A5977
Microstepping DMOS Driver with Translator
SELECTION GUIDE
Part Number
Package
28-pin TSSOP
Packing
A5977GLPTR-T
4000 pieces per reel
SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Load Supply Voltage
VBB
VDD
40
V
V
V
V
V
V
Logic Supply Voltage
7
–0.3 to VDD + 0.3
–1 to VDD + 1
0.5
Pulsed, tW > 30 ns
Pulsed, tW < 30 ns
Logic Input Voltage Range
V
IN
SENSEx Voltage (DC)
Reference Voltage
VSENSE
VREF
VDD
Output current rating may be limited by duty cycle,
ambient temperature, and heat sinking. Under any set of
conditions, do not exceed the specified current rating or a
junction temperature of 150°C.
Output Current
IOUT
±2.8
A
Operating Ambient Temperature
Junction Temperature
TA
TJ(max)
Tstg
Range G
–40 to 105
150
°C
°C
°C
Storage Temperature
–55 to 150
THERMAL CHARACTERISTICS: May require derating at maximum conditions; see application information
Characteristic
Symbol
Test Conditions*
Value
Units
Package Thermal Resistance
RθJA
Package LP, on 4-layer PCB based on JEDEC standard
28
ºC/W
*Additional thermal information available on Allegro website.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
2
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com