TMC222-SI TRINAMIC, TMC222-SI Datasheet - Page 6

• Manufacturer Part Number: TMC222-SI
• Description: IC, MOTOR CTRL/DRVR, STEPPER, SOIC-20
• Manufacturer: TRINAMIC

Specifications of TMC222-SI

• Motor Type: Stepper
• No. Of Outputs: 4
• Output Current: 800mA
• Supply Voltage Range: 8V To 29V
• Driver Case Style: SOIC
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Device Type: Motor
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6
2.5 Miscellaneous
Besides the main blocks the TMC222 contains the following:
2.6 Pin and Signal Descriptions
Copyright © 2004-2007 TRINAMIC Motion Control GmbH & Co. KG
Name
VBAT
GND
VDD
open
CPN
•
•
•
•
•
SDA
CPP
VCP
OB2
OB1
OA2
OA1
SCL
TST
SWI
HW
NC
open
GND
GND
SDA
VDD
CPN
SCL
CPP
TST
an internal charge pump used to drive the high side transistors.
an internal oscillator running at 4 MHz +/- 10% to clock the two wire serial interface, the
positioning unit, and the main control block
internal voltage reference for precise referencing
a 5 Volts voltage regulator to supply the digital logic
protection block featuring Thermal Shutdown, Power-On-Reset, etc.
HW
10
1
2
3
4
5
6
7
8
9
4,7,14,17
SOIC20
12, 19
10
11
13
15
16
18
20
1
2
3
5
6
8
9
11,14,25,26,
3-5,20-22 battery voltage supply
QFN32
31,32
23,24
27,28
29,30
7,16
1,2
Table 1: TMC222 Signal Description
10
12
13
15
17
18
19
8
9
6
SDA Serial Data input/output
SCL Serial Clock input
internal supply (needs external decoupling capacitor)
ground, heat sink
test pin (to be tied to ground in normal operation)
must be left open
hard-wired serial interface address bit input
negative connection of external charge pump capacitor
positive connection of external charge pump capacitor
connection of external charge pump filter capacitor
negative end of phase B coil
positive end of phase B coil
negative end of phase A coil
positive end of phase A coil
reference switch input
internally not connected (shields when connected to ground)
20
19
18
17
16
15
14
13
12
11
SWI
VBAT
OA1
GND
OA2
OB1
GND
OB2
VBAT
VCP
TMC222 DATASHEET (V. 1.06 / March 15, 2007)
VBAT
VBAT
VBAT
SDA
OA1
OA1
SWI
NC
Description
32
9
31
10
30
11
TMC 222
QFN32
Top view
29
12
28
13
27
14
26
15
25
16
OB2
OB2
VBAT
VBAT
VBAT
VCP
CPP
CPN