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XTX XTM4208AS8CT
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XTX XTM4208AS8CT
- Type
- XTX
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XTX
- Electronic Component
- XTM4208AS8CT
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Brushed DC Motor Driver IC
- Electronic Component
- 1.036g
- Electronic Component
- 1
- Features
- Electronic Component
- Electronic Component
- BM0264754555
- Resistor
- 2Ω
- Current
- 800mA
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.4V~18V
- Output Current
- 500mA
- Static Current(Iq)
- 100nA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
XTM4208AS8CT 产品概述
XTM4208AS8CT 是芯天下（XTX）面向消费类及中低压、电池供电运动控制应用推出的一款全集成直流有刷电机驱动器。器件支持电机正转、反转、停止与主动制动四种工作模式，适用于小型玩具、便携设备、智能家居及微型机器人等场景。器件采用 SOP-8 封装，集成度高、外围器件少，便于快速应用与量产。
一、主要参数
- 工作电压：2.4V ~ 18V
- 连续输出电流：500mA（典型）
- 峰值输出电流：800mA（瞬态）
- 导通电阻（Rds(on)）：2Ω（典型）
- 静态电流（Iq）：100nA（极低待机功耗）
- 工作温度范围：-40℃ ~ +85℃
- 封装：SOP-8
- 功能特性：全集成 H 桥，支持主动制动
二、功能亮点
- 全集成 H 桥结构，直接驱动单颗直流有刷电机，支持双向转动与刹车控制；
- 极低静态电流（100nA），非常适合电池供电场景延长待机时间；
- 宽工作电压覆盖常见电池组与电源（单节至多节锂电/镍氢）；
- 主动制动功能可快速停车，提高控制精度与响应速度；
- SOP-8 封装便于自动贴片生产与成本控制。
三、典型应用场景
- 手持与便携设备的驱动与驱动控制（如微型风扇、震动马达）；
- 玩具、手办与小型无人平台的驱动系统；
- 智能家居执行器（小门锁、小窗帘）与微型执行单元；
- 教育与消费类机器人、舵机替代场合。
四、设计与使用建议
- 电源旁路：在器件电源引脚附近放置低等效串联电阻（ESR）陶瓷电容（如 1μF–10μF）并配合 10–47μF 的电解/钽电容作能量缓冲，以抑制马达反冲与瞬态电压；
- 布线与散热：尽量缩短电流回路走线、加宽电源与接地走线，SOP-8 通过 PCB 铜箔散热；在连续 0.5A 工作时注意 PCB 温升和热阻，必要时提高铜箔面积；
- 峰值电流管理：峰值 0.8A 为瞬态能力，长时间超过 0.5A 会导致器件发热并可能触发热保护或降低寿命；建议在应用中使用合理的 PWM 占空比或外部限流保护；
- 主动制动注意事项：制动过程会把电机动能回馈到电源，若电源对回馈敏感，应采取吸收电阻或能量回收措施以防电压回升过高；
- EMC 与抑制：为减少电磁干扰，建议在电机两端并联抑制电容或 RC 网络，并在 PCB 布局上保持高频回路紧凑。
五、可靠性与选型提示
XTM4208AS8CT 在 -40℃ 至 +85℃ 的工业级温度范围内工作，适合多数消费及工业便携场合。选型时关注实际运行电流与散热条件，若长期高负载或需要更低导通损耗，应考虑更低 Rds(on) 或更高电流等级的驱动器。对于关键应用，可在样机阶段进行热仿真与电磁兼容验证。
总结：XTM4208AS8CT 以其宽电压范围、低静态功耗与主动制动功能，为中低压、以电池供电为主的运动控制类产品提供了简单、高效且成本友好的驱动解决方案。
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