L6219 Dual H-Bridge Stepper Motor Driver IC 46V 1.4A DIP-24

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L6219 Dual H-Bridge Stepper Motor Driver IC 46V 1.4A DIP-24 The L6219 is a monolithic dual full-bridge (dual H-bridge) motor driver IC from STMicroelectronics, designed to drive the two windings of a bipolar stepper motor or two independent brushed DC motors. Each bridge delivers up to 1.4A from a single supply of up to 46V, and the logic inputs are TTL-compatible for direct interfacing with 5V microcontrollers and control logic. Bridge current can be regulated externally via PWM/chopper control, allowing precise phase-current setting in stepper applications. On-chip thermal shutdown protects the device against overtemperature, and the through-hole DIP-24 package makes it easy to use on breadboards, prototyping boards, and socketed repair work — a popular replacement part for classic printer, plotter, and industrial motion-control boards. Features Dual independent full-bridge (H-bridge) output stages Output current capability up to 1.4A per bridge Wide operating supply voltage range — up to 46V Drives one bipolar stepper motor (both phases) or two DC motors TTL-compatible logic inputs Supports external chopper/PWM current regulation for precise stepper phase-current control Built-in thermal shutdown protection Standard 24-pin DIP through-hole package Specifications Parameter Value Part Number L6219 Manufacturer STMicroelectronics IC Type / Function Dual Full-Bridge (Dual H-Bridge) Motor Driver Package DIP-24 (Through-Hole) Number of H-Bridges 2 (4 outputs total) Motor Types Supported Bipolar Stepper Motor, Brushed DC Motors Operating Supply Voltage Up to 46 V Output Current (per Bridge) Up to 1.4 A Logic Input Compatibility TTL Current Regulation External PWM / Chopper Control (e.g., with ST L6506) Built-in Protection Thermal Shutdown Mounting Type Through-Hole Number of Pins 24 Applications Bipolar stepper motor drivers — printers, plotters, scanners, fax machines, office automation Dual brushed DC motor drives — robotics, small vehicles, actuators Industrial motion control and positioning systems Repair/restoration of legacy motor-drive boards Educational and lab projects — H-bridge fundamentals and stepper current control Package Content 1 x L6219 Dual H-Bridge Stepper Motor Driver IC 46V 1.4A DIP-24 DataSheet L6219