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LMD18245 Datasheet PDF

Part Series:LMD18245 Series
Category:Motor Drivers
Description:TEXAS INSTRUMENTS LMD18245T/NOPB Motor Driver/Controller, Full Bridge, 12V to 55V supply, 60V/3A/2Outputs, TO-220-15
Document:LMD18245T/NOPB Datasheet PDF (31 Pages)

LMD18245 Motor Drivers Datasheet PDF

LMD18245T/NOPB - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
15 Pin
Supply Voltage (DC)
48.0 V
Case/Package
TO-220-15
Number of Outputs
2 Output
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LMD18245T/NOPB - TI Function Overview

The LMD18245T/NOPB is a 3A 55V DMOS Full-bridge Motor Driver incorporates all the circuit blocks required to drive and control current in a brushed type DC motor or one phase of a bipolar stepper motor. The multi-technology process used to build the device combines bipolar and CMOS control and protection circuitry with DMOS power switches on the same monolithic structure. It controls the motor current via a fixed off-time chopper technique. An all DMOS H-bridge power stage delivers continuous output currents up to 3A (6A peak) at supply voltages up to 55V. The DMOS power switches feature low RDS(ON) for high efficiency and a diode intrinsic to the DMOS body structure eliminates the discrete diodes typically required to clamp bipolar power stages. An innovative current sensing method eliminates the power loss associated with a sense resistor in series with the motor.
Internal clamp diodes
Low-loss current sensing method
Digital or analog control of motor current
TTL and CMOS compatible inputs
Thermal shutdown (outputs off) at TJ = 155°C
Over-current protection
No shoot-through currents
Green product and no Sb/Br
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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