Datasheet

TMC262 / TMC262C DATASHEET (Rev. 2.22 / 2019-FEB-22) 56
www.trinamic.com
NMOS Low-Side Driver
DC Characteristics
V
LSX
= 2.5V, slope setting controlled by SLPL
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Gate drive current LSx
low-side switch ON
a)
I
LSON
SLPL=%00/%01
12
mA
Gate drive current LSx
low-side switch ON
a)
I
LSON
SLPL=%10
21
mA
Gate drive current LSx
low-side switch ON
a)
I
LSON
SLPL=%11, TMC262
20
31
50
mA
SLPL=%11, TMC262C
25
36
60
mA
Gate drive current LSx
low-side switch OFF
a)
I
LSOFF
SLPL=%00/%01
-13
mA
Gate drive current LSx
low-side switch OFF
a)
I
LSOFF
SLPL=%10
-25
mA
Gate drive current LSx
low-side switch OFF
a)
I
LSOFF
SLPL=%11, TMC262
-25
-37
-60
mA
SLPL=%11, TMC262C
-35
-45
-70
mA
Gate off detector threshold
V
GOD
V
LSX
falling
1
V
Q
GD
protection resistance after
detection of gate off
R
LSOFFQGD
SLPL=%11
V
LSX
= 1V
26
50

Driver active output voltage
V
LSON
V
VCC
V
Notes:
a) Low-side drivers behave similar to a constant-current source between 0V and 2.5V (switching
on) and between 2.5V and 5V (switching off), because switching MOSFETs go into saturation.
At 2.5V, the output current is about 85% of peak value. This is the value specified.
PMOS High-Side Driver
DC Characteristics
V
VS
= 24.0V, V
VS
- V
HSX
= 2.5V, slope setting controlled by SLPH
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Gate drive current HSx
high-side switch ON
b)
I
HSON
SLPH=%00/%01
-15
mA
Gate drive current HSx
high-side switch ON
b)
I
HSON
SLPH=%10
-29
mA
Gate drive current HSx
high-side switch ON
b)
I
HSON
SLPH=%11
-25
-42
-70
mA
Gate drive current HSx
high-side switch OFF
c)
I
HSOFF
SLPH=%00/%01
15
mA
Gate drive current HSx
high-side switch OFF
c)
I
HSOFF
SLPH=%10
29
mA
Gate drive current HSx
high-side switch OFF
c)
I
HSOFF
SLPH=%11
28
43
70
mA
Gate off detector threshold
V
GOD
V
HSX
rising
V
VS
-1
V
Q
GD
protection resistance after
detection of gate off
R
HSOFFQGD
SLPH=%11
V
HSX
= V
VS
- 1V
32
60

Driver active output voltage
V
HSON
I
OUT
= 0mA, TMC262
V
VHS
+2.8
V
VHS
+2.3
V
VHS
+1.8
V
I
OUT
= 0mA, TMC262C
V
VHS
-0
V
VHS
V
VHS
+0
V
Notes:
b) High-side switch on drivers behave similar to a constant-current source between V
VS
and
V
VS
–2.5V. At V
VS
-2.5V, the output current is about 90% of peak value. This is the value specified.
c) High-side switch off drivers behave similar to a constant current source between V
VS
-8V and
V
VS
-2.5V. At V
VS
-2.5V, the output current is about 65% of peak value. This is the value specified.