WMSIC Electronic Components

RENESAS EL7457CSZ-T7 EL7457CSZ

ModelEL7457CSZ-T7
PackageSOIC-16
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS EL7457CSZ-T7
Type
RENESAS
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
EL7457CSZ-T7
Electronic Component
1
Package
SOIC-16
Electronic Component
Gate Driver IC
Electronic Component
0.001g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264865101
Operating Temperature
40℃~+85℃
Operating Voltage
8V~16.5V
Load Type
MOSFET
Current(IOH)
2A
Current(IOL)
2A
Driver Channel Count
4

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

EL7457CSZ-T7 产品概述

EL7457CSZ-T7 是 RENESAS(瑞萨)推出的一款高压侧/低压侧通用栅极驱动器 IC,16-SOIC 封装,非反相输出,专为 MOSFET 驱动而设计。器件提供四路独立驱动通道,并具备使能关断功能,适用于功率变换、逆变器、电机驱动及开关电源等领域。

一、主要功能与特性

  • 四通道栅极驱动,非反相输出,支持高压侧或低压侧工作模式。
  • 驱动能力:灌电流 IOL = 2A,拉电流 IOH = 2A,满足快速充放电栅电容的需求。
  • 工作电压范围:VCC = 8V ~ 16.5V,适配常见功率栅极供电电平。
  • 上升/下降时间:tr = 13.5ns,tf = 13ns,传播延迟 tpLH = 12.5ns,tpHL = 14.5ns。
  • 输入阈值:输入高电平 VIH = 2.4V,输入低电平 VIL = 0.8V。
  • 工作温度范围:-40℃ 至 +85℃。
  • 具备外部使能控制,可在需要时快速关断输出以提高系统安全性。

二、典型应用场景

  • 中小功率马达驱动与驱动桥(H桥/半桥)。
  • DC-DC / AC-DC 开关电源中的功率开关驱动。
  • 电动工具、家电与工业电源模块。
  • 作为 MOSFET 快速开关驱动以降低开关损耗并提高效率。

三、设计要点与推荐实践

  • 电源与去耦:在 VCC 引脚附近放置低 ESR 陶瓷电容(如 0.1µF~1µF)与适量旁路电容,靠近 IC 引脚以抑制瞬态电流。
  • 栅极串联电阻:建议在每路输出与 MOSFET 栅极之间串联适当阻值(基于器件 Ciss 与系统 EMI 要求),平衡开关速度与振铃/电磁干扰。
  • 接地布局:采用单点或短回路布局,减小功率回路与信号地的耦合,避免驱动瞬态注入逻辑供电。
  • 温度与散热:SOIC-16 封装需注意 PCB 铜箔散热与焊盘设计,长期在高温环境下应评估热稳态。
  • 保护与容错:配合驱动器使用栅极钳位、漏电流检测或电流限制电路,以提高系统可靠性。

四、接口与控制建议

  • 输入逻辑兼容常见微控制器电平(VIH = 2.4V,VIL = 0.8V),但在 3.3V 系统中需确认可靠触发。
  • 使能功能可作为快速关断(shutdown)用途,用于故障保护或待机控制,建议在使能切换时先关断 PWM 信号以避免中间状态导致误导通。

五、封装与采购信息

  • 封装:SOIC-16,利于标准化 PCB 布局与自动化贴装。
  • 品牌:RENESAS(瑞萨)。
  • 在选型与布局前,请参阅厂商完整数据手册与应用笔记,确认电压、驱动能力与热特性满足目标系统需求。

本器件以高驱动电流、低延迟响应与通用接口特性,为各种功率开关应用提供可靠的栅极驱动解决方案。

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