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A3935KLQ Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # A3935KLQ
Description  THREE-PHASE POWER MOSFET CONTROLLER
PDF  15 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A3935KLQ Datasheet(HTML) 2 Page - Allegro MicroSystems

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3935
THREE-PHASE POWER
MOSFET CONTROLLER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
2
Functional Block Diagram
Copyright © 2003 Allegro MicroSystems, Inc.
See pages 8 and 9 for terminal assignments and descriptions.
VREG
High-Side
Driver
Low-Side
Driver
Turn ON
Delay
CA
GHA
SA
GLA
LSS
CSN
To Phase B
C
BOOT
To Phase C
Turn ON
Delay
R
S
VBOOST
VBAT
Control
Logic
CSP
BOOSTS
BOOSTD
IHA
ILA
IHB
ILB
IHC
ILC
ENABLE
GND
cs
Drain-Source
Fault Monitor
VBAT Overvoltage
VBAT Undervoltage
VREG Undervoltage
Short to Ground
Short to Battery
Bridge Open
VDD Undervoltage
Thermal Shutdown
VDSTH
SA
SB
SC
CSOUT
VDRAIN
Low Drop
Out
Linear
Regulator
VREG
REFi
REFv
LSS
VDRAIN
(KELVIN)
FAULT
Motor
Supply
Voltage
UVFLT
OVFLT
OVSET
VDD
PhaseA
VBAT
VIGN
VBAT
VREG
VDD
VDD
External +5V
OS
(blank)
OS
(off)
Dwg. FP-053



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