WMSIC Electronic Components

RICHTEK RT9624FGQW

ModelRT9624FGQW
PackageTDFN-8-EP(3x3)
BrandRICHTEK
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
RICHTEK RT9624FGQW
Type
RICHTEK
Minimum package
1500

Technical parameters

Electronic Component
RICHTEK
Electronic Component
RT9624FGQW
Electronic Component
1
Package
TDFN-8-EP(3x3)
Electronic Component
(SCP)
Electronic Component
Gate Driver IC
Electronic Component
0.096g
Electronic Component
1
Features
Built-in Diode
Electronic Component
BM0230063864
Operating Temperature
40℃~+125℃
Operating Voltage
4.5V~13.2V
Load Type
MOSFET
Driver Channel Count
2
(tr)
25ns
(tf)
12ns

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

RT9624FGQW 产品概述

一、型号与基本参数

RT9624FGQW 为 RICHTEK(立锜)出品的双通道 MOSFET 栅极驱动芯片,封装为 TDFN-8-EP(3×3)。主要电气参数如下:

  • 驱动通道:2 路,用于驱动功率 MOSFET
  • 工作电压:4.5V ~ 13.2V,适配 5V/12V 等常见系统电源
  • 上升时间 tr:25ns;下降时间 tf:12ns,具备较快的开关响应
  • 输入阈值:VIH = 2.3V,VIL = 1.4V,可与 2.5V/3.3V 逻辑电平兼容
  • 静态电流 Iq:120µA(低静态耗电)
  • 特性:集成短路保护(SCP)功能
  • 工作温度范围:-40°C ~ +125°C

二、功能亮点与适用场景

RT9624FGQW 的优势在于低静态电流与较快的栅极驱动速度,适合对效率和开关性能有要求的电源管理场景。集成短路保护有助于降低 MOSFET 在异常工作时的损伤风险。典型应用包括:

  • 同步降压(Synchronous Buck)转换器的高/低端栅极驱动
  • 电机驱动与功率开关模块
  • 车载 12V 电源管理与点火/负载控制(工作电压可覆盖 12V 汽车系统)
  • 服务器、电信等高频开关电源场景

三、设计考虑与建议

为发挥 RT9624FGQW 性能并保证系统可靠性,建议在 PCB 设计与元件选型时注意以下要点:

  • 电源去耦:在芯片 VCC 引脚附近放置低 ESR 陶瓷电容(例如 0.1µF)并尽量靠近引脚布局,抑制瞬态电流和振铃。
  • 栅极阻尼:根据被驱动 MOSFET 的栅极电荷和系统电磁兼容要求,选择合适的门极电阻(按需使用串联电阻或并联阻尼)。
  • 接地与回流:保持驱动器与 MOSFET 的驱动回路短而直接,避免长回流环路以减少 EMI 与寄生振荡。
  • 热管理:TDFN-8-EP 带导热焊盘(EP),建议将 EP 与 PCB 散热层或铜箔连接以提高散热能力,并遵循厂商的焊盘与过孔建议。
  • 短路保护校验:SCP 为保护功能,但具体触发阈值与行为(如定时/重试)请参考完整数据手册并在系统中验证。

四、封装与可靠性

TDFN-8-EP(3×3)封装适合紧凑布局与较好散热,典型工业级工作温度覆盖 -40°C 至 +125°C,适用于工业与车规级附近应用。芯片低 Iq 有利于待机能耗控制,配合快的 tr/tf,可支持较高开关频率的设计。

五、选型与使用建议

在选用 RT9624FGQW 时,需结合系统的 MOSFET 门极电荷(Qg)、最大开关频率与电磁兼容要求来设置门极电阻与 PCB 布局。建议阅读 RICHTEK 提供的完整数据手册以获取引脚定义、典型应用电路、SCP 行为细节及推荐 PCB 焊盘信息,以便实现最优的电源与热性能。

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