A4988: 带转换器和过流保护的 DMOS 微步驱动器 A4988 采用表面安装 QFN 封装 (ET),尺寸为 5 mm × 5 mm, 标称整体封装高度为 0.90 mm ，并带有外露散热板以增强散热功能。该封装为无铅封装（后缀 –T），采用 100% 雾锡电镀引脚框。

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丝印代码：4988ET；DMOS Microstepping Driver with Translator and Overcurrent Protection

The A4988 is a complete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A. The A4988 includes a fixed of

ALLEGRO/雅丽高　A4988SETTR-T　 带转换器和过流保护的MOS驱动　技术参数

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封装/外壳：28-VFQFN 裸露焊盘 功能：驱动器 - 全集成，控制和功率级 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC MTR DRVR BIPOLAR 3-5.5V 28QFN 集成电路（IC） 电机驱动器，控制器

Surge Clamping, Transient Overvoltage Suppressor Unidirectional

Description: The NTE4900 series of silicon Transient Suppressors designed to protect voltage sensitive components from high energy voltage transients. Transient over voltage suppressor devices have become very important as a consequence of their high surge capability, extremely fast response time

Silicon NPN Epitaxial Type (PCT Process) Silicon PNP Epitaxial Type (PCT Process)

Switching, Inverter Circuit, Interface Circuit and Driver Circuit Applications ● Including two devices in US6 (ultra super mini type with 6 leads) ● With built-in bias resistors ● Simplify circuit design ● Reduce a quantity of parts and manufacturing process

Needle Tip, Replacement

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Converter from 80-pin 0.65mm-pitch QFP

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