Datasheet4U Logo Datasheet4U.com

LB1945D - Stepping Motor Driver

General Description

GND VCC IA2 IA1 NC No.7633-3/9 LB1945D Block Diagram ENABLE2 PHASE2 SUBGND VREF2 VCC IB1 IB2 www.DataSheet4U.com S-GND Control logic circuit Current selection circuit VBB2 Blanking time OUTB E2 OUTB D-GND VBB1 Thermal shutdown circuit OSC CR D-GND OUTA E1 OUTA Blanking time Control

Key Features

  • PWM current control (external clock).
  • Digital load current selection function (supports 1-2, W1-2, and 2-phase excitation).
  • Built-in high and low side diodes.
  • Simultaneous on state prevention function (through-current prevention).
  • Built-in thermal shutdown circuit.
  • Noise canceling function Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Motor supply voltage Output peak current Output continuous current Logic system supply vol.

📥 Download Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Ordering number : EN7633A www.DataSheet4U.com Monolithic Digital IC LB1945D Overview PWM Current Control Stepping Motor Driver The LB1945D is a PWM current control stepping motor driver that uses a bipolar drive technique. It is optimal for use with the carriage and paper feed stepping motors used in printers.