WMSIC Electronic Components

MSKSEMI RZ7899-MS RZ7899

ModelRZ7899-MS
PackageSOP-8
BrandMSKSEMI
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

19 specifications

Core information

Product name
MSKSEMI RZ7899-MS
Type
MSKSEMI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
RZ7899-MS
Electronic Component
1
Package
SOP-8
Electronic Component
Brushed DC Motor Driver IC
Electronic Component
0.127g
Electronic Component
1
Integrated FET
Electronic Component
H
1
Features
Current Sampling
Electronic Component
BM0227666906
Resistor
80mΩ
Operating Temperature
25℃~+85℃
Operating Voltage
3V~30V
Output Current
6A

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

RZ7899-MS 产品概述

一、产品简介

RZ7899-MS 是美森科(MSKSEMI)推出的一款高性能 DC 双向马达驱动芯片,集成功率 FET,单通道 H 桥结构,封装为 SOP-8。芯片在 3.0V 至 30V 宽电压范围内工作,最大持续输出电流可达 6A,特别适合对体积、效率与保护功能有较高要求的中小功率直流电机驱动场合。

二、主要性能参数

  • 工作电压:3.0V ~ 30V
  • 最大输出电流:6A(连续)
  • 导通电阻(典型):80 mΩ(注:指 H 桥内阻,低损耗)
  • 静态电流(Iq):约 1 mA(典型)
  • 工作温度:-25℃ ~ +85℃
  • 封装:SOP-8
  • 集成 FET:是(减少外部元件,简化系统设计)
  • 保护功能:过热保护、短路保护、过流保护、紧急停止(EN/FAULT)功能

三、关键特性与优势

  • 低导通损耗:80 mΩ 的超低导通电阻显著降低功率损耗与发热,提升系统效率与续航能力。
  • 宽电压适配:3~30V 的输入范围覆盖常见电池及供电场景(单节锂电至多节串联供电)。
  • 多重保护机制:内置过热、短路与过流保护,并支持外部紧急停止输入,保障电机与系统安全。
  • 集成化高:内置功率 FET 与 H 桥,缩减 PCB 占用与外部元件数量,便于小型化设计。
  • 便于 PWM 控制:支持高频 PWM 驱动,适配速度与扭矩精确控制需求。

四、典型应用

RZ7899-MS 适用于机器人驱动、无人机姿态与推进系统、小型电动工具、智能家居电机、便携式移动设备、玩具与各类自动化控制系统的直流电机驱动。特别适合对体积与能效有严格要求的便携与嵌入式设备。

五、设计与使用建议

  • 散热设计:尽管导通电阻较低,连续 6A 工作下仍需做好 PCB 散热(加大铜箔、布置散热通孔或金属散热片)。
  • 旁路电容:在电源输入端放置低 ESR 电解/固态与高频陶瓷并联,抑制瞬态电流与电源振荡。
  • 布线注意:功率回路尽量短且粗,避免长回流环路;信号地与功率地分离后在单点汇流。
  • PWM 与频率:根据电机与效率需求选择 PWM 频率,注意栅极驱动特性与开关损耗平衡。
  • 保护配置:配合外部熔断器或电流检测电阻可提升保护层次;使用芯片提供的故障引脚便于系统级联动。

六、封装与选型建议

RZ7899-MS 提供 SOP-8 工业封装,适合中小批量手工与自动贴装生产。选型时请根据电机峰值电流、工作占空比与环境温度评估散热方案,必要时选择并联或更大功率级别方案以保证可靠性。

RZ7899-MS 凭借集成化设计、宽电压范围与完善的保护功能,是面向中小功率直流电机控制的可靠解决方案,适合在机器人、智能设备及便携电动产品中快速集成与量产。若需原理图参考或布局示意图,可进一步提供具体应用场景以便给出更精细的设计建议。

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