The LMD18245 is a 3A, 55V DMOS full-bridge motor driver that incorporates all the circuitry required to drive and control current in a brushed type DC motor or one phase of a bipolar stepper motor.
The LMD18245 is a full‑bridge DMOS motor driver designed to drive brushed DC motors or one phase of a bipolar stepper motor. It integrates power switches, current‑sense amplifier, comparator, monostable and a 4‑bit DAC for digital current control.
The handbook includes a general description, features, pin‑out tables, absolute maximum ratings, electrical characteristics, typical performance curves, functional block diagrams, test circuit information and physical dimensions of the 15‑lead TO‑220 package.
| Continuous Load Current | 3 A |
|---|---|
| Peak Load Current | 6 A |
| Supply Voltage Range | +12 V to +55 V |
| Thermal Shutdown Temperature | 155 °C |
| RDS(on) (typical) | 0.3 Ω |
| Package | 15‑lead TO‑220 |
The device can handle a continuous load current of 3 A.
It operates from +12 V up to +55 V.
The LMD18245 comes in a 15‑lead TO‑220 package.
Thermal shutdown is triggered at 155 °C.