9.70 X 4.40 MM, 1.20 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28
Pin Count:
28
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
Allegro MicroSystems LLC
Analog IC - Other Type:
STEPPER MOTOR CONTROLLER
JESD-30 Code:
R-PDSO-G28
JESD-609 Code:
e3
Length:
9.7 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Terminals:
28
Operating Temperature-Max:
150 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Equivalence Code:
TSSOP28,.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):
5 mA
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
3 V
Supply Voltage-Nom (Vsup):
3.3 V
Surface Mount:
YES
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
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
A3981KLPTR-T Frequently Asked Questions (FAQs)
A good thermal design should include a solid copper plane on the PCB to dissipate heat. The device's thermal pad should be connected to this plane using multiple vias. Additionally, the PCB should have a sufficient number of layers to minimize thermal resistance.
To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal design guidelines, use a suitable heat sink, and ensure good airflow. Additionally, the device's thermal shutdown feature can be enabled to prevent damage from overheating.
The recommended decoupling capacitors for the A3981KLPTR-T are 0.1 μF to 1 μF ceramic capacitors, placed as close to the device's power pins as possible. These capacitors help to filter out noise and ensure stable operation.
To troubleshoot issues with the device's output current, check the input voltage, output voltage, and output current sense resistors. Verify that the device is properly configured and that the output current is within the specified range. Also, check for any signs of overheating or thermal shutdown.
Operating the device beyond its specified temperature range can lead to reduced reliability, decreased performance, and potentially even device failure. It's essential to ensure that the device operates within its specified temperature range to maintain its performance and longevity.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
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System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
A3981KLPTR-T Overview
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