A6812KLWTR-T

Overview

The A6812KLWTR-T is a CMOS shift register and latch device manufactured by Allegro Microsystems. It features a 20-bit serial input structure with accompanying data latches and control circuitry. The component provides bipolar sourcing outputs, utilizing PNP active pull-up transistors to drive loads. It operates within an ambient temperature range of -40°C to +150°C. The device is housed in a 24-lead SOIC Wide (SOIC-W) package with a width of 7.5mm. It supports serial interface communication for data input.

Feature Summary

• Integrates a 20-bit CMOS shift register with parallel data latches
• Features bipolar sourcing outputs with PNP active pull-up transistors
• Supports high-speed serial data input with controlled output slew rates

Applications

• Automotive lighting systems
• High-brightness LED matrix drivers
• Industrial display backplanes

Procurement Notes

Verify the specific suffix 'KLWTR-T' against official Allegro MicroSystems documentation to confirm the exact tape-and-reel packaging configuration and lead-free status. Ensure the procurement source provides valid traceability for automotive-grade components operating at elevated temperatures up to 150°C. Cross-reference the datasheet revision history to confirm compatibility with current manufacturing standards.

Selection Notes

Select this component when a high-density shift register with robust bipolar output capability is required for automotive or industrial environments. The SOIC-W package facilitates surface-mount assembly on standard PCB footprints. Consider the 20-bit capacity for applications requiring extensive parallel output expansion from a minimal serial interface. Verify thermal management requirements given the wide operating temperature range.

Part Context

This part belongs to the A68xx series of motor and lighting driver controllers from Allegro MicroSystems. These devices are designed for demanding automotive applications, offering integrated protection features and high reliability. The A6812 variant specifically focuses on shift register functionality with active pull-up outputs, distinguishing it from pure gate drivers or linear regulators within the same product family.

Replacement Considerations

The older UCN/UCQ5812-F series is noted as a predecessor. Check Allegro MicroSystems official substitution guides for direct pin-compatible alternatives if the A6812KLWTR-T is unavailable. Ensure any substitute maintains the 20-bit shift register architecture and bipolar sourcing output characteristics.