A4990KLPTR-T

$3.58

Description：IC MTR DRV BIPOLAR 0-50V 20TSSOP
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ee6f749b175c Category: Motor Drivers, Controllers Brand: Allegro MicroSystems

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Product introduction

Product Detailed Parameters

Description：IC MTR DRV BIPOLAR 0-50V 20TSSOP
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)
Motor Type - Stepper：Bipolar
Motor Type - AC, DC：Brushed DC
Function：Driver - Fully Integrated, Control and Power Stage
Output Configuration：Half Bridge (4)
Interface：Parallel
Technology：DMOS
Step Resolution：-
Applications：-
Current - Output：800mA
Voltage - Supply：0V ~ 50V
Voltage - Load：0V ~ 50V
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：20-TSSOP-EP
Grade：Automotive
Qualification：-

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A4990KLPTR-T

Overview

The A4990KLPTR-T is an automotive dual bridge driver manufactured by Allegro Microsystems, designed for brushed DC motor applications. It features a parallel interface and operates within a supply voltage range of 0 V to 50 V. The device delivers an output current of 800 mA with a typical operating supply current of 7 mA. It is housed in a TSSOP-20 surface-mount package and supports an extended industrial temperature range from -40 °C to +150 °C.

Feature Summary

Automotive-grade dual bridge architecture optimized for brushed DC motor control
Parallel interface configuration for simplified system integration
Extended thermal performance supporting operation up to +150 °C

Applications

Automotive brushed DC motor drive systems
Industrial motion control applications requiring high thermal stability
Ignition controller and driver circuits

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when ordering. Confirm that the TSSOP-20 package dimensions align with your PCB footprint requirements. Ensure the design accommodates the 0 V to 50 V supply voltage range and the 800 mA output capability. Check for RoHS compliance documentation if required by your manufacturing standards.

Selection Notes

Select this component when an automotive-rated dual bridge driver is needed for brushed DC motors. It is suitable for designs requiring a parallel interface rather than serial communication. Consider the TSSOP-20 package size and the -40 °C to +150 °C operating range against your environmental constraints. Verify that the 800 mA output current meets the load requirements of your specific motor application.

Part Context

This part belongs to the Allegro A4990 series of automotive dual bridge drivers. It is distinct from other Allegro motor drivers like the A4980 or A4939, which serve different motor types such as stepper or BLDC motors. The KLPTR-T designation specifies the automotive grade, LP (Low Profile) TSSOP-20 package, and reel packaging format.