WMSIC Electronic Components

Silergy SY5055AHXP

ModelSY5055AHXP
PackageSOP-14
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 SY5055AHXP
Type
SILERGY
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SY5055AHXP
Electronic Component
1
Package
SOP-14
Type
PFCController+AC-DCController
Electronic Component
PFC Controller
Electronic Component
0.44g
Electronic Component
1
Electronic Component
BM0230049791
Electronic Component
CRM;DCM
Operating Temperature
40℃~+125℃
Operating Voltage
10V~24V
Current(IOH)
600mA
Current(IOL)
1.4A
Static Current(Iq)
1.6mA

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

SY5055AHXP 产品概述

一、产品简介

SY5055AHXP 是矽力杰(silergy)面向高功率密度电源设计的集成型控制器,集合有功功率因数校正(PFC)控制器与 AC-DC 开关稳压控制器功能于一芯片。器件支持连续电流模式(CRM)与不连续电流模式(DCM)两种工作方式,适用于要求高功率因数与高效率的消费类与工业电源产品。

二、主要规格与特性

  • 类型:PFC 控制器 + AC-DC 控制器
  • 工作模式:CRM / DCM 可选
  • 工作电压(VCC):10V ~ 24V
  • 输出驱动能力:拉电流 IOH = 600 mA;灌电流 IOL = 1.4 A
  • 静态电流:Iq = 1.6 mA(待机/静态功耗低)
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 封装:SOP-14 这些参数表明器件在宽电压工作区间内保持稳定驱动能力并兼顾低静态功耗,适合高功率、连续/间歇负载变化场合。

三、功能与工作模式解析

  1. CRM(连续电流模式):在中高负载下,CRM 有助于降低电流纹波、提高转换效率并改善 EMI 特性,适用于对输出纹波与效率有较高要求的场景。
  2. DCM(不连续电流模式):在轻载或瞬态响应场合,DCM 可实现更快的瞬态响应和简化的磁性元件设计。
  3. 驱动能力:600 mA 的拉电流与 1.4 A 的灌电流使其能直接驱动主开关器件门极(如功率 MOSFET),减少外部驱动级复杂度。
  4. 低静态电流:1.6 mA 的静态电流有利于降低待机功耗,符合现代节能设计趋势。

四、封装与可靠性

SY5055AHXP 采用 SOP-14 封装,便于标准化组装与散热设计。器件宽工作温度范围(-40 ℃ ~ +125 ℃)满足工业级与高可靠性应用对环境适应性的要求。在电源系统布局中,合理的散热与走线可进一步提升可靠性与长期稳定性。

五、典型应用场景

  • 台式电源与一体化开关电源(要求 PFC 的中高功率 AC-DC)
  • 充电器、适配器与工业电源模块
  • LED 驱动电源与功率密度要求较高的消费电源
  • 需要在宽温度、宽电压下稳定运行的电源系统

六、设计建议与注意事项

  • VCC 选择与滤波:确保芯片供电在 10V~24V 范围内稳定,采用合适滤波与退耦以减少高频噪声对控制稳定性的影响。
  • 驱动速率与布局:根据驱动能力调整门极电阻,优化走线以兼顾切换损耗与 EMI。
  • 模式选择:依据负载工况在 CRM 与 DCM 之间选型或切换,平衡效率、响应与 EMI。
  • 散热管理:SOP-14 虽便于布局,但在高功率应用中需留意PCB铜箔面积与散热通道设计。
  • 可靠性验证:在目标温度与电压边界做充分测试,验证静态电流与驱动能力在极限工况下的稳定性。

总结:SY5055AHXP 将 PFC 与 AC-DC 控制集成在一颗器件内,提供灵活的工作模式、较强的门极驱动能力与低静态功耗,适合追求高功率因数、高效率与成本/体积优化的电源设计。

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