Datasheet

TMC220X, TMC222X DATASHEET (Rev. 1.02 / 2017-MAY-16) 16
www.trinamic.com
VCC_IO
TMC22xx
Step&Dir input
5V Voltage
regulator
charge pump
22n
50V
100n
16V
CLK_IN
ENN
GND
DIE PAD
opt. ext. clock
10-16MHz
3.3V or 5V
I/O voltage
100n
microPlyer
Full Bridge A
Full Bridge B
+V
M
VS
stepper
motor
N
S
OA1
OA2
OB1
OB2
Driver
100n
BRB
100µF
CPI CPO
BRA
100n
VCP
Analog Scaling
VREF
VREF
opt. driver enable
Programmable
Diagnostic
Outputs
Configuration
Interface
MS1
MS2
SPREAD
INDEX
DIAG
Configuration
(GND/open or VCC_IO)
Index pulse
Driver error
PDN/UART
B. Dwersteg, ©
TRINAMIC 2016
Trimmed
CLK oscillator/
selector
UART interface
+ Register Block
Configuration
Memory (OTP)
(not with TMC2202)
(only TMC222x)
stealthChop2
spreadCycle
Integrated
Rsense
IREF
IREF
256 Microstep
Sequencer
Step Pulse
Generator
Stand Still
Current
Reduction
STEP
DIR
2.2µ
6.3V
5VOUT
Step and Direction
motion control
R
REF
Attention:
Start with ENN=high!
Set GCONF.1 or OTP0.6
prior to enabling the driver!
Low ESR type
Connect directly
to GND plane
Connect directly
to GND plane
Place near IC with
short path to die pad
optional UART interface
Figure 3.2 Application circuit using RDSon based sensing
3.3 5V Only Supply
22n
50V
100n
16V
ENN
GND
DIE PAD
microPlyer
Full Bridge A
Full Bridge B
4.7-5.4V
VS
stepper
motor
N
S
OA1
OA2
OB1
OB2
Driver
100n
BRB
100µF
CPI CPO
BRA
R
SA
R
SB
100n
VCP VREF
opt. driver enable
stealthChop2
spreadCycle
Integrated
Rsense
IREF
256 Microstep
Sequencer
Stand Still
Current
Reduction
10µ
6.3V
5VOUT
10R
Use low inductivity SMD
type, e.g. 1206, 0.5W for
R
SA
and R
SB
Low ESR type
Place near IC with
short path to die pad
Connect directly
to GND plane
Connect directly
to GND plane
VCC_IO
TMC22xx
Step&Dir input
5V Voltage
regulator
charge pump
CLK_IN
opt. ext. clock
10-16MHz
3.3V or 5V
I/O voltage
100n
Analog Scaling
VREF
Programmable
Diagnostic
Outputs
Configuration
Interface
MS1
MS2
SPREAD
INDEX
DIAG
Configuration
(GND/open or VCC_IO)
Index pulse
Driver error
PDN/UART
B. Dwersteg, ©
TRINAMIC 2016
Trimmed
CLK oscillator/
selector
UART interface
+ Register Block
Configuration
Memory (OTP)
(not with TMC2202)
(only TMC222x)
IREF
Step Pulse
Generator
STEP
DIR
Step and Direction
motion control
Optional – bridges the
internal 5V reference
optional UART interface
Figure 3.3 5V only operation
While the standard application circuit is limited to roughly 5.2 V lower supply voltage, a 5 V only
application lets the IC run from a 5 V +/-5% supply. In this application, linear regulator drop must be