A3949SLPTR-T footprint, schematic symbol and 3D model by Allegro Microsystems

Symbol

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PCB Footprints

A3949SLPTR-T - Allegro Microsystems PCB footprint - Other - Other - 16-Pin TSSOP (Suffix LP) with Exposed Pad

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3D Models

A3949SLPTR-T - Allegro Microsystems - 3D model - Other - 16-Pin TSSOP (Suffix LP) with Exposed Pad

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Datasheet Download Datasheet
Stock & Prices Price & Stock for A3949SLPTR-T
Part Number A3949SLPTR-T
Manufacturer Allegro Microsystems
Pin Count 17
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - 16-Pin TSSOP (Suffix LP) with Exposed Pad
Released Date Jun 2, 2022
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

A3949SLPTR-T Details

Manufacturer Part Number:
A3949SLPTR-T
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
TSSOP
Package Description:
1.10 MM HEIGHT, LEAD FREE, MO-153ABT, TSSOP-16
Pin Count:
16
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
Allegro MicroSystems LLC
YTEOL:
0
Analog IC - Other Type:
FULL BRIDGE BRUSH DC MOTOR CONTROLLER
JESD-30 Code:
R-PDSO-G16
JESD-609 Code:
e3
Length:
5 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
16
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-20 °C
Output Current-Max:
2.8 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Equivalence Code:
TSSOP16,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Supply Current-Max (Isup):
8.5 mA
Supply Voltage-Max (Vsup):
36 V
Supply Voltage-Min (Vsup):
8 V
Surface Mount:
YES
Technology:
NMOS
Temperature Grade:
OTHER
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
40
Width:
4.4 mm

A3949SLPTR-T Frequently Asked Questions (FAQs)

Allegro provides a recommended PCB layout in their application note AN296070, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The sense resistor value depends on the desired current sensing range and the voltage drop across the resistor. Allegro provides a sense resistor calculation tool on their website, which can help determine the optimal value based on the application requirements.
Although the datasheet specifies a maximum VCC voltage of 5.5V, Allegro recommends limiting the voltage to 5V to ensure reliable operation and prevent damage to the device.
The A3949SLPTR-T is rated for operation up to 150°C, but Allegro recommends derating the device for temperatures above 125°C to ensure reliable operation and prevent thermal damage.
Allegro provides a troubleshooting guide in their application note AN296070, which covers common issues such as incorrect sense resistor values, PCB layout problems, and noise interference, along with recommended solutions.

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A3949SLPTR-T - Allegro Microsystems

A3949SLPTR-T Details

A3949SLPTR-T Frequently Asked Questions (FAQs)

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