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DRV8814_16 Datasheet, PDF (6/26 Pages) Texas Instruments – DC Motor Driver IC
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DRV8814
SLVSAB9E – MAY 2010 – REVISED NOVEMBER 2015
6.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
POWER SUPPLIES
IVM
VM operating supply current
IVMQ
VM sleep mode supply current
VUVLO VM undervoltage lockout voltage
V3P3OUT REGULATOR
VM = 24 V, fPWM 50 kHz
VM = 24 V
VM rising
V3P3
V3P3OUT voltage
LOGIC-LEVEL INPUTS
IOUT = 0 to 1 mA
VIL
Input low voltage
VIH
Input high voltage
VHYS Input hysteresis
IIL
Input low current
IIH
Input high current
nFAULT OUTPUT (OPEN-DRAIN OUTPUT)
VIN = 0
VIN = 3.3 V
VOL
Output low voltage
IOH
Output high leakage current
DECAY INPUT
IO = 5 mA
VO = 3.3 V
VIL
Input low threshold voltage
VIH
Input high threshold voltage
IIN
Input current
H-BRIDGE FETS
For slow decay (brake) mode
For fast decay (coast) mode
VIN = 0 V to 3.3 V
RDS(ON) HS FET on resistance
RDS(ON) LS FET on resistance
IOFF
Off-state leakage current
MOTOR DRIVER
VM = 24 V, IO = 1 A, TJ = 25°C
VM = 24 V, IO = 1 A, TJ = 85°C
VM = 24 V, IO = 1 A, TJ = 25°C
VM = 24 V, IO = 1 A, TJ = 85°C
fPWM Internal current control PWM frequency
tBLANK Current sense blanking time
tR
Rise time
tF
Fall time
PROTECTION CIRCUITS
IOCP
Overcurrent protection trip level
tTSD
Thermal shutdown temperature
CURRENT CONTROL
Die temperature
IREF
VREF input current
VREF = 3.3 V
xVREF = 3.3 V, 100% current setting
VTRIP xISENSE trip voltage
xVREF = 3.3 V, 71% current setting
xVREF = 3.3 V, 38% current setting
AISENSE Current sense amplifier gain
Reference only
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MIN TYP MAX UNIT
5
8 mA
10
20 μA
7.8
8.2 V
3.2
3.3
3.4 V
0.6
0.7 V
2
5.25 V
0.3 0.45
0.6 V
–20
20 μA
33
100 μA
0.5 V
1 μA
0
0.8 V
2
V
±40 μA
0.2
Ω
0.25 0.32
0.2
Ω
0.25 0.32
–20
20 μA
50
3.75
50
50
kHz
μs
300 ns
300 ns
3
A
150
160
180 °C
–3
3 μA
635
660
685
445
469
492 mV
225
251
276
5
V/V
6
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