A6841SA-T footprint, schematic symbol and 3D model by Allegro Microsystems

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PCB Footprints

A6841SA-T - Allegro Microsystems PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - Package A, 18-Pin DIP

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3D Models

A6841SA-T - Allegro Microsystems - 3D model - Dual-In-Line Packages - Package A, 18-Pin DIP

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Datasheet Download Datasheet
Stock & Prices Price & Stock for A6841SA-T
Part Number A6841SA-T
Manufacturer Allegro Microsystems
Pin Count 18
Part Category Integrated Circuit
Package Category Dual-In-Line Packages
Footprint Name Dual-In-Line Packages - Package A, 18-Pin DIP
Released Date Jun 2, 2022
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

A6841SA-T Details

Manufacturer Part Number:
A6841SA-T
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
DIP
Package Description:
LEAD FREE, PLASTIC, MS-001AC, DIP-18
Pin Count:
18
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
Allegro MicroSystems LLC
YTEOL:
0
Additional Feature:
SPLIT SUPPLY OPERATION POSSIBLE
Built-in Protections:
TRANSIENT
Driver Number of Bits:
8
Interface IC Type:
SIPO BASED PERIPHERAL DRIVER
JESD-30 Code:
R-PDIP-T18
JESD-609 Code:
e3
Length:
22.86 mm
Number of Functions:
1
Number of Terminals:
18
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-20 °C
Output Current Flow Direction:
SINK
Output Current-Max:
0.35 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
DIP
Package Equivalence Code:
DIP18,.3
Package Shape:
RECTANGULAR
Package Style:
IN-LINE
Qualification Status:
Not Qualified
Seated Height-Max:
5.33 mm
Supply Voltage-Max:
5.5 V
Supply Voltage-Min:
3 V
Supply Voltage-Nom:
3.3 V
Surface Mount:
NO
Technology:
CMOS
Temperature Grade:
OTHER
Terminal Finish:
MATTE TIN
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
DUAL
Width:
7.62 mm

A6841SA-T Frequently Asked Questions (FAQs)

The recommended PCB layout for the A6841SA-T involves placing the device near the motor windings, using a solid ground plane, and keeping the high-current paths short and wide. A 4-layer PCB with a dedicated ground plane is recommended.
The sense resistor value depends on the motor current and the desired current sense accuracy. A typical value is 0.01 ohms to 0.1 ohms. The sense resistor power rating should be sufficient to handle the motor current.
The A6841SA-T has an operating temperature range of -40°C to 150°C. However, the device can be derated for high-temperature operation above 125°C.
The A6841SA-T has built-in overvoltage protection, but additional protection can be achieved using external components such as TVS diodes and fuses. Overcurrent protection can be implemented using a current sense resistor and a comparator.
A decoupling capacitor value of 10uF to 100uF is recommended, depending on the motor current and operating frequency. The capacitor should be placed close to the device and have a low ESR.

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A6841SA-T - Allegro Microsystems

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