WMSIC Electronic Components

RENESAS IW3688-21 IW3688

ModelIW3688-21
PackageSOIC-14
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 IW3688-21
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
IW3688-21
Electronic Component
1
Package
SOIC-14
Type
AC-DC
Electronic Component
LEDDriver
Electronic Component
PWM
Electronic Component
0.175g
Electronic Component
1
Channel Count
1
Features
(OVP); LED;; (OTP); (SCP)
Electronic Component
BM0265826107
Operating Temperature
40℃~+150℃
Electronic Component
5%
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.

IW3688-21 单级可调光LED驱动器控制器产品概述

IW3688-21是瑞萨电子推出的单级AC-DC可调光LED驱动器控制器,专为LED照明系统优化设计,集成先进数字控制技术与多拓扑融合架构,兼顾高效能、宽调光范围与工业级可靠性,可替代传统多芯片方案简化系统设计,适用于各类室内外可调光LED灯具。

一、产品定位与核心功能

IW3688-21定位于单级集成式LED驱动控制,针对LED照明的恒流需求与调光特性优化,核心功能包括:

  • 宽输入电压适配(85-265VAC全球通用);
  • 高精度PWM调光(0%-100%占空比);
  • 集成多重保护(过压、过流、过温、短路);
  • 数字可编程参数(输出电流、调光范围、保护阈值)。

相比传统模拟方案,其数字控制架构可减少外部元件数量,降低BOM成本与设计复杂度。

二、拓扑结构与功率转换效率

IW3688-21采用反激拓扑为核心,融合升压/降压适配机制,实现单级AC-DC转换(无需额外PFC电路),核心优势如下:

  1. 高效转换:数字控制优化开关时序,减少损耗与EMI,满载效率达92%以上;
  2. 恒流稳定:升压/降压适配补偿LED负载波动与输入电压变化,输出电流偏差≤±5%;
  3. 拓扑精简:单级设计替代“PFC+DC-DC”双级方案,缩小PCB尺寸,降低元件成本。

三、PWM调光性能与兼容性

作为调光型控制器,IW3688-21的PWM调光特性满足主流照明需求:

  • 宽调光范围:0%-100%占空比调光,线性度优异,无肉眼闪烁;
  • 频率兼容:100Hz-1kHz调光频率,对接90%以上市售PWM调光器;
  • 动态响应:调光时输出电流平滑变化(响应时间<10ms),无电压突变;
  • 负载适配:兼容串联/并联LED,单通道最大输出功率100W(典型应用)。

四、宽温与可靠性设计

IW3688-21具备工业级宽温特性(-40℃~+150℃),满足极端环境需求:

  • 极端场景适配:覆盖户外(冬冷夏热)、工业车间(高温)、冷库(低温)等;
  • 多重保护:
    • 过温保护(OTP):125℃自动降功率;
    • 过流保护(OCP):阈值超限时关断输出;
    • 过压/短路保护:防止负载与器件损坏;
  • ESD防护:8kV HBM静电防护,提升生产可靠性。

五、封装与典型应用

IW3688-21采用SOIC-14贴片封装(7.5mm×4.9mm),体积小巧,典型应用包括:

  • 室内:可调光筒灯、面板灯、吸顶灯;
  • 户外:路灯、庭院灯、隧道灯;
  • 工业:防爆灯、冷库灯、高温车间灯。

六、数字控制技术优势

瑞萨数字控制是核心亮点:

  • 可编程性:I2C接口配置参数,无需硬件改动;
  • 动态补偿:自动适配负载与电压变化,保证输出稳定;
  • 低EMI:优化开关频率,减少滤波成本;
  • 简化设计:减少外部元件,缩短开发周期。

总结

IW3688-21通过单级拓扑、数字控制与宽温设计,为LED照明提供高效、可调光、高可靠解决方案,满足全球电压与极端环境需求,是瑞萨LED驱动领域的核心产品。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.