Datasheet

DRV8813
SLVSA72D –APRIL 2010–REVISED AUGUST 2013 www.ti.com
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 kΩ
R
PD
Internal pulldown resistance 80 kΩ
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
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