TMC2225 DATASHEET (Rev. 1.15 / 2023-FEB-16)
68
Detector levels
DC-Characteristics
Parameter
Symbol Conditions
Min Typ Max Unit
VVS undervoltage threshold for
RESET
VUV_VS
VVS rising
3.5 4.2 4.6
V
V5VOUT undervoltage threshold for VUV_5VOUT V5VOUT rising
RESET
3.5
V
VVCC_IO undervoltage threshold for VUV_VIO
VVCC_IO rising (delay
2.1 2.55 3.0
V
RESET
typ. 10µs)
VVCC_IO undervoltage detector
VUV_VIOHYST
0.3
V
hysteresis
Short to GND detector threshold VOS2G
2
2.5
3
V
(VVS - VOx)
Short to VS detector threshold VOS2VS
1.6
2
2.3
V
(VOx)
Short detector delay
tS2G
(high side / low side switch on
High side output
0.8
1.3
2
µs
clamped to VSP-3V
to short detected)
Overtemperature prewarning
tOTPW
Temperature rising 100 120 140
°C
120°C
Overtemperature shutdown or tOT143
Temperature rising 128 143 163
°C
prewarning 143°C (appr. 153°C IC
peak temp.)
Overtemperature shutdown
tOT150
Temperature rising 135 150 170
°C
150°C (appr. 160°C IC peak temp.)
Overtemperature shutdown
tOT157
Temperature rising 142 157 177
°C
157°C (appr. 167°C IC peak temp.)
Difference between temperature tOTDIFF
Power stage causing
10
°C
detector and power stage
high temperature,
temperature, slow heat up
normal 4 Layer PCB
Sense resistor voltage levels DC-Characteristics
fCLK=16MHz
Parameter
Symbol Conditions
Sense input peak threshold
VSRTL
voltage (low sensitivity)
Sense input peak threshold
VSRTH
voltage (high sensitivity)
Sense input tolerance / motor ICOIL
current full scale tolerance
-using internal reference
vsense=0
csactual=31
CUR_A/B=248
Hyst.=0; IBRxy=0
vsense=1
csactual=31
CUR_A/B=248
Hyst.=0; IBRxy=0
I_scale_analog=0,
vsense=0
Sense input tolerance / motor ICOIL
current full scale tolerance
-using external reference voltage
Internal resistance from pin BRxy RBRxy
to internal sense comparator
(additional to sense resistor)
I_scale_analog=1,
VAIN=2V, vsense=0
Min Typ Max Unit
325
mV
180
mV
-5
+5
%
-2
+2
%
30
mΩ
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