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- LMD18201
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National Semiconductor LMD18201 Datasheet
The LMD18201 is a 3 A H‑Bridge driver designed for motion‑control applications such as DC and stepper motor drives, factory‑automation robots and printers. It combines bipolar and CMOS control circuitry with DMOS power devices on a single monolithic structure, delivering up to 3 A continuous and 6 A peak output current.
The datasheet provides absolute maximum ratings, typical performance curves, pinout details, application information, and recommended external components such as bootstrap capacitors and sense resistors for current monitoring.
National Semiconductor LMD18201 specifications
| Continuous Output Current | 3 A |
|---|---|
| Peak Output Current (200 ms) | 6 A |
| Supply Voltage Range | 12 V to 55 V |
| Thermal Warning Flag Activation Temperature | 145 °C (active‑low) |
| Thermal Shutdown Temperature | 170 °C |
All National Semiconductor LMD18201 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum continuous output current of the LMD18201?
The device can deliver up to 3 A continuous output current.
How can the bridge current be sensed?
By adding a small sense resistor (≤0.1 Ω) between the POWER GROUND/SENSE pin (pin 7) and circuit ground.
What is the maximum continuous output current of the LMD18201?
The device can deliver up to 3 A of continuous output current.
From: National Semiconductor LMD18201 3A 55V H-Bridge Datasheet
How can current be sensed with the LMD18201?
By adding a small sense resistor (≤0.1 Ω) between the POWER GROUND/SENSE pin (Pin 7) and circuit ground; the voltage across the resistor must stay between –1 V and +0.5 V.
From: National Semiconductor LMD18201 3A 55V H-Bridge Datasheet