IW1710-01凭借原边反馈简化设计、全面保护功能、高效调制模式与工业级温度范围,成为中小功率离线隔离电源的高性价比选择,适配多种需要安全隔离与稳定运行的应用场景。

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