Datasheet

TMC246 DATA SHEET (V2.02 / Jul. 31st, 2006) 20
Copyright © 2005, TRINAMIC Motion Control GmbH & Co KG
Absolute Maximum Ratings
The maximum ratings may not be exceeded under any circumstances.
Symbol Parameter Min Max Unit
V
S
Supply voltage (A-type) 36 V
V
S
Supply voltage (non-A-type) 30 V
V
MD
Supply and bridge voltage max. 20000s
(non-A-type: device disabled)
40 V
V
TR
Power transistor voltage V
OA
-V
BRA
, V
OB
-
V
BRB,
V
SA
-V
OA
, V
SB
-V
OB
(A-type)
40 V
V
TR
Power transistor voltage V
OA
-V
BRA
, V
OB
-
V
BRB,
V
SA
-V
OA
, V
SB
-V
OB
(non-A-type)
30 V
V
CC
Logic supply voltage -0.5 6.0 V
I
OP
Output peak current (10µs pulse) +/-7 A
T
A
≤ 85°C
1500
T
A
≤ 105°C
1000
I
OC
Output current
(continuous, one bridge)
T
A
≤ 125°C
800
mA
V
I
Logic input voltage -0.3 V
CC
+0.3V V
V
IA
Analog input voltage -0.3 V
CC
+0.3V V
I
IO
Maximum current to / from digital pins
and analog inputs
+/-10 mA
V
VT
Short-to-ground detector input voltage V
S
-1V V
S
+0.3V V
T
J
Junction temperature -40 150 (1) °C
T
STG
Storage temperature -55 150 °C
(1) Internally limited
Electrical Characteristics
Operational Range
Symbol Parameter Min Max Unit
T
AI
Ambient temperature industrial (1) -25 125 °C
T
AA
Ambient temperature automotive -40 125 °C
T
J
Junction temperature -40 140 °C
V
S
Bridge supply voltage (A-type) 7 34 V
V
S
Bridge supply voltage (non-A-type) 7 28.5 V
V
CC
Logic supply voltage 3.0 5.5 V
f
CLK
Chopper clock frequency 50 kHz
R
SLP
Slope control resistor 0 110
KΩ
(1) The circuit can be operated up to 140°C, but output power derates.