WMSIC Electronic Components

Silergy SY5072BABT

ModelSY5072BABT
PackageSOT-23-6
BrandSILERGY
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
silergy SY5072BABT
Type
SILERGY
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SY5072BABT
Electronic Component
1
Package
SOT-23-6
Type
PFCController
Electronic Component
PFC Controller
Electronic Component
0.041g
Electronic Component
1
Electronic Component
BM0264555843
Electronic Component
QR;CRM
Current(IOH)
70mA
Current(IOL)
400mA
Static Current(Iq)
400uA
Electronic Component
Electronic Component
Electronic Component
3000

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

SY5072BABT 产品概述

一、产品简介

SY5072B(封装:SOT-23-6)是矽力杰(silergy)推出的一款具备功率因数校正(PFC)功能的恒定电压过渡模式升压控制器。器件采用恒定导通时间(COT)控制技术,并以准谐振(QR)方式驱动升压拓扑,能够在无需乘法器的情况下实现高功率因数(PF)与低总谐波失真(THD),同时兼顾高效率与良好的电磁兼容(EMI)性能。

二、主要规格与功能

  • 工作模式:准谐振(QR)与电流模式(CRM)兼容;
  • 驱动能力:拉电流(IOH)≈70mA,灌电流(IOL)≈400mA;
  • 静态电流(Iq):约400µA,适合低空载功耗设计;
  • 保护功能:逐周期过流保护(OCP)、过温保护(OTP)、欠压锁定(UVLO)、过压保护(OVP)等完整保护机制。

三、工作原理与设计优势

SY5072B采用恒定导通时间与准谐振混合控制,QR驱动可降低开关损耗并实现谷值开关,从而提升效率并抑制开关噪声;COT使得功率因数校正环路实现简单、响应快且无需复杂乘法器,简化外围电路和成本。器件低静态电流利于提高轻载效率和节能表现。

四、典型应用场景

适用于离线AC-DC PFC前级、适配器、电视/显示器电源、LED驱动与中小功率能源转换系统等需要高PF、低THD与良好EMI性能的场合。

五、设计与布局要点

为发挥QR模式与COT控制优势,应注意:开关回路最短、布线尽量紧凑、输入滤波与地平面合理分区、热源附近考虑散热;关键参数、保护门槛与外部元件选型请参照产品规格书与评价板设计。

六、封装与可靠性

器件采用紧凑SOT-23-6封装,适合空间受限的消费类与工业类电源产品。详细电气参数、时序与应用电路请参考官方数据手册以确保可靠性与合规性。

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.