Texas Instruments Evaluation Module for DRV8813 DRV8813EVM DRV8813EVM Datenbogen
Produktcode
DRV8813EVM
SLVSA72D – APRIL 2010 – REVISED AUGUST 2013
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
nFAULT OUTPUT (OPEN-DRAIN OUTPUT)
V
OL
Output low voltage
I
O
= 5 mA
0.5
V
I
OH
Output high leakage current
V
O
= 3.3 V
1
μA
DECAY INPUT
V
IL
Input low threshold voltage
For slow decay mode
0
0.8
V
V
IH
Input high threshold voltage
For fast decay mode
2
V
I
IN
Input current
±40
µA
R
PU
Internal pullup resistance (to 3.3 V)
130
k
Ω
R
PD
Internal pulldown resistance
80
k
Ω
H-BRIDGE FETS
V
M
= 24 V, I
O
= 1 A, T
J
= 25°C
0.2
HS FET on resistance
V
M
= 24 V, I
O
= 1 A, T
J
= 85°C
0.25
0.32
R
DS(ON)
Ω
V
M
= 24 V, I
O
= 1 A, T
J
= 25°C
0.2
LS FET on resistance
V
M
= 24 V, I
O
= 1 A, T
J
= 85°C
0.25
0.32
I
OFF
Off-state leakage current
–20
20
μA
MOTOR DRIVER
Internal current control PWM
f
PWM
50
kHz
frequency
t
BLANK
Current sense blanking time
3.75
μs
t
R
Rise time
30
200
ns
t
F
Fall time
30
200
ns
PROTECTION CIRCUITS
I
OCP
Overcurrent protection trip level
3
A
t
TSD
Thermal shutdown temperature
Die temperature
150
160
180
°C
CURRENT CONTROL
I
REF
xVREF input current
xVREF = 3.3 V
–3
3
μA
xVREF = 3.3 V, 100% current setting
635
660
685
V
TRIP
xISENSE trip voltage
xVREF = 3.3 V, 71% current setting
445
469
492
mV
xVREF = 3.3 V, 38% current setting
225
251
276
A
ISENSE
Current sense amplifier gain
Reference only
5
V/V
6
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