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XBLW L9110S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XBLW L9110S(XBLW)
- Type
- XBLW
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XBLW
- Electronic Component
- L9110S(XBLW)
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Stepper Motor Driver IC
- Electronic Component
- 0.155g
- Electronic Component
- 1
- Electronic Component
- BM0265621940
- Operating Temperature
- 20℃~+85℃
- Voltage
- 2.5V~9V
- Output Current
- 800mA
- Integrated Switch
- Electronic Component
- Driver Type
- Driver
- Electronic Component
- Electronic Component
- Electronic Component
- 4000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
L9110S（XBLW芯伯乐）电机驱动芯片产品概述
一、产品核心定位与应用场景概览
L9110S是XBLW（芯伯乐）推出的小功率H桥集成电机驱动芯片，专为微型直流电机、2相微型步进电机的驱动设计，兼顾低功耗与高集成度，适配消费电子、智能家居、小型机器人等领域的电池供电/低压系统需求。
典型应用场景包括：
- 智能家居：智能门锁锁舌电机、小型窗帘电机、扫地机边刷电机；
- 消费电子：玩具车驱动电机、手持云台舵机（微型）、蓝牙音箱振动电机；
- 小型设备：桌面3D打印机进料电机、微型无人机电机（入门级）、智能穿戴设备振动马达；
- 工业辅助：小型传感器云台、自动化流水线微型传送带电机。
二、关键电气参数详解
L9110S的核心参数匹配主流MCU与低压电机需求，具体如下：
参数类别 具体规格 应用价值 控制电压 2.5V~12V 兼容3.3V/5V/12V MCU（如STM32、Arduino），无需电平转换 输出电流 持续800mA，峰值1.5A（典型） 满足大多数微型电机（如Φ10~Φ20mm直流电机）的驱动需求 电源电压 4.5V~12V（与控制电压兼容） 适配5V/9V/12V电池或电源适配器 静态电流 <10μA（典型） 电池供电设备待机功耗低，延长续航 工作温度 -20℃~+85℃ 覆盖室内外常规环境（如智能家居设备、户外玩具）三、SOP-8封装与引脚功能说明
L9110S采用SOP-8贴片封装（尺寸：5.2×6.2mm），体积小巧，适合高密度PCB布局。引脚定义如下（从正面看，引脚1在左上角）：
引脚编号 符号 功能说明 1 IN1 控制输入1（高/低电平控制电机方向） 2 IN2 控制输入2（与IN1配合实现不同工作模式） 3 GND 接地端（双GND设计，降低阻抗） 4 OUT2 电机输出端2（接电机线圈一端） 5 VCC 电源正极（主电源输入） 6 OUT1 电机输出端1（接电机线圈另一端） 7 VCC 电源正极（辅助电源脚，增强电流承载能力） 8 GND 接地端（辅助接地脚，减少压降）双VCC/双GND设计：通过并联电源与接地引脚，降低芯片内部压降，提升大电流输出时的稳定性。
四、可靠性与保护特性
L9110S内置多重保护机制，提升系统可靠性：
- ESD保护：支持±2kV HBM静电防护，避免焊接/使用中静电损坏；
- 过流保护：输出电流超过1.8A时自动限流，防止电机堵转损坏芯片；
- 过温保护：结温超过150℃时关断输出，温度下降后自动恢复；
- 反向电压保护：电源极性接反时（短时间）不损坏芯片，降低误操作风险。
五、典型应用电路与控制逻辑
以STM32控制L9110S驱动直流电机为例，电路设计如下：
- STM32 GPIO（如PA0、PA1）接IN1、IN2；
- VCC接5V/9V电源（匹配电机工作电压）；
- OUT1、OUT2接直流电机两端；
- 电源端并联10μF电解电容+0.1μF陶瓷电容滤波，减少噪声。
控制逻辑：
IN1电平 IN2电平 电机工作状态 高 低 正转 低 高 反转 低 低 刹车（短路） 高 高 待机（开路）六、选型与使用注意事项
- 电源匹配：避免VCC超过12V，否则可能损坏芯片；
- 电流限制：持续输出电流不超过800mA，电机堵转时需及时断电；
- 散热优化：长时间大电流工作（如持续700mA以上），可在芯片底部敷铜或加小型散热片；
- 焊接要求：SOP-8封装焊接温度不超过260℃（回流焊），避免虚焊导致电流承载能力下降；
- 滤波设计：电源端必须并联滤波电容，减少电机换向时的电磁干扰。
L9110S（XBLW）凭借小体积、宽电压兼容、高可靠性等特点，成为微型电机驱动的高性价比选择，适配多种低压场景的实际需求。
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