LMD18245T - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LMD18245T
Manufacturer

TI
ChipWorker Part#

CW23712992
Category

Motor Driver
Package

TO-220-15
Description

TEXAS INSTRUMENTS LMD18245T Motor Driver/Controller, Full Bridge, 12V to 55V supply, 60V/3A/2Outputs, TO-220-15
Documentation

Datasheet

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LMD18245T Specifications

Attribute	Attribute Value

Part Number	LMD18245T
Manufacturer	TI
ChipWorker Part#	CW23712992
Category	Motor Driver
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	15 Pin
Case/Package	TO-220-15
Supply Voltage (DC)	12.0V (min)
Voltage Rating (DC)	55.0 V
Number of Outputs	2 Output
Output Voltage	55 V
Output Current	3 A
Number of Channels	2 Channel
Number of Positions	15 Position
Power Dissipation	3500 mW
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	3500 mW
Supply Voltage	12V ~ 55V
Supply Voltage (Max)	55 V
Supply Voltage (Min)	12 V
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Size-Height	10.69 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The LMD18245T is a Full-bridge Power Amplifier 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. A four-bit digital-to-analogue converter (DAC) provides a digital path for controlling the motor current and by extension.
DMOS power stage rated at 55V and 3A continuous
Low RDS (ON) of typically 0.3R per power switch
Internal clamp diodes
Low-loss current sensing method
Digital or analogue control of motor current
TTL and CMOS compatible inputs
Thermal shutdown (outputs off) at TJ = 155°C
Overcurrent protection
No shoot-through currents
For higher resolution applications, an external DAC can be used
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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