A6821SA-T

Description：IC PWR DRIVER BIPOLAR 1:8 16DIP
Series：-
Mfr：Allegro MicroSystems
Package：Tube

SKU:ccf20ce623e3 Category: Power Distribution Switches, Load Drivers Brand: Allegro MicroSystems

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Product introduction

Product Detailed Parameters

Description：IC PWR DRIVER BIPOLAR 1:8 16DIP
Series：-
Mfr：Allegro MicroSystems
Package：Tube
Switch Type：Latched Driver
Number of Outputs：8
Ratio - Input:Output：1:08
Output Configuration：High Side
Output Type：Bipolar
Interface：Strobe, Serial
Voltage - Load：50V (Max)
Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
Current - Output (Max)：500mA
Rds On (Typ)：-
Input Type：Non-Inverting
Features：-
Fault Protection：-
Operating Temperature：-20°C ~ 85°C (TA)
Mounting Type：Through Hole
Supplier Device Package：16-DIP
Package / Case：16-DIP (0.300", 7.62mm)
Grade：-
Qualification：-

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A6821SA-T

Overview

The A6821SA-T is a bipolar stepper motor driver manufactured by Allegro MicroSystems. It features an 8-output configuration with a 1:8 input-to-output ratio, designed for high-current applications up to 500mA per output. The device supports a maximum load voltage of 50V and operates on a supply voltage range of 3V to 5.5V. It utilizes parallel or serial interfaces and offers non-inverting input types. Packaged in a 16-DIP format, it is suitable for through-hole mounting and functions within a temperature range of -20°C to 85°C.

Feature Summary

Provides eight independent high-side outputs configured for bipolar stepper motor control
Supports both parallel and serial interface modes for flexible system integration
Integrates latch driver functionality to maintain output states without continuous signaling

Applications

Bipolar stepper motor drive systems
Industrial automation control units
Office equipment requiring precise motion control

Procurement Notes

Verify component authenticity through authorized distributors due to discontinued status. Confirm package integrity as the standard packaging may have changed per recent PCN documentation. Ensure compatibility with existing PCB footprints for 16-DIP installations before procurement.

Selection Notes

Select this component when bipolar stepper motor control with high current capability is required. The 16-DIP package facilitates easy prototyping and replacement in legacy designs. Consider the 500mA output capacity and 50V voltage rating to ensure adequate headroom for the specific motor load requirements.

Part Context

This part belongs to the A6821 series of power drivers from Allegro MicroSystems. It is specifically engineered for driving bipolar stepper motors with integrated protection features. The series provides robust performance in industrial environments, offering reliable switching capabilities for precision motion control applications.