Datasheet

TMC262 DATASHEET (Rev. 2.14 / 2016-JUL-14) 52
www.trinamic.com
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
W
Driver active output voltage
V
HSON
I
OUT
= 0mA
V
VHS
+2.8
V
VHS
+2.3
V
VHS
+1.8
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.
High-Side Voltage Regulator
DC-Characteristics
V
VS
= 24.0V
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output voltage (V
VS
– V
HS
)
V
HSVS
I
OUT
= 0mA
T
J
= 25°C
9.3
10.0
10.8
V
Output resistance
R
VHS
Static load
50
W
Deviation of output voltage
over the full temperature
range
V
VHS(DEV)
T
J
= full range
60
200
mV
DC Output current
I
VHS
(from VS to VHS)
4
mA
Current limit
I
VHSMAX
(from VS to VHS)
15
mA
Series regulator transistor
output resistance (determines
voltage drop at low supply
voltages)
R
VHSLV
400
1000
W