CXMD3222H是一款内置霍尔效应传感器芯片的两相半波电机驱动器。它集成了漏极MOS驱动器、高灵敏度霍尔效应传感器、SIP-4L封装的转子锁定事件计时器，使得电机PCBs（印刷电路板）的设计变得容易，尽可能简单地制作出高效率、高压直流电机或风扇。
为了安全起见，锁定关闭功能将关闭IC的内部驱动器，避免转子锁定时过热，IC将在这些驱动器关闭后尝试重新启动转子扭矩。
热关机保护（TSD）确保IC内部驱动器在安全工作温度范围内工作。
上述所有保护机制结合起来，在电机系统中提供完整的保护方案，避免任何可能的损坏，并保证在正确和安全的操作下
具有高灵敏度霍尔效应传感器的电机驱动器
˙开漏MOS驱动器输出
˙锁定关机保护和自动重启功能
˙“软开关”相位开关技术，减少振动和噪声
˙热关机保护（TSD）
˙提供SIP-4L包装
˙用于24伏直流电机/风扇系统
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[ CXMD3222H ]
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档）
5.产品封装图 6.电路原理图 7.相关产品
一,产品概述(General Description)
CXMD3222H is a two-phase half wave motor driver with embedded Hall-effect sensor IC. It integrates a open drain MOS driver, a high sensitivity hall-effect sensor, an event timer for rotor locked in SIP-4L package, which make the motors’ PCBs(printed circuit boards) design easy and fabricate the high efficiency and high voltage DC motors or FANs as simply as possible.
For safety, Lock-shutdown function would turn the IC’s internal drivers off avoiding over-heat when the rotor is locked, and IC will try to re-start the rotor’s torque after the time of these drivers’ shutdown.
Thermal-shutdown protection (TSD) ensures the internal drivers of IC are operating under a safe operating temperature range.
All the protection mechanisms mentioned above combine to provide a complete protecting scenario in the motor system and avoid any possible damages and guarantee under a correct and safe operation
二.产品特点(Features)
˙Motor driver with high sensitivity Hall-effect sensor
˙Open drain MOS driver output
˙Lock-shutdown protection & auto-restart function
˙“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
˙Thermal shutdown protection(TSD)
˙Available in SIP-4L package
˙For 24V DC motor / FAN systems
三,应用范围 (Applications)
Smart motor driver with embedded Hall sensor
四.技术规格书下载（产品PDF）
需要详细的PDF规格书请扫一扫微信联系我们
五,产品封装图 (Package)
六.电路原理图
七,相关芯片选择指南
| 24v便携式直流无刷电机驱动 24V PORTABLE DC FAN App. | ||||||||
| Part No. | VIN | IOUT | Coil Type | Operating | Magnetic | Package | Status | |
| (Min) | (Max) | Temperature | Characteristcs | |||||
| (V) | (mA) | (℃) | (G) | |||||
| CXMD3215 | 2.8 | 28 | 450 | Half Wave | -20 to 85 | ±65/±95/±110 | SIP-4L | MP |
| CXMD3222H | 4.5 | 30 | 350 | Half Wave | -40 to 85 | ±25 | SIP-4L | MP |
| CXMD3223H | 4 | 28 | 300 | Full Wave | -40 to 85 | ±25 | SIP-4L | MP |
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