Datasheet

TMC2209 DATASHEET (Rev. 1.03 / 2019-JUN-26) 12
www.trinamic.com
VCC_IO
TMC2209
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)
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
stallGuard4
coolStep
STDBY
opt. low power standby
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
TMC2209
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)
IREF
Step Pulse
Generator
STEP
DIR
Step and Direction
motion control
Optional – bridges the internal 5V
reference – leave away if standby is
desired
optional UART interface
stallGuard4
coolStep
STDBY
opt. low power standby
Figure 3.3 5V only operation