A3938SLD Allegro Microsystems Inc, A3938SLD Datasheet - Page 4

• 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
ELECTRICAL CHARACTERISTICS
C
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Quiescent Current
LCAP Regulator
VREG =VBB Supply Voltage Range
VREG Output Voltage
VREG Load Regulation
VREG Line Regulation
Control Logic
Logic Input Voltage
Logic Input Current
Gate Drive
Low-Side Drive, Output High
High-Side Drive, Output High
Pull-Up Switch Resistance
Pull-Down Switch Resistance
Low-Side Switching, 10/90 Rise Time
Low-Side Switching, 10/90 Fall Time
High-Side Switching, 10/90 Rise Time
High-Side Switching, 10/90 Fall Time
Propagation Delay; GHx,GLx Rising
Propagation Delay; GHx,GLx Falling
Dead Time, Maximum
Dead Time, Minimum
VREG
= 10 μF, PWM = 22.5 kHz, square wave, two phases active
Characteristics
Symbol
V
V
R
R
V
REGLOAD
1,2
V
V
V
V
V
V
t
t
I
REGLIN
I
I
tr
tf
DS(ON)
DS(ON)
tr
tf
DEAD
DEAD
T
T
IN(1)
IN(0)
VBB
LCAP
IN(1)
IN(0)
HGH
REG
REG
HGL
GH
GL
GL
GH
pr
pf
Unless otherwise noted: T
Three-Phase Power MOSFET Controller
RESET = 1, Coast mode, stopped
I
VREG = VBB, observe maximum rating = 15 V
V
V
I
I
Minimum high level for logical 1
Maximum low level for logical 0
V
V
I
I
I
I
C
C
C
C
PWM to gate drive out, C
PWM to gate drive out, C
V
I
lcap
vreg
vreg
gx
gx
gx
gx
DEAD
BB
BB
IN
IN
load
load
load
load
dead
= 0
= 0
= –50 mA
= 50 mA
= 2.0 V
= 0.8 V
= –3.0 mA
= 13.2 V to 18 V, I
= 18 V to 50 V, I
= –1 mA to –30 mA, Coast mode
= –10 mA, Coast mode
= 3300 pF
= 3300 pF
= 3300 pF
= 3300 pF
= 0, GHx to GLx, C
= 780 μA, GLx to GHx, C
Test Conditions
vreg
vreg
= –10 mA
A
load
= –10 mA
load
load
= 25°C, V
= 0
= 3300 pF
= 3300 pF
load
= 0
BB
= 18 V to 50 V, C
V
REG
Min.
4.75
10.8
12.4
10.4
–30
–50
2.0
3.5
50
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–
–
–
–
–
–
–
–
–
–
–
–
–
– 0.8 V
V
LCAP
REG
BB
Typ.
11.6
120
120
220
100
110
5.6
13
25
40
14
60
60
–
5
–
–
–
–
–
4
– 2.5
– 0.5
= 0.1 μF, C
1
Max.
–130
5.25
13.2
13.6
12.8
–90
150
8.0
0.8
7.6
–
–
–
–
–
–
–
–
–
–
–
–
–
BOOT
= 0.1 μF,
Units
mA
mV
mV
μA
μA
μs
ns
ns
ns
ns
ns
ns
ns
Ω
Ω
V
V
V
V
V
V
V
V
4