Datasheet

TMC8462 Datasheet • Document Revision V1.5 • 2019-June-21
192 / 204
Parameter Symbol Conditions Min Typ Max Unit
Over-current protection activa-
tion threshold sourcing
I
OCH
Output sourcing cur-
rent
-100 -150 -500 mA
Over-current protection activa-
tion threshold sinking
I
OCL
Output sinking cur-
rent
100 150 500 mA
200mA sink current capability
time limit
t
OCL200
Output sinking cur-
rent
10 µs
Switching slope (slow) rising t
HVOLH
10% to 90% 100 200 500 ns
Switching slope (slow) falling t
HVOHL
90% to 10% 100 200 500 ns
Switching slope (fast) rising t
HVOLH
10% to 90% 20 ns
Switching slope (fast) falling t
HVOHL
90% to 10% 20 ns
Input filter time constant t
HVIF
Slow slope setting 750 1000 1500 ns
Input threshold (LV mode) V
HVILLL
Input going low,
V
VIOx
=5.5 V
0.8 V
Input threshold (LV mode) V
HVIHLL
Input going high,
V
VIOx
=5.5 V
1.6 V
Input hysteresis (LV mode) V
HVIHYSTL
V
VIOx
=5.5 V 0.1 0.3 V
Input threshold (HV mode) V
HVIHLH
Input going high 0.5 V
VIO
V
Input threshold (HV mode) V
HVILLH
Input going low 0.43 V
VIO
V
Input hysteresis (HV mode) V
HVIHYSTH
0.075 V
VIO
V
Differential mode input offset
voltage (LV mode and fast slope)
V
HVID
Common mode volt-
age >=0.5 V
-10 0 +10 mV
Differential mode input offset
voltage (HV mode or slow slope
setting)
V
HVID
Common mode volt-
age >=2 V
-150 0 +150 mV
Input delay (300mV step) Differential mode,
fast slope
100 ns
Input current per high voltage
I/O pad (HV mode)
I
HVIOH
V
HVIO
= V
VIOx
= 24 V 26 50 µA
Input current per high voltage
I/O pad (LV mode)
I
HVIOH
V
HVIO
= V
VIOx
= 3.0 V to
5 V
10 15 µA
Table 213: High Voltage I/O Block DC Characteristics
8.3.2 Switching Regulators
Parameter Symbol Conditions Min Typ Max Unit
HV supply current per high voltage I/O pad I
VHVIO
No current
driven, static
mode
90 140 µA
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