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DRV8860_16 Datasheet, PDF (6/41 Pages) Texas Instruments – 8-Channel Serial Interface Low-Side Driver
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DRV8860, DRV8860A
SLRS065E – SEPTEMBER 2013 – REVISED NOVEMBER 2015
7.5 Electrical Characteristics
TA = 25°C, over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
POWER SUPPLIES
I(VM)
VM operating supply current
VM = 24 V
V(UVLO)
VM undervoltage lockout voltage
VM rising
LOGIC-LEVEL INPUTS (DIN, CLK, LATCH, ENABLE)
VIL
Input low voltage
VIH
Input high voltage
VHYS
Input hysteresis
IIL
Input low current
VIN = 0
IIH
Input high current
VIN = 3.3 V
RPD
Input pulldown resistance
nFAULT, DOUT OUTPUTS (OPEN-DRAIN OUTPUTS)
VOL
Output low voltage
IOH
Output high leakage current
RPU
Input pullup resistance
LOW-SIDE FET DRIVERS
IO = 5 mA
VO = 3.3 V, nFAULT
DOUT only (Pull up to internal 5.7 V)
Rds(on)
FET on resistance
IOFF
Off-state leakage current
HIGH-SIDE FREE-WHEELING DIODES
VM = 24 V, IO = 150 mA, TJ = 25°C
VM = 24 V, IO = 150 mA, TJ = 85°C
VM = 24 V, TJ = 25°C, DRV8860
VM = 24 V, TJ = 25°C, DRV8860A
VF
Diode forward voltage
PROTECTION CIRCUITS
VM = 2 4V, IO = 150 mA, TJ = 25°C
IOCP
Overcurrent protection trip level
IOL
Open load detect pull-down current
VOL
Open load detect threshold voltage
TTSD
Thermal shutdown temperature
THYS
Thermal shutdown hysteresis
PWM CHOPPING FREQUENCY
Each channel separately monitored
Per channel, DRV8860 only
Per channel, DRV8860 only
Die temperature
Die temperature
Duty cycle is > 25%
fPWM
PWM chopping frequency
Duty cycle is 25%
Duty cycle is 12.5%
7.6 Timing Requirements
tF
Fall time
IO = 150 mA, VM = 24 V, resistive load
tOCP
Overcurrent protection deglitch
time
VM = 24 V
tOL
Open load detect deglitch time Each channel separately monitored
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MIN TYP MAX UNIT
3
4.5 mA
8.2 V
0
0.7 V
1.5
5.3 V
100
mV
–20
20 µA
100 µA
100
kΩ
0.5 V
–1
1 µA
1.4
kΩ
1.5
Ω
1.8
0
30
µA
-0.5
0.5
0.9
V
620
mA
30
µA
1.2
V
150
160
180 °C
35
°C
45
50
22
25
11 12.5
55
28 kHz
14
MIN
TYP
MAX UNIT
50
300 ns
2.0
3.0
3.85 µs
14
17
20 µs
6
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