Datasheet

DRV8832
www.ti.com SLVSAB3H –MAY 2010–REVISED OCTOBER 2013
ELECTRICAL CHARACTERISTICS
V
CC
= 2.75 V to 6.8 V, T
A
= -40°C to 85°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLIES
I
VCC
VCC operating supply current V
CC
= 5 V 1.4 2 mA
I
VCCQ
VCC sleep mode supply current V
CC
= 5 V, T
A
= 25°C 0.3 1 μA
V
CC
rising 2.575 2.75
VCC undervoltage lockout
V
UVLO
V
voltage
V
CC
falling 2.47
LOGIC-LEVEL INPUTS
V
IL
Input low voltage 0.25 x VCC V
V
IH
Input high voltage 0.5 x VCC V
I
IL
Input low current V
IN
= 0 -10 10 μA
I
IH
Input high current V
IN
= 3.3 V 50 μA
LOGIC-LEVEL OUTPUTS (FAULTn)
V
OL
Output low voltage V
CC
= 5 V, I
OL
= 4 mA
(1)
0.5 V
H-BRIDGE FETS
V
CC
= 5 V, I
O
= 0.8 A, T
J
= 85°C 290 400
R
DS(ON)
HS FET on resistance mΩ
V
CC
= 5 V, I
O
= 0.8 A, T
J
= 25°C 250
V
CC
= 5 V, I
O
= 0.8 A, T
J
= 85°C 230 320
R
DS(ON)
LS FET on resistance mΩ
V
CC
= 5 V, I
O
= 0.8 A, T
J
= 25°C 200
I
OFF
Off-state leakage current –20 20 μA
MOTOR DRIVER
t
R
Rise time V
CC
= 3 V, load = 4 Ω 50 300 ns
t
F
Fall time V
CC
= 3 V, load = 4 Ω 50 300 ns
f
SW
Internal PWM frequency 44.5 kHz
PROTECTION CIRCUITS
I
OCP
Overcurrent protection trip level 1.3 3 A
t
OCP
OCP deglitch time 2 μs
T
TSD
Thermal shutdown temperature Die temperature
(1)
150 160 180 °C
VOLTAGE CONTROL
V
REF
Reference output voltage 1.235 1.285 1.335 V
V
CC
= 3.3 V to 6 V, V
OUT
= 3 V
(1)
ΔV
LINE
Line regulation ±1 %
I
OUT
= 500 mA
V
CC
= 5 V, V
OUT
= 3 V
ΔV
LOAD
Load regulation ±1 %
I
OUT
= 200 mA to 800 mA
(1)
CURRENT LIMIT
V
ILIM
Current limit sense voltage 160 200 240 mV
t
ILIM
Current limit fault deglitch time 275 ms
Current limit set resistance
R
ISEN
0 1 Ω
(external resistor value)
(1) Not production tested.
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