WMSIC Electronic Components

MPS MPQ3364GR-AEC1-Z

ModelMPQ3364GR-AEC1-Z
PackageQFN-24(4x4)
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 23+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
MPS MPQ3364GR-AEC1-Z
Type
MPS
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MPS
Electronic Component
MPQ3364GR-AEC1-Z
Electronic Component
1
Package
QFN-24(4x4)
Type
DC-DC
Electronic Component
LEDDriver
Electronic Component
Analog; PWM
Electronic Component
0.08g
Electronic Component
1
Channel Count
4
Features
(OVP); LED; Built-in; (OTP); (SCP)
Electronic Component
BM0228046048
Operating Temperature
40℃~+125℃
Switching Frequency
340kHz~2.42MHz

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

MPQ3364GR-AEC1-Z 产品概述

一、产品简介

MPQ3364GR-AEC1-Z 是 MPS(Monolithic Power Systems)推出的一款高集成度四通道升压恒流 LED 驱动器,单通道输出电流最高可达 150 mA。器件集成了开关管并采用升压拓扑,适用于多通道 LED 驱动场景,提供模拟与 PWM 两种调光方式,支持车辆级工作温度范围,适配苛刻工业与汽车应用环境。器件封装为 QFN-24(4 × 4),利于 PCB 空间受限的设计。

二、主要特性

  • 类型:DC-DC 升压型 LED 驱动器(4 通道)
  • 工作电压(DC):3.5 V ~ 36 V
  • 开关频率:340 kHz ~ 2.42 MHz(可配置/可变)
  • 通道数:4(独立恒流输出)
  • 最大输出电流:150 mA/通道
  • 恒流精度:典型 2.5%(器件级精度)
  • 调光方式:模拟调光(模拟电压/电流调节)、PWM 调光
  • 内置开关管:是(无需外置功率 MOSFET)
  • 拓扑结构:升压(Boost)
  • 保护功能:过压保护(OVP)、LED 开路保护、软启动、过温保护(OTP)、短路保护(SCP)
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 封装:QFN-24(4 × 4)
  • 典型应用:车用照明、仪表照明、背光与装饰照明等

三、功能与保护说明

MPQ3364GR-AEC1-Z 在提高系统可靠性方面做了多重设计:

  • 软启动(Soft‑Start):启动时限制输入冲击电流与浪涌,减少对上游电源的冲击,优化启动过程的电压过冲和应力。
  • 过压保护(OVP):当输出或检测端出现异常高压时,器件可进入保护或关断态以防止下游器件损坏。
  • LED 开路保护:单通道 LED 若开路时,器件能检测并采取保护动作,避免其他通道或器件误工作。
  • 短路保护(SCP):当输出发生短路或显著过流时,器件可限制电流并采取复位或周期性重试机制以保护器件与系统。
  • 过温保护(OTP):在器件结温超限时,自动限制或关闭输出以防止热失效,待温度恢复后恢复工作。

(具体保护阈值与行为请参考厂商数据手册以获得完整准确参数和时序说明。)

四、典型应用场景

  • 汽车内外照明:仪表盘、行车灯、尾灯、日间行车灯(满足宽输入、Wide VIN),适配车辆供电瞬态与电压波动。
  • 仪表与显示背光:多通道并独立调光场景,如组合仪表背光、中心显示器边缘照明。
  • 工业与商业照明:标识牌、装饰灯、走廊与楼宇照明等需要多路恒流且可调光的场合。
  • 手持设备与便携式照明:在 3.5 V 起步输入电压下可驱动多颗白光 LED 或串联组合。

五、设计要点与布局建议

为保证 MPQ3364GR-AEC1-Z 在实际电路中的性能与可靠性,建议在设计与 PCB 布局时注意以下要点:

  • 电源旁路:在 VIN 与地之间放置低 ESR 陶瓷电容器(靠近 IC 的引脚)以抑制开关噪声与瞬态,降低输入电压纹波。
  • 开关节点最短化:开关节点(LX/开关管节点)走线尽量短且靠近器件,减少寄生电感与 EMI。
  • 散热处理:QFN 底部热焊盘(thermal pad)焊接并通过散热过孔或多层铜皮扩散热量;在高环境温度或高负载下考虑额外散热途径。
  • 电感与整流:选择电感电流等级大于最大工作电流并具有低直流阻抗(DCR),根据开关频率与输出功率平衡尺寸与损耗。若设计非同步整流,请选用低正向压降的肖特基二极管;若采用同步整流方案,按数据手册及参考设计实现。
  • 反馈与恒流设定:按照器件的恒流设定方式使用精密阻值元件设定通道电流,保证恒流精度;避免噪声耦入反馈网络。
  • 布局与 EMI:在开关节点与敏感模拟节点之间保持足够间距;必要时加入共模/差模滤波与屏蔽措施以满足 EMC 要求。

六、热管理与可靠性

器件支持 -40 ℃ 至 +125 ℃ 的扩展温度范围,适配汽车级与工业级应用。高电流或高环境温度条件下,建议根据功耗估算结温并采取降额策略(降低通道电流或散热增强),以延长器件寿命并保证稳定性。

七、封装与采购信息

  • 品牌:MPS(Monolithic Power Systems)
  • 型号:MPQ3364GR-AEC1-Z
  • 封装:QFN-24(4 × 4)
  • 标称规格:4 通道、每通道最大 150 mA、工作电压 3.5 V~36 V

总结 MPQ3364GR-AEC1-Z 面向需要多通道、高集成与高可靠性的升压恒流 LED 驱动应用,提供宽输入电压、高精度恒流输出与多重保护功能。遵循厂商数据手册中的参考电路与布局指南,可在汽车与工业等苛刻环境下实现稳定的照明驱动解决方案。若需要电路参考或布局示意,请提供具体应用场景与电气参数,我可基于数据手册给出更具体的参考建议。

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