A3979SLP vs A3977EED feature comparison

A3979SLP Allegro MicroSystems LLC

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A3977EED Allegro MicroSystems LLC

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ALLEGRO MICROSYSTEMS LLC ALLEGRO MICROSYSTEMS LLC
Part Package Code TSSOP LCC
Package Description HTSSOP, TSSOP28,.25 COPPER BATWING, PLASTIC, LCC-44
Pin Count 28 44
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.39.00.01 8542.39.00.01
Samacsys Manufacturer Allegro Microsystems
Additional Feature ALSO REQUIRES 8V TO 35V VBB SUPPLY
Analog IC - Other Type STEPPER MOTOR CONTROLLER STEPPER MOTOR CONTROLLER
JESD-30 Code R-PDSO-G28 S-PQCC-J44
JESD-609 Code e0 e0
Length 9.7 mm 16.5862 mm
Number of Functions 1 1
Number of Terminals 28 44
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -20 °C -40 °C
Output Current-Max 2.5 A 2.5 A
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code HTSSOP QCCJ
Package Equivalence Code TSSOP28,.25 LDCC44,.7SQ
Package Shape RECTANGULAR SQUARE
Package Style SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH CHIP CARRIER
Qualification Status Not Qualified Not Qualified
Seated Height-Max 1.2 mm 4.57 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 3 V 3 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology BCDMOS NMOS
Temperature Grade OTHER INDUSTRIAL
Terminal Finish Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal Form GULL WING J BEND
Terminal Pitch 0.65 mm 1.27 mm
Terminal Position DUAL QUAD
Width 4.4 mm 16.5862 mm
Base Number Matches 1 1
Peak Reflow Temperature (Cel) 240
Time@Peak Reflow Temperature-Max (s) 30

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