TMC5031 DATASHEET (Rev. 1.11 / 2016-APR-28)
67
Clock oscillator and input
Parameter
Timing-Characteristics
Symbol Conditions
Min
Typ
Max Unit
Clock oscillator frequency
Clock oscillator frequency
Clock oscillator frequency
External clock frequency
(operating)
fCLKOSC
fCLKOSC
fCLKOSC
fCLK
tJ=-50°C
tJ=50°C
tJ=150°C
8.8
9.4
9.6
8
12.4
13.2
13.4
17.9
18.8
18.9
18
MHz
MHz
MHz
MHz
12-16
External clock high / low level
time
tCLKL/tCLKH CLK driven to
0.1 VVIO / 0.9 VVIO
25
ns
Detector levels
Parameter
DC-Characteristics
Symbol Conditions
Min
Typ
Max Unit
VVSA undervoltage threshold for
RESET
VUV_VSA
VVSA rising
3.8
4.2
4.6
V
V5VOUT undervoltage threshold for VUV_5VOUT
RESET
Short to GND detector threshold VOS2G
(VVSP - VOx)
V5VOUT rising
3.5
2.2
1.3
V
1.5
0.8
3
2
V
Short to GND detector delay
(high side switch on to short
detected)
tS2G
High side output
clamped to VSP-3V
µs
Overtemperature prewarning
Overtemperature shutdown
tOTPW
tOT
Temperature rising
Temperature rising
100
135
120
150
140
170
°C
°C
Sense resistor voltage levels
Parameter
Sense input peak threshold
voltage (low sensitivity)
DC-Characteristics
Symbol Conditions
Min
Typ
320
Max Unit
mV
VSRTL
VSRTH
ICOIL
vsense=0
csactual=31
sin_x=248
Hyst.=0; IBRxy=0
vsense=1
csactual=31
sin_x=248
Hyst.=0; IBRxy=0
vsense=0
sense input peak threshold
voltage (high sensitivity)
180
mV
Sense input tolerance / motor
current full scale tolerance
-5
+5
%
Internal resistance from pin BRxy RBRxy
to internal sense comparator
20
mΩ
(additional to sense resistor)
Digital logic levels
DC-Characteristics
Parameter
Symbol Conditions
Min
-0.3
0.7 VVIO
Typ
Max Unit
Input voltage low level
Input voltage high level
Input Schmitt trigger hysteresis
VINLO
VINHI
VINHYST
0.3 VVIO
VVIO+0.3
V
V
V
0.12
VVIO
Output voltage low level
Output voltage high level
Input leakage current
VOUTLO
VOUTHI
IILEAK
C
IOUTLO = 2mA
IOUTHI = -2mA
0.2
10
V
V
µA
pF
VVIO-0.2
-10
Digital pin capacitance
3.5
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