TMC246A Datasheet, PDF (18/24 Pages) List of Unclassifed Manufacturers – High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnosis and SPI Interface

TMC246 DATA SHEET (V2.01 / Sep. 14th, 2005)
18
Absolute Maximum Ratings
The maximum ratings may not be exceeded under any circumstances.
Symbol Parameter
Min
Max Unit
V_S Supply voltage (A-type)
V_S Supply voltage (non-A-type)
V_MD Supply and bridge voltage max. 20000s
(non-A-type: device disabled)
36
V
30
V
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 (short pulse)
+/-7
A
I_OC Output current
T_A ≤ 85°C
(continuous, one bridge)
T_A ≤ 105°C
1500 mA
1000
T_A ≤ 125°C
800
V_I Logic input voltage
V_IA Analog input voltage
-0.3 V_CC+0.3V V
-0.3 V_CC+0.3V V
I_IO Maximum current to / from digital pins
+/-10 mA
and analog inputs
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
T_AI
T_AA
T_J
V_S
V_S
V_CC
f_CLK
R_SLP
Ambient temperature industrial (1)
Ambient temperature automotive
Junction temperature
Bridge supply voltage (A-type)
Bridge supply voltage (non-A-type)
Logic supply voltage
Chopper clock frequency
Slope control resistor
Min Max Unit
-25 125 °C
-40 125 °C
-40 140 °C
7 34 V
7 28.5 V
3.0 5.5 V
50 kHz
0 110 KΩ
(1) The circuit can be operated up to 140°C, but output power derates.
Copyright © 2005, TRINAMIC Motion Control GmbH & Co KG