A3938SLD Allegro Microsystems Inc, A3938SLD Datasheet - Page 10

• Manufacturer Part Number: A3938SLD
• Description: IC CTRLR MOSFET 3PH 38-TSSOP
• Manufacturer: Allegro Microsystems Inc

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: -

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,
36
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