WMSIC Electronic Components

RENESAS EL7457CLZ-T7 EL7457CLZ

ModelEL7457CLZ-T7
PackageQFN-16(4x4)
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 EL7457CLZ-T7
Type
RENESAS
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
EL7457CLZ-T7
Electronic Component
1
Package
QFN-16(4x4)
Electronic Component
Gate Driver IC
Electronic Component
0.001g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264369413
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.

EL7457CLZ-T7 栅极驱动器产品概述

一、产品定位与核心属性

EL7457CLZ-T7是瑞萨电子推出的4通道栅极驱动器IC,支持高压侧/低压侧双向驱动,采用非反相输出逻辑,封装为16引脚QFN(4×4mm)紧凑尺寸,专为中小功率电力电子系统设计,兼顾高速开关性能与工业级可靠性。

二、关键电气参数详解

该器件的核心电气特性可覆盖多数工业及消费电子场景需求,关键参数如下:

  1. 驱动能力:灌电流(IOL)与拉电流(IOH)均达2A,可快速充放电功率MOSFET/IGBT的栅极电容,确保功率管高效导通/关断;
  2. 开关速度:上升时间(tr)13.5ns、下降时间(tf)13ns,ns级开关响应适配kHz级高频应用(如开关电源、高速电机驱动);
  3. 工作电压:8V~16.5V宽电压范围,覆盖12V主流系统电源轨,无需额外稳压电路;
  4. 输入逻辑:输入高电平(VIH)≥2.4V、低电平(VIL)≤800mV,兼容TTL/CMOS逻辑电平,可直接对接MCU/DSP等控制单元;
  5. 功耗表现:静态电流(Iq)仅800μA,待机功耗低,适合对功耗敏感的便携式或电池供电系统;
  6. 温度范围:-40℃~+85℃工业级温度特性,适应户外、车载等恶劣环境。

三、封装与引脚设计

EL7457CLZ-T7采用QFN-16(4×4mm)封装,具有以下优势:

  • 紧凑尺寸:4×4mm封装节省PCB空间,适合高密度电路设计(如小型快充、无人机动力模块);
  • 散热性能:QFN封装通过底部焊盘增强热传导,降低工作时的结温,减少热失效风险;
  • 引脚功能:4个独立驱动通道(非反相输出),配合电源、地及输入引脚,支持半桥/全桥拓扑结构(如2个半桥组成全桥驱动)。

四、核心性能优势

  1. 高集成度:单芯片集成4通道驱动,减少分立器件数量,降低物料成本与PCB设计复杂度;
  2. 低开关损耗:2A大电流驱动+ns级开关速度,减少功率管导通/关断时的损耗,提升系统整体效率(如开关电源效率可提升1%~2%);
  3. 宽适配性:高压侧/低压侧兼容设计,适配不同拓扑的功率电路;工业级温度范围覆盖多数应用场景(如户外充电桩、车载辅助系统);
  4. 低干扰性:输入逻辑电平稳定,配合高速开关特性,减少系统电磁干扰(EMI),降低EMC设计难度。

五、典型应用场景

EL7457CLZ-T7广泛应用于以下领域:

  1. 开关电源:AC-DC适配器、DC-DC升压/降压转换器(如笔记本电脑充电器、LED驱动电源);
  2. 电机驱动:小型BLDC无刷电机、伺服电机的功率级驱动(如智能家电、小型工业机器人);
  3. 工业控制:PLC模块、伺服驱动器的功率输出级;
  4. 车载电子:电动座椅、车窗升降、空调风机等辅助系统的驱动电路;
  5. 消费电子:高性能快充充电器、无人机动力系统的辅助驱动。

六、应用注意事项

为确保器件稳定工作,需注意以下要点:

  1. 栅极电阻匹配:根据功率管栅极电容(Ciss)选择合适的栅极电阻(通常10Ω~100Ω),避免过冲或振荡;
  2. 电源去耦:在器件电源引脚(VCC)附近并联0.1μF陶瓷电容,抑制高频噪声;
  3. 热管理:QFN封装需通过PCB敷铜增强散热,若工作在高负载下,可增加小型散热片;
  4. 电平匹配:输入信号需严格符合VIH/VIL要求,避免电压不足导致误触发或驱动失效。

该器件凭借高集成度、高速性能与工业级可靠性,成为中小功率电力电子系统的理想栅极驱动方案。

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