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Product Detailed Parameters
- Description：IC MTR DRV BIPLR 3.5-50V 20TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Logic
- Technology：DMOS
- Step Resolution：1, 1/2, 1/4, 1/8, 1/16
- Applications：-
- Current - Output：-
- Voltage - Supply：3.5V ~ 50V
- Voltage - Load：3.5V ~ 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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Overview
The A4992KLPTR-T is an automotive dual bridge driver from Allegro MicroSystems, designed for brushed DC motor applications. It features a full-bridge output configuration with an 800 mA output current capability and operates within a load voltage range of 0 V to 50 V. The device supports a parallel interface and includes a 28 V output voltage specification. It functions at a working frequency of 4 MHz with a quiescent supply current of 7 mA. Housed in a TSSOP-20 surface-mount package, it ensures reliable operation across an extended temperature range from -40 °C to +150 °C.
Feature Summary
- Automotive-grade dual bridge driver architecture
- Integrated full-bridge topology for brushed DC motors
- Parallel interface control mechanism
Applications
- Brushed DC motor control in automotive systems
- Dual bridge driver implementations
- Motion control modules requiring high thermal stability
Procurement Notes
Verify the exact part number against official Allegro MicroSystems documentation to confirm specifications. Ensure compatibility with the required TSSOP-20 footprint and automotive environmental standards. Cross-reference datasheet parameters such as operating temperature and voltage ratings before integration.
Selection Notes
Select this component for applications requiring robust automotive-grade performance and dual bridge capabilities. Consider the 800 mA output limit and 50 V maximum voltage rating when designing power stages. Verify that the parallel interface aligns with the system's control logic requirements.
Part Context
This device belongs to the A4990 series family of automotive drivers. It shares similar architectural characteristics with other members like the A4990KLPTR-T, focusing on brushed DC motor solutions. The series emphasizes reliability and thermal performance for demanding automotive environments.
Replacement Considerations
The A4990KLPTR-T is a confirmed substitute within the same product family. Verify pinout compatibility and electrical parameter alignment before replacement.
