
TMC249 / TMC249A DATA SHEET (V2.02 / Aug 12th, 2005)
22
Copyright 2005, TRINAMIC Motion Control GmbH & Co KG
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V
CCUV
VCC undervoltage
2.5
2.7
2.9
V
V
CCOK
VCC voltage o.k.
2.7
2.9
3.0
V
I
CC
VCC supply current
f
osc
= 25 kHz
0.85
1.35
mA
I
CCSTB
VCC supply current standby
0.45
0.75
mA
I
CCSD
VCC supply current shutdown
ENN = 1
37
70
μA
V
SUV
VS undervoltage
5.5
5.9
6.2
V
V
CCOK
VS voltage o.k.
6.1
6.4
6.7
V
I
SSM
VS supply current with maximum
current setting (static state)
V
S
= 14V,
R
SLP
= 0K
6
mA
I
SSD
VS supply current shutdown or
standby
V
S
= 14V
28
50
μA
V
IH
High input voltage
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
2.2
VCC +
0.3 V
V
V
IL
Low input voltage
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
-0.3
0.7
V
V
IHYS
Input voltage hysteresis
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
100
300
500
mV
V
OH
High output voltage
(output SDO)
-I
OH
= 1mA
VCC –
0.6
VCC –
0.2
VCC
V
V
OL
Low output voltage
(output SDO)
I
OL
= 1mA
0
0.1
0.4
V
-I
ISL
Low input current
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
V
I
= 0
V
CC
= 3.3V
V
CC
= 5.0V
2
10
25
70
μA
μA
μA
V
ENNH
High input voltage threshold
(input ENN)
1/2 VCC
V
EHYS
Input voltage hysteresis
(input ENN)
0.1
V
ENNH
V
OSCH
High input voltage threshold
(input OSC)
tbd
2/3 VCC
tbd
V
V
OSCL
Low input voltage threshold
(input OSC)
tbd
1/3 VCC
tbd
V
V
VTD
VT threshold voltage
(referenced to VS)
-130
-155
-180
mV
V
TRIP
SRA / SRB voltage at
DAC=”1111”
internal ref. or
2V at INA / INB
315
350
385
mV
V
SRS
SRA / SRB overcurrent detection
threshold
570
615
660
mV
V
SROFFS1
SRA / SRB comparator offset
voltage (Standard device)
-10
0
10
mV
V
SROFFS2
SRA / SRB comparator offset
voltage (Selected device)
-6
0
6
mV
R
INAB
INA / INB input resistance
Vin
≤
3 V
175
264
360
k