WMSIC Electronic Components

MPS MP6540HGU-Z

ModelMP6540HGU-Z
PackageQFN-26(5x5)
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 Option 138441

Availability on request

Technical data

Product details

20 specifications

Core information

Product name
MPS MP6540HGU-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
MP6540HGU-Z
Electronic Component
1
Package
QFN-26(5x5)
Electronic Component
BLDC Motor Driver IC
Electronic Component
0.355g
Electronic Component
1
Integrated FET
Electronic Component
Features
Switch; Motor
Electronic Component
3
Electronic Component
BM0264900507
Resistor
45mΩ
Current
6A
Operating Temperature
40℃~+125℃

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

MP6540HGU-Z 产品概述

MP6540HGU-Z 是 Monolithic Power Systems (MPS) 面向三相无刷直流(BLDC)电机与运动控制的三相功率级器件,集成高侧/低侧 FET,支持外部 PWM 与 ENBL 控制信号。器件工作电压范围宽(5.5V–50V),额定输出电流 5A,峰值电流 6A,适合中小功率马达驱动、运动控制与点火类应用。

一、主要特性

  • 工作电压:5.5V ~ 50V,适应多种车载与工业电源环境。
  • 连续输出电流:5A,峰值电流:6A。
  • 集成 FET,单相导通电阻(RDS(on)):45 mΩ(典型)。
  • 静态电流(Iq):800 μA(低待机功耗)。
  • 工作温度:-40 ℃ ~ +125 ℃。
  • 功能:软开关以降低开关损耗与 EMI;马达卡锁(stall/lock)保护;交错导通(interleaving)/防直通保护。
  • 控制接口:PWM 输入与 ENBL(使能)输入,便于与 MCU/电机控制器直接对接。

二、典型应用场景

  • 无刷直流(BLDC)电机驱动(风扇、泵、工业执行器)。
  • 运动控制与舵机驱动单元。
  • 汽车电子中的点火/驱动子系统(需配合系统级保护)。
  • 机器人、自动门与小型电动车等需要三相功率级的场合。

三、电气与热性能要点(设计参考)

  • 导通功耗评估:单只 FET 在连续 5A 时的导通损耗约为 I^2·R ≈ 1.125W(单只),系统级需考虑三相切换与占空比造成的平均损耗。
  • 开关与软开关特性可有效降低开关损耗与 EMI,但仍需在 PCB 上做好回流和散热设计。
  • 推荐在电源输入端使用低 ESR 的大容量去耦电容,靠近器件放置以抑制电压尖峰。
  • 热管理:器件封装(请向 MPS 确认具体封装信息)通常需靠底部散热垫与多层铜箔散热路径,必要时并联散热片或风冷。

四、保护与控制建议

  • 马达卡锁保护:建议配合外部电流/位置检测策略以实现可靠的卡锁检测与重试逻辑,避免过热或机械损伤。
  • 交错导通/防直通保护:保持合理死区时间(dead time),并依据电机驱动波形调整 PWM 相位与占空比以避免直通与增大效率。
  • ENBL 引脚用于快速进入低功耗待机,静态电流仅 800 μA,适合节能场景。

五、布局与调试要点

  • 电源回流路径尽量短且粗,输入电容靠近器件电源引脚放置,保证高电流回路的低阻抗。
  • 关断与上电顺序:遵循 MPS 推荐的上/下电流程,避免在未准备好的状态下施加 PWM 导致异常。
  • 若需精确电流限制或闭环控制,建议外加电流采样电阻并合理布置采样放大或 ADC 采样网络。
  • 在开发初期使用厂商评估板与参考设计,可明显缩短调试周期并验证热与电特性。

六、获取资料与后续工作

  • 封装信息与详细电气参数(如开关特性、PWM 时序、保护门限等)请参考 MPS 官方数据手册或联系代理商获取样片与评估板。
  • 推荐在系统开发阶段进行热仿真与长期可靠性评估,确保在最大环境温度与连续负载下满足热余量与寿命要求。

总结:MP6540HGU-Z 是一颗面向三相中小功率电机控制的集成功率级解决方案,具有宽电压、大电流、低静态功耗与多项保护功能,适合工业与车载等多种场景。具体封装与详细时序参数请以 MPS 数据手册为准,并结合系统实际进行 PCB 与散热设计。

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