WMSIC Electronic Components

MPS MP3362GJ-Z

ModelMP3362GJ-Z
PackageTSOT-23-8
BrandMPS
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

20 specifications

Core information

Product name
MPS MP3362GJ-Z
Type
MPS
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MPS
Electronic Component
MP3362GJ-Z
Electronic Component
1
Package
TSOT-23-8
Type
DC-DC
Electronic Component
LEDDriver
Electronic Component
Analog; PWM
Electronic Component
0.221g
Electronic Component
1
Channel Count
1
Features
(OVP); LED; Built-in; (OTP); (SCP)
Electronic Component
BM0264890186
Operating Temperature
40℃~+125℃
Switching Frequency
200kHz~2.2MHz

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

MP3362GJ-Z 产品概述

一、简介

MP3362GJ-Z 是一款用于单串高压 LED 驱动的升压型 DC-DC 开关稳压器,专为需要从低电压供电(最低 3V)提升至高电压驱动单串 LED 应用而设计。该器件集成开关管,采用升压拓扑,单通道输出,可驱动最高 36V 输出并支持高达 4A 的输出电流,封装为紧凑的 TSOT-23-8,适合空间受限的照明和背光解决方案。

二、主要特性

  • 输入电压范围:3V 至 36V(最低启动 3V),适用多种电源场景(电池、车载、适配器)。
  • 输出能力:最高输出电压 36V,输出电流可达 4A,满足单串 LED 或高压负载需求。
  • 开关频率范围:200kHz 至 2.2MHz,可动态调节以在效率、元件尺寸和电磁干扰之间权衡。
  • 调光方式:支持模拟调光与 PWM 调光,便于实现亮度控制与系统集成。
  • 内置开关管,简化外围元件选择与布局。
  • 封装:TSOT-23-8,适合 SMT 安装与紧凑化设计。
  • 工作温度:-40°C 至 +125°C,适用于工业与车载级环境。

三、电气性能与规格(概要)

  • 拓扑结构:升压(Boost),单通道设计适合单串 LED。
  • 输入电压:3V ~ 36V。
  • 输出电压/电流:最大 36V / 4A(实际应用中受电感、二极管、PCB 散热和元件额定值约束)。
  • 开关频率:可配置或内部设定,范围 200kHz ~ 2.2MHz,支持高频化以减小电感/电容尺寸。
  • 调光输入:支持通过外部电压(模拟)或 PWM 信号进行亮度调节。
  • 内建软启动功能以限制启动电流冲击,减少输入电源扰动。

四、保护功能

MP3362GJ-Z 集成多重保护机制,提升系统可靠性:

  • 过压保护(OVP):防止输出电压过高对 LED 或电路造成损害。
  • LED 开路保护:检测单串 LED 开路状态并采取相应保护/限流动作,避免输出不受控升压。
  • 过温保护(OTP):当器件温度超过安全阈值时进入保护状态,防止热损伤。
  • 短路保护(SCP):在输出短路或严重故障时限制电流或关断开关,防止器件损坏。
  • 内置软启动:实现受控启动,降低启动瞬态电流与输入干扰。

五、封装与热特性

  • 封装类型:TSOT-23-8,适合小尺寸应用,但散热能力有限。设计时应重视 PCB 散热路径,使用铜箔扩散热量、增加过孔及接地平面以提升热管理能力。
  • 热管理建议:在高电流或高环境温度条件下,合理选择外部电感和开关元件额定值,优化布局以缩短散热路径,必要时提供外部散热片或更大铜面积。

六、典型应用场景

  • 单串白光 LED 驱动(手电筒、便携灯、装饰照明等)。
  • 车载 LED 照明和信号灯(12V/24V 电源下驱动高压 LED 串)。
  • 背光模块和指示灯驱动。
  • 需要可调亮度控制的便携或工业照明设备。

七、设计与布局要点

  • 开关回路布局:开关节点(开关管、二极管、输出电感)应尽量靠近器件引脚,走线最短,减小环路面积以降低 EMI。
  • 输入滤波与旁路:在 VIN 近旁放置低 ESR 电容(如陶瓷电容)以抑制开关噪声与瞬态电流。建议并联电解/钽电容优化低频滤波。
  • 输出电容与二极管:输出侧使用低 ESR 电容以减小纹波和提升稳定性,采用快恢复或肖特基二极管以降低开关损耗(若器件为同步则视型号而定)。
  • 电感选择:根据工作电流与开关频率选择合适电感,注意饱和电流应高于峰值电流。
  • 调光接口:PWM 调光输入需保证清晰的逻辑电平与适当的上拉/下拉,模拟调光输入需设置合理的电压范围与滤波。
  • 保护与检测:布置测试点以便监测电流与电压,便于调试与故障诊断。

八、选型与参考建议

  • 若需更高输出功率或更高效率,注意核对系统整体散热能力与外围元器件(电感、二极管、电容)额定值。
  • 在车载应用中验证开机浪涌、负载断开及瞬态抗扰能力,确保 OVP、SCP 与开路保护在各种工况下表现可靠。
  • 参考制造商应用笔记与典型电路以获取推荐元件值与布局示意,确保性能与可靠性达到预期。

产品型号:MP3362GJ-Z(MPS),封装 TSOT-23-8。该器件适合追求高度集成、体积小、功能完整的单串 LED 驱动方案,提供灵活的调光方式与全方位保护,便于在便携照明、车载及工业照明等场景中应用。

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