TMC246/A ETC2 [List of Unclassifed Manufacturers], TMC246/A Datasheet - Page 20

• Manufacturer Part Number: TMC246/A
• Description: High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnosis and SPI Interface
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

TMC246 DATA SHEET (V2.01 / Sep. 14th, 2005)
AC Characteristics
AC characteristics contain the spread of values guaranteed within the specified supply voltage and
temperature range unless otherwise specified. Typical characteristics represent the average value of
all parts.
Logic supply voltage:
Ambient temperature: T
Thermal Protection
Copyright © 2005, TRINAMIC Motion Control GmbH & Co KG
Symbol Parameter
Symbol
V
T
T
t
t
t
T
V
RS
RS
RS
V
V
R
JWTHYS
V
V
SROFFS
f
JOTHYS
T
ONMIN
T
T
OSC
OSCH
OSCL
TRIP
INAB
, t
, t
, t
JWT
VTD
SRS
JOT
BL
FS
FS
FS
Oscillator frequency
using internal oscillator
Rise and fall time of outputs Oxx
with R
Rise and fall time of outputs Oxx
with R
Rise and fall time of outputs Oxx
with R
Effective Blank time
Minimum PWM on-time
(input ENN)
High input voltage threshold
(input OSC)
Low input voltage threshold
(input OSC)
VT threshold voltage
(referenced to VS)
SRA / SRB voltage at
DAC=”1111”
SRA / SRB overcurrent detection
threshold
SRA / SRB comparator offset
voltage
INA / INB input resistance
Parameter
Thermal shutdown
T
Prewarning temperature
T
JOT
JWT
hysteresis
hysteresis
SLP
SLP
SLP
=0
= 25KΩ
= 50KΩ
V
A
CC
= 27°C
= 5.0V,
internal ref. or
2V at INA / INB
Vin ≤ 3 V
C
±1%
V
I
V
I
V
I
BL1, BL2 =
GND
Conditions
BL1, BL2 = V
Conditions
OXX
OXX
OXX
o
o
o
OSC
Bridge supply voltage: V
15% to 85%
15% to 85%
15% to 85%
= 800mA
= 800mA
= 800mA
= 1nF
CC
1.35
-130
Min
315
570
175
Min
145
135
tbd
tbd
-10
20
S
2/3 VCC
1/3 VCC
= 14.0V,
V
Typ
125
250
-155
1.5
0.7
Typ
350
615
264
25
25
155
145
ENNH
15
15
0
Max
1.65
31
-180
Max
165
155
385
660
300
tbd
tbd
10
Unit
kHz
Unit
ns
ns
ns
µs
µs
mV
mV
mV
mV
kΩ
°C
°C
°C
°C
V
V
20