A4931
3-Phase Brushless DC Motor Pre-Driver
Selection Guide
Part Number
Packing
Package
A4931MET-T
A4931METTR-T
73 pieces per tube
1500 pieces per reel
5 mm x 5 mm, 0.90 mm nominal height QFN
Absolute Maximum Ratings
Characteristic
Symbol
VBB
Notes
Rating
38
Units
V
Load Supply Voltage
Motor Phase Output
SX
tw < 500 ns
DC
–3
V
Hall Input
VHx
–0.3 to 7
–0.3 to 7
–20 to 105
150
V
Logic Input Voltage Range
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
VIN
V
TA
Range M
ºC
ºC
ºC
TJ(max)
Tstg
–40 to 150
Thermal Characteristics
Characteristic
Package Thermal Resistance, Junction
to Ambient
Package Thermal Resistance, Junction
to Exposed Pad
Symbol
Test Conditions*
Rating
Units
ºC/W
ºC/W
RθJA
4-layer PCB based on JEDEC standard
32
2
RθJP
*For additional information, refer to the Allegro website.
Allegro MicroSystems, Inc.
115 Northeast Cutoff
2
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
