A4954ELPTR-T Allegro Microsystems Inc, A4954ELPTR-T Datasheet - Page 2

• Manufacturer Part Number: A4954ELPTR-T
• Description: DUAL DMOS FULL BRIDGE MOTOR DRIVER
• Manufacturer: Allegro Microsystems Inc

Specifications of A4954ELPTR-T

• Applications: PWM Motor Driver
• Number Of Outputs: 2
• Current - Output: 1.5A
• Voltage - Supply: 8 V ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1384-2

A4954
Selection Guide
Absolute Maximum Ratings
Thermal Characteristics
Package Thermal Resistance
*Additional thermal information available on the Allegro website.
Load Supply Voltage
Logic Input Voltage Range
V
Sense Voltage (LSSx pin)
Motor Outputs Voltage
Output Current
Peak Output Current
Transient Output Current
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
REF
VREF34
VREF12
A4954ELPTR-T
A4954ELP-T
GND
GND
Input Voltage Range
IN3
IN4
IN2
IN1
Pin-out Diagram
Part Number
1
2
3
4
5
6
7
8
Characteristic
Characteristic
PAD
16
15
14
13
12
11
10
9
VBB
OUT4
LSS34
OUT3
OUT2
LSS12
OUT1
VBB
may require derating at maximum conditions, see application information
4000 pieces per 13-in. reel
96 pieces per tube
Symbol
Symbol
T
I
Terminal List Table
R
V
OUTPK
J
V
I
i
V
(max)
T
Number
V
OUT
OUT
V
T
θJA
REF
OUT
stg
BB
IN
A
S
Packing
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
–
On 2-layer PCB with 3.8 in
On 4-layer PCB based on JEDEC standard
Duty cycle = 100%
T
T
Temperature Range E
W
W
VREF34
VREF12
< 100 ms, duty cycle < 30%
< 500 ns
LSS12
LSS34
Name
OUT1
OUT2
OUT3
OUT4
GND
GND
VBB
VBB
PAD
IN3
IN4
IN2
IN1
Ground
Analog input for bridge 3-4
Logic input 3
Logic input 4
Logic input 2
Logic input 1
Analog input for bridge 1-2
Ground
Load supply voltage
DMOS full bridge output 1
Power return – sense resistor connection for bridge 1-2
DMOS full bridge output 2
DMOS full bridge output 3
Power return – sense resistor connection for bridge 3-4
DMOS full bridge output 4
Load supply voltage
Exposed pad for enhanced thermal dissipation
Notes
Test Conditions*
2
. exposed 2-oz. copper each side
Dual Full-Bridge DMOS
Function
PWM Motor Driver
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–0.5 to 0.5
–55 to 150
–40 to 85
–0.3 to 6
–0.3 to 6
–2 to 42
Rating
150
1.5
40
2
5
Value
Unit
43
34
°C
°C
°C
V
V
V
V
V
A
A
A
ºC/W
ºC/W
Unit
2