A6818SEPTR

Description：IC PWR DRVR BIPOLAR 1:32 44PLCC
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR)

SKU:67b74baa8130 Category: Power Distribution Switches, Load Drivers Brand: Allegro MicroSystems

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Product introduction

Product Detailed Parameters

Description：IC PWR DRVR BIPOLAR 1:32 44PLCC
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR)
Switch Type：Latched Driver
Number of Outputs：32
Ratio - Input:Output：1:32
Output Configuration：High Side
Output Type：Bipolar
Interface：Strobe, Serial
Voltage - Load：60V (Max)
Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
Current - Output (Max)：40mA
Rds On (Typ)：-
Input Type：Non-Inverting
Features：-
Fault Protection：-
Operating Temperature：-20°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：44-PLCC (16.59x16.59)
Package / Case：44-LCC (J-Lead)
Grade：-
Qualification：-

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A6818SEPTR

Overview

The A6818SEPTR is a 32-bit serial input latched source driver manufactured by Allegro MicroSystems. It integrates a CMOS shift register, data latches, and bipolar sourcing outputs with PNP active pull-downs. The device operates on a 3V to 5.5V supply voltage and supports a maximum load voltage of 60V. It features a 40mA maximum output current capability and utilizes a 44-PLCC surface-mount package measuring 16.59x16.59mm. The component supports parallel and serial interfaces with non-inverting input types.

Feature Summary

Integrates 32-bit CMOS shift register and data latches with bipolar sourcing outputs
Includes PNP active pull-downs for improved drive performance
Features controlled output slew rate and high-speed data storage capabilities

Applications

Vacuum-fluorescent display driving
Peripheral power driver applications
High-voltage load switching systems

Procurement Notes

Verify the specific suffix SEPTR against official datasheets to confirm package type and tape configuration. Confirm RoHS compliance status as historical records indicate potential non-compliance for this variant. Check manufacturer discontinuation notices and lifecycle status before integration into new designs due to end-of-life risks.

Selection Notes

Select this component when a 32-channel high-voltage source driver with serial interface is required. Ensure system logic levels match the 3V to 5.5V operating range. Verify thermal management requirements for the PLCC package in enclosed environments. Consider pin compatibility if replacing legacy drivers like SN75518N or UCN5818x.

Part Context

This part belongs to the A6818 series of latched source drivers designed primarily for vacuum-fluorescent displays. It combines digital control logic with high-voltage analog output stages. The series offers replacements for older discrete solutions, providing integrated latch functionality and reduced external component count for display and peripheral driver circuits.