a4980klp-t Allegro MicroSystems, Inc., a4980klp-t Datasheet - Page 4

• Manufacturer Part Number: a4980klp-t
• Description: Automotive, Programmable Stepper Driver
• Manufacturer: Allegro MicroSystems, Inc.

A4980
ELECTRICAL CHARACTERISTICS
Continued on the next page…
Supplies
Load Supply Voltage Range
Load Supply Quiescent Current
Logic Supply Voltage Range
Logic Supply Quiescent Current
Charge Pump Voltage
Internal Regulator Voltage
Internal Regulator Dropout Voltage
Motor Bridge Output
High-Side On-Resistance
High-Side Body Diode Forward
Voltage
Low-Side On-Resistance
Low-Side Body Diode Forward
Voltage
Output Leakage Current
Current Control
Internal Oscillator Frequency
External Oscillator Frequency Range
Blank Time
Off-Time (In Fixed Off-Time Mode)
PWM Frequency (In Fixed Frequency
Mode)
Fast Decay Time
Reference Input Voltage
Internal Reference Voltage
4
Characteristics
4
4
3
4
Symbol
V
V
t
R
V
R
BLANK
REGDO
f
t
V
I
f
I
V
f
t
V
V
V
FAST
REFint
V
PWM
BBQ
DDQ
I
OSC
EXT
OFF
1,2
REG
ONH
REF
ONL
LO
DD
CP
BB
FH
FL
Valid at T
Functional
Outputs Driving
ENABLE = 0
Sleep mode
ENABLE = 0
Sleep mode
With repect to VBB, V
RESETn = 1
ENABLE = 0, RESETn = 1, V
ENABLE = 0, RESETn = 1, V
V
V
V
I
V
V
V
I
ENABLE = 0, RESETn = 1, V
ENABLE = 0, RESETn = 1, V
ENABLE = 0, RESETn = 0, V
ENABLE = 0, RESETn = 0, V
OSC = AGND
51 kΩ from OSC to VDD
Default Blank-Time
Default Off-Time
Default PWM Frequency
Default Fast Decay Time
REF tied to VDD
F
F
BB
BB
BB
BB
BB
BB
= 1 A
= –1 A
Automotive, Programmable Stepper Driver
= 7 V, I
= 13.5 V, I
= 13.5 V, I
= 7 V, I
= 13.5 V, I
= 13.5 V, I
J
= –40°C to 150°C, V
OUT
OUT
OUT
OUT
OUT
OUT
= 1 A, T
= –1 A, T
Test Conditions
= –1 A, T
= –1 A, T
= 1 A, T
= 1 A, T
BB
J
J
>7.5 V, ENABLE = 0,
= 25°C
= 25°C
J
J
J
J
= 25°C
= 150°C
= 25°C
= 150°C
BB
BB
O
O
O
O
BB
= V
= 0 V
= V
= 0 V
> 7.5 V
> 3.5 V
= 6 to 28 V, V
BB
BB
DD
= 3.3 V; unless otherwise noted
–120
–200
Min.
–20
3.3
3.2
3.6
0.8
1.1
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
0
–
–
3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
3
–
–
–
–
–120
1500
Typ.
<1.0
<1.0
16.7
100
500
900
625
500
900
625
–65
6.7
7.2
1.2
44
–
–
–
1
–
–
4
–
–
4
–
–
8
–
V
Max.
1100
1100
200
600
750
600
750
BBOV
5.5
1.4
1.4
4.8
4.4
1.3
50
10
15
20
4
5
–
–
–
–
–
5
–
–
–
–
2
MHz
MHz
MHz
Unit
kHz
mΩ
mΩ
mΩ
mΩ
mΩ
mΩ
mA
mA
mV
μA
μA
μA
μA
μA
μA
ns
μs
μs
V
V
V
V
V
V
V
V
V
4