TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Over-current protection activa- IOCH
tion threshold sourcing
Output sourcing cur- -100 -150
rent
-500 mA
Over-current protection activa- IOCL
Output sinking cur- 100
rent
150
500
mA
µs
tion threshold sinking
200mA sink current capability tOCL200
time limit
Output sinking cur- 10
rent
Switching slope (slow) rising
Switching slope (slow) falling
Switching slope (fast) rising
Switching slope (fast) falling
Input filter time constant
Input threshold (LV mode)
tHVOLH
tHVOHL
tHVOLH
tHVOHL
tHVIF
10% to 90%
100
100
200
200
20
500
500
ns
ns
ns
ns
90% to 10%
10% to 90%
90% to 10%
20
Slow slope setting
750
1000
1500 ns
V
VHVILLL
Input
going
low, 0.8
VVIOx=5.5 V
Input threshold (LV mode)
VHVIHLL
Input going high,
VVIOx=5.5 V
1.6
V
Input hysteresis (LV mode)
Input threshold (HV mode)
Input threshold (HV mode)
Input hysteresis (HV mode)
VHVIHYSTL VVIOx=5.5 V
VHVIHLH Input going high
VHVILLH Input going low
0.1
0.3
V
0.5 VVIO
0.43 VVIO
0.075 VVIO
0
V
V
VHVIHYSTH
V
Differential mode input offset VHVID
voltage (LV mode and fast slope)
Common mode volt- -10
age >=0.5 V
+10
mV
Differential mode input offset VHVID
voltage (HV mode or slow slope
setting)
Common mode volt- -150
age >=2 V
0
+150 mV
Input delay (300mV step)
Differential
mode,
100
50
ns
µA
µA
fast slope
Input current per high voltage IHVIOH
I/O pad (HV mode)
VHVIO = VVIOx = 24 V
26
10
Input current per high voltage IHVIOH
I/O pad (LV mode)
VHVIO = VVIOx = 3.0 V to
5 V
15
Table 213: High Voltage I/O Block DC Characteristics
8.3.2 Switching Regulators
Parameter
Symbol
Conditions
Min Typ
90
Max
140
Unit
µA
HV supply current per high voltage I/O pad
IVHVIO
No
current
driven, static
mode
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