WMSIC Electronic Components

MICROCHIP TC4428EOA713

ModelTC4428EOA713
PackageSOIC-8
BrandMICROCHIP
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP TC4428EOA713
Type
MICROCHIP
Minimum package
3300 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
TC4428EOA713
Electronic Component
1
Package
SOIC-8
Electronic Component
Gate Driver IC
Electronic Component
0.26g
Electronic Component
1
Electronic Component
BM0258716562
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~18V
Load Type
MOSFET
Current(IOH)
1.5A
Current(IOL)
1.5A
Driver Channel Count
2
(tr)
19ns

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

TC4428EOA713 产品概述

一、产品简介

TC4428EOA713 是 Microchip(美国微芯)系列的双通道 MOSFET 栅极驱动器,面向需要高速、大电流驱动的功率开关场合。器件为 SOIC-8 封装,单芯片提供两个独立驱动通道,典型源/汇电流均为 1.5A,工作电压范围宽至 4.5V~18V,典型上升/下降时间均约 19ns,工作环境温度 -40℃~+85℃(Ta)。该器件适配标准逻辑电平输入,便于与 MCU、FPGA 或逻辑门直接接口,用于驱动功率 MOSFET 或 IGBT 的栅极。

二、主要性能亮点

  • 双通道设计,节省 PCB 空间与器件数量;每通道均可独立控制。
  • 强劲的瞬态驱动能力:1.5A 源/汇电流可快速给栅极充放电,适合中高频开关应用。
  • 宽工作电压:4.5V~18V,兼容常见 5V、12V 系统电源。
  • 快速开关:上升/下降时间约 19ns(典型),减少开关损耗但需重视 EMI 管理。
  • 可靠的工业温度等级:-40℃~+85℃@Ta,适合工业级应用。

三、典型应用场景

  • DC-DC 升降压转换器与同步整流驱动。
  • 电机驱动器与无刷直流电机控制器(BLDC)。
  • 半桥/全桥功率级驱动(低端栅极驱动)。
  • 高频开关电源、LED 驱动与功率因数校正(PFC)前端。
  • 需要快速切换且负载电容较大的功率 MOSFET 驱动场合。

四、封装与热管理建议

SOIC-8 小型封装便于自动贴装,但需要注意器件功耗集中导致的结温上升。建议在 PCB 设计中:

  • VDD 旁放置 0.1µF 低 ESR 陶瓷旁路电容,靠近器件引脚焊盘;同时并联 1µF~4.7µF 的中大容量电容以缓冲瞬态电流。
  • 输出走线尽量短且宽,减小寄生电感;栅极回路(驱动器→栅电阻→MOSFET)为关键回路,要求最短环路。
  • 必要时在器件底部或周围增加铜面积以提升散热,并在多层板上使用散热过孔(thermal vias)引导热流至内层或底层散热平面。

五、设计注意事项与实用建议

  • 驱动损耗与被驱动 MOSFET 的栅极电荷 Qg 及开关频率 f 密切相关,可用近似公式估算驱动器功耗:P ≈ Qg × VDD × f,评估器件温升与所需散热。
  • 为抑制振铃与限制 dV/dt,建议在每个通道输出串联一个小阻值栅极电阻(典型 5Ω~47Ω,依据开关速度与 EMI 要求调整)。
  • 在半桥或并联 MOSFET 场合,注意避免因过快上升沿产生的寄生耦合导致误触发;必要时采用缓启动或死区控制。
  • 输入端建议加下拉或上拉电阻以确保上电/复位期间的确定状态;并在关键节点考虑 RC 滤波以滤除噪声。
  • 使用前请查阅官方数据手册确认器件是否具备内置欠压锁定、短路保护等保护特性,并依据应用添加外部保护电路(例如 TVS 二极管、吸收网络等)。

六、替代与选型提示

Microchip 家族中有多款同类驱动器提供不同极性(反相/非反相)、驱动能力和封装选择。根据系统拓扑(低端/高端驱动、单端/差分控制)与需要的保护特性,选择最合适的型号并参考数据手册进行参数验证。采购型号后缀(如 EOA713)通常与环保等级、包装方式和工厂批次相关,请与供应商确认具体交付信息。

结语:TC4428EOA713 以其宽电压、强驱动与快速开关特性,适合对开关速度与瞬态电流有较高要求的功率电子设计。实际应用中应重点关注 PCB 布局与去耦、栅极阻尼与保护策略,以发挥其最佳性能并保证系统可靠性。

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