内置过流、过热和短路保护功能，使芯片可耐受恶劣的工业环境，进一步降低电路复杂性、器件数量和物料成本。

商品直通车： http://www.szlcsc.com/so/product/details_172083.html

Key Features   芯片亮点

• Operating voltage from 7 to 45 V
• Maximum output current 1.5 Arms
• RDSon HS + LS = 1 Ω typ.
• Microstepping up to 1/256th of step
• Current control with programmable OFF time
• Current sensing based on external shunt resistor
• Full protection set
• Non-dissipative overcurrent protection
• Short-circuit protection
• Undervoltage lockout
• Thermal shutdown
• Standby low consumption
• small outline: QFN24 (体积很小！）

应用电路图（超简洁）

>TMC2224