A3980
Automotive DMOS Microstepping Driver
with Translator
ELECTRICAL CHARACTERISTICS at TJ = –40°C to +150ºC, VBB = 14 V, VDD = 3.0 to 5.5 V (unless otherwise noted)
Characteristics
Symbol
Test Conditions
Min. Typ.1 Max. Units
Output Drivers
Load Supply Voltage Range
Output Leakage Current2
Output-On Resistance
Body Diode Forward Voltage
Motor Supply Current
Logic Supply Current
Logic Interface
Logic Supply Voltage Range
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Current2
Output Low Voltage
Output High Voltage
STEP Pin Low
STEP Pin High
Setup Time for Input Change to STEP
Hold Time for Input Change from STEP
Wake-Up Time from SLEEP
Continued on next page
Driving
8
VBB Operating
7
Sleep mode
0
IDSS
VOUT = VBB
VOUT = 0 V
–
RDSON
Source driver, IOUT = –1 A, TA < 25ºC
Sink driver, IOUT = 1 A, TA < 25ºC
Source driver, IOUT = –1 A, TA < 125ºC
Sink driver, IOUT = 1 A, TA < 125ºC
–
–
VF
Source diode, IF = –1 A
Sink diode, IF = 1 A
–
fPWM < 50 kHz
IBB
Operating, outputs disabled
–
Sleep mode
fPWM < 50 kHz
IDD
Outputs off
–
Sleep mode
VOVB
–
50
V
35
< 1.0
20
μA
< 1.0
–20
0.51
0.86
Ω
0.45
0.65
0.87
1.06
Ω
0.72
0.83
–
1.4
1.4
V
8
mA
–
6
mA
20
μA
12
mA
–
10
mA
20
μA
VDD
VIL
VIH
VIHYS
IIN
VOL
VOH
tSTPL
tSTPH
tSU
tH
tEN
Operating
–
–
–
–
IO = 3 mA
IO = –200 μA
–
–
MS1, MS2, DIR
MS1, MS2, DIR
–
3.0
–
0.7 VDD
200
–20
–
2.8
1
1
200
200
–
5.0
5.5
V
–
0.3 VDD
V
–
–
V
300
500
mV
< ±1
20
μA
–
0.4
V
–
–
V
–
–
μs
–
–
μs
–
–
ns
–
–
ns
–
1
ms
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com