Datasheet
TMC2041 DATASHEET (Rev. 1.02 / 2017-MAY-16) 57
www.trinamic.com
Clock oscillator and input
Timing-Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Clock oscillator frequency
f
CLKOSC
t
J
=-50°C
9
12.4
MHz
Clock oscillator frequency
f
CLKOSC
t
J
=50°C
10.1
13.2
17.2
MHz
Clock oscillator frequency
f
CLKOSC
t
J
=150°C
13.4
18
MHz
External clock frequency
(operating)
f
CLK
4
10-16
18
MHz
External clock high / low level
time
t
CLKL
/ t
CLKH
CLK driven to
0.1 V
VIO
/ 0.9 V
VIO
10
ns
External clock first cycle
triggering switching to external
clock source
t
CLK1
CLK driven high
30
25
ns
Detector levels
DC-Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
V
VSA
undervoltage threshold for
RESET
V
UV_VSA
V
VS
rising
3.8
4.2
4.6
V
V
5VOUT
undervoltage threshold for
RESET
V
UV_5VOUT
V
5VOUT
rising
3.5
V
V
VCC_IO
undervoltage threshold for
RESET
V
UV_VIO
V
VCC_IO
rising
1.9
2.55
3.0
V
V
VCC_IO
undervoltage detector
hysteresis
V
UV_VIOHYST
0.1
0.3
0.5
V
Short to GND detector threshold
(V
VSP
- V
Ox
)
V
OS2G
1.5
2.2
3
V
Short to GND detector delay
(high side switch on to short
detected)
t
S2G
High side output
clamped to V
SP
-3V
0.8
1.3
2
µs
Overtemperature prewarning
t
OTPW
Temperature rising
100
120
140
°C
Overtemperature shutdown
t
OT
Temperature rising
135
150
170
°C
Sense resistor voltage levels
DC-Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Sense input peak threshold
voltage (low sensitivity)
V
SRTL
vsense=0
csactual=31
sin_x=248
Hyst.=0; I
BRxy
=0
320
mV
sense input peak threshold
voltage (high sensitivity)
V
SRTH
vsense=1
csactual=31
sin_x=248
Hyst.=0; I
BRxy
=0
180
mV
Sense input tolerance / motor
current full scale tolerance
I
COIL
vsense=0
-5
+5
%
Internal resistance from pin BRxy
to internal sense comparator
(additional to sense resistor)
R
BRxy
20
mΩ