A4953ELJTR-T Ver la hoja de datos (PDF) - Allegro MicroSystems
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Fabricante
A4953ELJTR-T Datasheet PDF : 11 Pages
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A4952 and
A4953
Full-Bridge DMOS PWM Motor Drivers
Selection Guide
Part Number
A4952ELYTR-T
A4953ELJTR-T
Packing
4000 pieces per 13-in. reel
3000 pieces per 13-in. reel
Absolute Maximum Ratings
Characteristic
Load Supply Voltage
Logic I/O Voltage Range
FLTn Sink Current
VREF Input Voltage Range
Sense Voltage (LSS pin)
Motor Outputs Voltage
Output Current
Transient Output Current
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Symbol
VBB
VIN
IFLTN
VREF
VS
VOUT
IOUT
iOUT
TA
TJ(max)
Tstg
Notes
Duty cycle = 100%
TW < 500 ns
Temperature Range E
Rating
Unit
40
V
–0.3 to 6
V
10
mA
–0.3 to 6
V
–0.5 to 0.5
V
–2 to 42
V
2
A
6
A
–40 to 85
°C
150
°C
–55 to 150
°C
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
LJ package, on 4-layer PCB based on JEDEC standard
Package Thermal Resistance
LJ package, on 2-layer PCB with 0.8 in2. 2-oz. copper each side
RθJA
LY package, on 4-layer PCB based on JEDEC standard
LY package, (estimate) on 2-layer PCB with 1 in2. 2-oz. copper each side
*Additional thermal information available on the Allegro website.
Value Unit
35 ºC/W
62 ºC/W
48 ºC/W
60 ºC/W
Pin-out Diagrams
GND 1
IN2 2
IN1 3
VREF 4
8 OUT2
7 LSS
PAD
6 OUT1
5 VBB
LJ Package (A4953)
FLTn 1
RTRY 2
IN2 3
IN1 4
VREF 5
PAD
10 GND
9 OUT2
8 LSS
7 OUT1
6 VBB
LY Package (A4952)
Terminal List Table
Name
Number
A4952
A4953
FLTn
1
–
GND
10
1
IN1
4
3
IN2
3
2
LSS
8
7
OUT1
7
6
OUT2
9
8
PAD
–
–
RTRY
2
–
VBB
6
5
VREF
5
4
Function
Fault output, active low
Ground
Logic input 1
Logic input 2
Power return – sense resistor connection
DMOS full bridge output 1
DMOS full bridge output 2
Exposed pad for enhanced thermal dissipation
Logic input
Load supply voltage
Analog input
Allegro MicroSystems, LLC
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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