A4919GETTR-3-T footprint, schematic symbol and 3D model by Allegro Microsystems

Symbol

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PCB Footprints

A4919GETTR-3-T - Allegro Microsystems PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ET, 28-Terminal QFN with Exposed Thermal Pad

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3D Models

A4919GETTR-3-T - Allegro Microsystems - 3D model - Quad Flat No-Lead - ET, 28-Terminal QFN with Exposed Thermal Pad

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Datasheet Download Datasheet
Stock & Prices Price & Stock for A4919GETTR-3-T
Part Number A4919GETTR-3-T
Manufacturer Allegro Microsystems
Pin Count 29
Part Category Integrated Circuit
Package Category Quad Flat No-Lead
Footprint Name Quad Flat No-Lead - ET, 28-Terminal QFN with Exposed Thermal Pad
Released Date Jan 28, 2022
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

A4919GETTR-3-T Details

Manufacturer Part Number:
A4919GETTR-3-T
Rohs Code:
Yes
Part Life Cycle Code:
Active
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Date Of Intro:
2018-01-26
Manufacturer:
Allegro MicroSystems LLC
Analog IC - Other Type:
3-PHASE BRUSHLESS DC MOTOR CONTROLLER
JESD-30 Code:
S-XQCC-N28
JESD-609 Code:
e3
Length:
5 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Terminals:
28
Operating Temperature-Max:
105 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
UNSPECIFIED
Package Code:
HQCCN
Package Equivalence Code:
LCC28,.2SQ,20
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG
Seated Height-Max:
0.9 mm
Supply Voltage-Max (Vsup):
50 V
Supply Voltage-Min (Vsup):
5.5 V
Supply Voltage-Nom (Vsup):
12 V
Surface Mount:
YES
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Width:
5 mm

A4919GETTR-3-T Frequently Asked Questions (FAQs)

Allegro provides a recommended PCB layout in their application note AN296070, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
The maximum allowable current can be calculated using the device's thermal resistance (RθJA), maximum junction temperature (Tjmax), and ambient temperature (Ta). Allegro provides a thermal calculation worksheet in their application note AN296070 to help with this calculation.
Allegro recommends using a reflow soldering process with a peak temperature of 260°C (500°F) for a maximum of 20 seconds. Hand soldering is not recommended due to the device's small size and high pin count.
Allegro provides guidelines for EMC in their application note AN296070, including recommendations for PCB layout, shielding, and filtering to minimize electromagnetic interference (EMI) and ensure compliance with relevant standards.
The A4919GETTR-3-T has a built-in soft-start feature that ramps up the output voltage during power-on to prevent inrush currents. During power-off, the device's output voltage decays rapidly to prevent back-EMF damage. The exact behavior can be found in the device's datasheet and application notes.

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A4919GETTR-3-T Overview

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A4919GETTR-3-T - Allegro Microsystems

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