TWO-PHASE STEPPER MOTOR DRIVER

Description The L9935 is a two-phase stepper motor driver circuit suited to drive bipolar stepper motors. The device can be controlled by a serial interface (SPI). All protections required to design a well protected system (short-circuit, over temperature, cross conduction etc.) are integrated.

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STMICROELECTRONICS

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Two-phase stepper motor driver

Features ■ 2 x 1.1 A full bridge outputs ■ Integrated chopping current regulation ■ Minimized power dissipation during flyback ■ Output stages with controlled output voltage slopes to reduce electromagnetic radiation ■ Short-circuit protection of all outputs ■ Error-flag for over load, open

文件：376.99 Kbytes 页数：29 Pages

STMICROELECTRONICS

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二相步进电机驱动器

The L9935 is a two-phase stepper motor driver circuit suited to drive bipolar stepper motors.\n\n The device can be controlled by a serial interface (SPI). All protections required to design a well protected system (short-circuit, over temperature, cross conduction etc.) are integrated. • 2 x 1.1 A full bridge outputs \n• Minimized power dissipation during flyback \n• Short-circuit protection of all outputs \n• Delayed channel switch on to reduce peak currents \n• Standby consumption typically 40 μA \n• Serial interface (SPI);

ST

意法半导体

Package：20-SOIC（0.433"，11.00mm 宽）裸露焊盘；包装：管件 功能：驱动器 - 全集成，控制和功率级 类别：集成电路（IC） 电机驱动器，控制器 描述：IC MTR DRV BIPOLAR 8-24V 20PWRSO

STMICROELECTRONICS

意法半导体

Two-phase stepper motor driver

Features ■ 2 x 1.1 A full bridge outputs ■ Integrated chopping current regulation ■ Minimized power dissipation during flyback ■ Output stages with controlled output voltage slopes to reduce electromagnetic radiation ■ Short-circuit protection of all outputs ■ Error-flag for over load, open

文件：376.99 Kbytes 页数：29 Pages

STMICROELECTRONICS

意法半导体

Two-phase stepper motor driver

Features ■ 2 x 1.1 A full bridge outputs ■ Integrated chopping current regulation ■ Minimized power dissipation during flyback ■ Output stages with controlled output voltage slopes to reduce electromagnetic radiation ■ Short-circuit protection of all outputs ■ Error-flag for over load, open

文件：376.99 Kbytes 页数：29 Pages

STMICROELECTRONICS

意法半导体

Package：20-SOIC（0.433"，11.00mm 宽）裸露焊盘；包装：卷带（TR）剪切带（CT） 功能：驱动器 - 全集成，控制和功率级 类别：集成电路（IC） 电机驱动器，控制器 描述：IC MTR DRV BIPOLAR 8-24V 20PWRSO

STMICROELECTRONICS

意法半导体