A3932SLDTR-T Allegro Microsystems Inc, A3932SLDTR-T Datasheet - Page 6

• Manufacturer Part Number: A3932SLDTR-T
• Description: 50V 3 PH BRUSHLESS MTR DC CTLR
• Manufacturer: Allegro Microsystems Inc

Specifications of A3932SLDTR-T

• 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: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 620-1291-2; A3932SLDTR-T

A3932
ELECTRICAL CHARACTERISTICS: unless otherwise noted at T
C
Bootstrap Capacitor
Bootstrap Charge Current
Bootstrap Output Voltage
Bootstrap Resistance
Current Limit Circuitry
Input Offset Voltage
SENSE Input Current
REFERENCE Input Current
Blank Time
RC Charge Current
RC Voltage Threshold
Protection Circuitry
Bootstrap Charge Threshold
Motor Short-to-Ground Monitor
Undervoltage Threshold
FAULT Output Voltage
TACH Output Voltage
TACH Output Pulse Width
Thermal Shutdown Temp.
Thermal Shutdown Hyster-
esis
Thermal Resistance
NOTES:
1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
boot
= 0.1 μF; C
Parameter
REG
= 10 μF; C
Symbol
V
I
UVLO
V
V
SENSE
V
V
t
t
R
load
I
TACH
∆T
V
FAULT
blank
r
V
I
TACH
I
REF
I
T
RCH
RC
RCL
DSH
Cx
Cx
Cx
θJA
Cx
io
J
J
= 3300 pF
V
I
0 V ≤ V
V
V
R
V
Increasing V
Decreasing V
I
I
I
Package EQ Four-layer PCB
Package LD Four-layer PCB
Cx
O
O
O
Sx
IC
IC
BB
T
= 1 mA
= 1 mA
= 1 mA, C
= -50 mA
= 56 kΩ, C
≥ 0 V, V
≥ 0 V, V
Three-Phase Power MOSFET Controller
= 0, I
- V
;
SX
IC
f
PWM
Cx
, high side on
≤ 1.5 V
= 0, V
ID
ID
REG
TACH
≤ 1.5 V
≤ 1.5 V
REG
= 22.5 kHz Square Wave; Two Phases Active.
T
= 470 pF
Con di tions
= 50 pF
REG
= 13 V
A
= 25°C; V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
BB
= 18 V to 50 V; C
10.4
Min
-0.9
100
1.0
2.7
1.3
9.2
8.6
–
–
–
–
–
–
–
–
–
–
–
–
–
0.91
0.75
11.6
Typ
-1.0
-9.0
165
-25
9.0
1.1
3.0
2.0
9.7
9.1
10
37
51
–
–
0
–
–
Limits
Max
12.8
±5.0
10.2
-1.1
1.2
3.3
2.7
9.6
0.5
0.5
12
–
–
–
–
–
–
–
–
–
–
LCAP
,
Units
°C/W
°C/W
mA
mV
mA
mA
μA
μA
μs
μs
°C
°C
V
Ω
V
V
V
V
V
V
V
6