This part is a kind of semiconductor called MTD2007F.
Function of this product has MOTOR CONTROLLER.
Manufacturers : Shindengen Electric
Image and pinout :

Some of the text within the PDF file :
ŎŕŅijııĸŇ ․ عണዋ Features ٨ ቯชᵹᓮᯏƫዄᵄᢙ࿕ቯઁޔബᑼዅ ٨ 2bit ቯชᵹࡌ࡞ಾᦧนƫዄጚ W1-2 ⋧ബ⏛ኻᔕዅ ٨ ȴേᷫ؞ಾᦧᯏƫ ٨ ࡁࠗ࠭ࠠࡖࡦ࡞ᯏƫ ٨ ชᵹᱛᯏƫ ٨ ᾲࠄᯏƫ ٨ ੂ࣐ชജๆ࠳ࠗࠝ࠼ౝЯ ٨ Constant Current Control Function (Fixed Frequency PWM Control) ٨ 2-Bit Degital Current Selection (Can Operate Quarter Step Operation) ٨ Automatic Current Decay Function ٨ Noise Cancellation Function ٨ Cross Conduction Protection ٨ Thermal Shutdown Function ٨ Built-in Flywheel and Flyback Diodes ⛘ عኻᦨᄢቯᩰዋ Absolute Maximum Ratings ິޓޓ⋡ޓParameter ࡠࠫ࠶ࠢชḮช Logic Supply Voltage ࡠࠫ࠶ࠢജช Logic [ ... ]
MTD2007F PDF Datasheet Download
