A3944KLPTR-T Allegro Microsystems Inc, A3944KLPTR-T Datasheet - Page 18

• Manufacturer Part Number: A3944KLPTR-T
• Description: IC PREDRIVER MOSFET 6CH TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3944KLPTR-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A3944
Figure 11. Power Sequence Timing- V
Figure 12. Power Sequence Timing- V
R
Outputs
Outputs
E
S
Fault register bits
Fault register bits
CSN
CSN
Serial Read
Serial Read Data
E
Serial Read
Serial Read Data
V
V
UV
V
UV
LR
V
T
LR
DD
DD
BB
N
BB
/V
/V
REG
REG
U
U
Z
V
BB
1
1
X
X
U
U
Z
LR=1
UV=1
1
0
V
DD
BB
DD
before V
after V
Enabled
LR=0
UV=1
V
0
0
1
1
V
BB
REG
BB
REG
Enabled
LR=1
UV=1
- with RESET
0
0
LR=0
UV=0
LR=0
UV=0
Automotive, Low Side FET Pre-Driver
1
0
Off
LR=1
UV=0
U
U
Z
1
1
Enabled
LR=1
UV=1
0
LR=1
UV=0
Where Z=high impedance, U=undefined, X=don’t care
0
0
0
1
Enabled
LR=0
UV=0
Where Z=high impedance, U=undefined
U
U
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
X
Z
X
LR=0
UV=1
U
U
V
V
V
DDUV+Hys
REGUV+Hys
DDUV+Hys
V
V
V
DDUV
REGUV
DDUV
Z
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