WMSIC Electronic Components

TEA18363T/1J TEA18363T

ModelTEA18363T/1J
PackageSO-8
BrandNXP
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 22+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
NXP TEA18363T / 1J
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TEA18363T/1J
Electronic Component
1
Package
SO-8
Electronic Component
AC-DC Controllers and Regulators
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0264890503
Operating Voltage
9.9V~30V
Switching Frequency
25kHz~132.5kHz
Isolation
Isolated
Power Dissipation(Pd)
0.82W
Electronic Component
Electronic Component
Electronic Component
2500

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

TEA18363T/1J 产品概述

一、产品简介

TEA18363T/1J 是恩智浦(NXP)面向隔离式 AC‑DC 反激电源的控制器/稳压器,采用 SO‑8 封装。器件集成高压开关能力并支持反激(flyback)拓扑,工作模式兼容准谐振(QR)与断续导通(DCM),适合中小功率隔离式电源设计,尤其在效率、轻载待机表现与多重保护方面具有优势。反馈采用副边(secondary‑side)闭环,适配常见的光耦+参考或次级直接检测方案。

二、主要规格(概要)

  • 拓扑结构:反激式(隔离)
  • 工作电压(Vcc/辅助或器件允许范围):9.9 V ~ 30 V
  • 开关频率:25 kHz ~ 132.5 kHz(动态工作范围)
  • 器件耗散功率 Pd:0.82 W
  • 集成晶体管耐压(HV MOSFET):700 V
  • 工作模式:QR(准谐振)与 DCM(断续导通)
  • 反馈方式:副边反馈(光耦/精密参考等)
  • 保护特性:过热保护(OTP)、欠压保护(UVP)、过压保护(OVP)、过流保护(OCP)、软启动
  • 工作温度:-40 ℃ ~ +150 ℃
  • 封装:SO‑8(SOIC‑8)

三、功能特性详解

  • 多种运行模式:器件在不同负载下可在 QR 与 DCM 模式间工作。QR 模式在轻载至中载工况能降低开关损耗与 EMI,改善待机效率;DCM 在更高负载下保证简单快速的瞬态响应。
  • 集成高压开关:内置耐压 700 V 开关晶体管(或驱动高压开关),简化了初级开关管选择与外围保护设计,有利于直接连接高压整流后的 DC 总线。
  • 全面保护机制:内置过流、过压、欠压和过温等保护,配合软启动可抑制启动浪涌并提升系统可靠性。副边反馈实现精确稳压输出并方便实现短路/过载自动限流和恢复。
  • 副边反馈实现高精度:使用光耦+参考(如 TL431 类)或直接次级检测电路,可实现低漂移、高精度输出电压控制,并兼容多输出隔离电源的常规解决方案。

四、典型应用场景

  • 手机/平板适配器与桌面电源适配器(中小功率隔离式)
  • 智能家电、机顶盒、网关等消费与工业电子的辅助电源
  • LCD/LED 显示器待机/辅助电源
  • 工业控制模块的隔离式供电单元

五、设计注意点与建议

  • 变压器设计:依据所需输出功率、工作频率范围(25–132.5 kHz)选择合适的磁芯和匝比。QR 工作下应保证泄放能量与输出整流能力匹配,注意漏感吸收与峰值电压控制(RCD、缓冲器或吸收网络)。
  • 将开关损耗与 EMI 考虑进频率选择:较低频率利于降低开关损耗与应力,但会增大变压器体积;QR 模式有利于在轻载减少损耗与 EMI 峰值。
  • 副边反馈实现:常采用光耦 + 精密参考(例如 TL431)进行输出采样与调节,确保补偿网络稳定;注意开环增益带宽和回路补偿,避免在负载突变时振荡。
  • 热设计:器件 Pd=0.82 W 表明在高功耗或高环境温度下需做好散热。SO‑8 封装的引脚和印制板焊盘应做良好热传导,必要时在底层增加铜箔或热铜垫。
  • 布局与接地:高压初级侧布局要紧凑最小化寄生电感,次级侧与初级侧的接地与屏蔽(若需要)应按安全规范布设,确保隔离距离满足安规要求。
  • 保护与启动:软启动功能可减少浪涌电流;外围应配合适当的输入滤波、过压钳位(TVS、MOV)及初级侧限流/熔断设计以应对极端工况。

六、可靠性与封装建议

  • 工作温度范围 -40 ℃ 至 +150 ℃,适合工业级应用,但在高温环境下应注意热限流与器件老化。
  • SO‑8 封装便于自动化贴装与常规模块化设计;对于高功率方案需评估板上铜厚与热阻以保证长期稳态可靠性。

七、选型提示

选择 TEA18363T/1J 时,应确认系统最大输入电压与器件额定 HV 特性匹配,预计输出功率和散热条件可被 Pd 与封装散热能力承受。若需要更高输出或更复杂保护/多通道集成,可比较同类器件的集成度、效率曲线与参考设计资料。

总结:TEA18363T/1J 为一款面向隔离式反激电源的高压控制器,集成丰富保护功能并支持 QR/DCM 工作模式,适用于要求高效率、良好轻载表现和完整保护功能的中小功率隔离电源设计。设计时重点注意变压器选型、热管理和副边反馈回路稳定性。

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