A3938SLD Allegro Microsystems Inc, A3938SLD Datasheet - Page 10
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A3938SLD
Manufacturer Part Number
A3938SLD
Description
IC CTRLR MOSFET 3PH 38-TSSOP
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3938SLDTR-T.pdf
(11 pages)
Specifications of A3938SLD
Applications
DC Motor Controller, Brushless (BLDC), 3 Phase
Number Of Outputs
1
Voltage - Supply
18 V ~ 50 V
Operating Temperature
-20°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
38-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Output
-
Voltage - Load
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
A3938SLDT
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Company:
Part Number:
A3938SLDTR-T
Manufacturer:
NUVOTON
Quantity:
2 140
Part Number:
A3938SLDTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
A3938
Terminal List
BRKCAP
BRKSEL
RESET
BRAKE
SENSE
FAULT
MODE
PGND
AGND
VREG
DEAD
Name
LCAP
PWM
GHC
GLC
GHB
GHA
GLB
GLA
VBB
REF
DIR
N/C
SC
CC
CB
RC
SB
SA
CA
H1
H3
H2
Low-Side Gate Drive Return
Control Input
Low-Side Gate Drive Output, Phase C
Motor Connection, Phase C
High-Side Gate Drive Output, Phase C
Bootstrap Capacitor, Phase C
Low-Side Gate Drive Output, Phase B
Motor Connection, Phase B
High-Side Gate Drive Output, Phase B
Bootstrap Capacitor, Phase B
Low-Side Gate Drive Output, Phase A
Motor Connection, Phase A
High-Side Gate Drive Output, Phase A
Bootstrap Capacitor, Phase A
Gate Drive Supply
5 V Output
Diagnostic Output
Control Input
Load Supply
Hall Control Input
Hall Control Input
Hall Control Input
Control Input
Control Input
Power Loss Brake Reservoir Capacitor
Control Input
Control Input
Connection for Fixed Off-Time R and C
Sense Resistor
Current Limit Adjust
Dead Time Adjust
Ground
Not Connected
Three-Phase Power MOSFET Controller
Description
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
23, 37, 38
Number
4, 5, 18,
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