WMSIC Electronic Components

RICHTEK RT9300AGE

ModelRT9300AGE
PackageSOT-23-6
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
RICHTEK RT9300AGE
Type
RICHTEK
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RICHTEK
Electronic Component
RT9300AGE
Electronic Component
1
Package
SOT-23-6
Electronic Component
LEDDriver
Electronic Component
PWM
Electronic Component
0.039g
Electronic Component
1
Channel Count
4
Features
(OTP)
Electronic Component
BM0230063774
Operating Temperature
40℃~+85℃
Electronic Component
5%
Output Current
20mA

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

RT9300AGE 4通道低压差LED驱动/稳压器产品概述

RT9300AGE是台湾立锜科技(RICHTEK)推出的一款4通道低压差电源管理器件,兼具精准恒流输出与PWM调光能力,专为小尺寸、低功耗场景下的多LED指示/驱动需求设计。其紧凑的SOT-23-6封装与宽电压、宽温工作特性,使其成为便携电子、小型家电及IoT终端的理想选择。

一、品牌与核心定位

立锜科技作为全球知名的电源管理芯片厂商,以高集成度、高可靠性的电源解决方案著称。RT9300AGE定位为低成本、小体积、多通道的LED驱动/稳压器,针对传统单通道器件需多芯片并联的痛点,集成4路独立恒流输出通道,有效简化电路设计、降低PCB空间占用。

二、关键参数与性能亮点

1. 宽电压输入与稳定输出

  • 输入电压范围:2.5V~5.5V DC,适配主流低功耗系统供电(如3.3V、5V),兼容电池供电(纽扣电池、锂聚合物电池)与线性电源输出;
  • 单通道输出电流:额定20mA,满足常规LED(0603、0805封装)驱动需求;5%恒流精度保证多LED亮度一致性,避免同屏亮度差异。

2. 调光与保护功能

  • PWM调光支持:支持数字PWM信号调光,调光范围宽,可通过MCU直接控制亮度(无需模拟调光电阻),适配智能设备的亮度动态调节需求;
  • 过温保护(OTP):内置温度检测电路,当芯片结温超过阈值(典型150℃左右)时自动启动保护,降低输出电流或关断通道,防止器件过热损坏,提升长期可靠性。

3. 环境适应性

  • 工作温度范围:-40℃~+85℃,覆盖工业级与消费级应用场景(如户外便携设备、冷库附近的小型终端);
  • 存储温度范围:-65℃~+150℃,满足运输与存储的极端环境要求。

三、封装与应用适配

1. 小尺寸封装

采用SOT-23-6封装(尺寸约2.9mm×1.6mm),属于超小型表面贴装封装,引脚间距1.3mm,兼容自动化贴装工艺,适合高密度PCB设计(如智能手环、蓝牙耳机的内部空间)。

2. 引脚功能简化

6引脚设计包含电源输入、接地、PWM调光、4路输出等核心功能,无需额外控制引脚,进一步降低设计复杂度(具体引脚定义可参考立锜官方 datasheet)。

四、典型应用场景

RT9300AGE的特性使其广泛适配以下场景:

  1. 便携电子设备:智能手环、蓝牙耳机、智能手表的多LED状态指示(充电、蓝牙连接、电量等级);
  2. 小型家电:电饭煲、加湿器、空气净化器的LED显示面板(多指示灯组合);
  3. IoT终端:低功耗传感器节点、智能门锁的状态告警灯;
  4. 工业控制模块:小型PLC、传感器模块的LED状态灯(需宽温与可靠性)。

五、设计注意事项

  1. 电源滤波:输入引脚并联0.1μF陶瓷电容,滤除高频噪声,保证输入电压稳定;
  2. 负载匹配:单通道输出电流不超过20mA,避免并联过多LED导致过载;
  3. PWM频率:建议PWM调光频率在1kHz~100kHz之间,避免LED闪烁(人眼可感知频率需避开);
  4. 散热优化:高负载下可在PCB输出引脚附近增加铜箔面积,辅助散热,提升OTP保护阈值下的工作稳定性。

六、产品价值总结

RT9300AGE通过4通道集成、精准恒流、PWM调光、宽温保护等核心特性,平衡了“小体积、低成本、高可靠性”三大需求,解决了传统多LED驱动方案的“多芯片并联、空间占用大、亮度不一致”痛点。结合立锜科技的成熟工艺,是便携设备、小型家电及IoT领域多LED指示场景的高性价比选择。

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