TMC5161 DATASHEET (Rev. 1.01 / 2018-NOV-20)
6
+VM
22n
100V
100n
16V
470n
CE
+VM
VSA
CB2
CB
CB
TMC5161
charge pump
HS
HS
12VOUT
5VOUT
11.5V Voltage
regulator
step multiplier
CB1
100n
2.2µ
2.2µ
microPlyer
ꢀ
5V Voltage
regulator
Standstill
current
reduction
2R2
OB1
OB2
VCC
470n
LS
LS
RSB
CSN
SCK
SDI
SRBH
SPI interface
47R
47R
spreadCycle &
stealthChop
Chopper
RS
N
stepper
motor
SDO
programmable
sine table
4*256 entry
SRBL
CA2
S
Control register
set
x
DIAG / INT out
and
Single wire
interface
Stepper driver
B.Dwersteg, ©
DIAG1
DIAG0
B.Dwersteg,
©
TRPINroAtMeIcCti2o0n14
TRINAMIC 2014
CB
CB
& diagnostics
HS
HS
CA1
coolStep
opt. ext. clock
12-16MHz
OA1
OA2
CLK_IN
VCC_IO
stallGuard2
dcStep
+VIO
LS
LS
3.3V or 5V
I/O voltage
RSA
100n
SRAH
47R
47R
mode selection
RS
SRAL
pd
pd
pd
+VIO +VIO
dcStep control
opt. driver enable
Figure 1.2 TMC5161 STEP/DIR application diagram
+VM
22n
100V
100n
16V
470n
CE
+VM
VSA
12VOUT
5VOUT
CB2
CB1
CB
TMC5161
charge pump
HS
HS
11.5V Voltage
regulator
CB
step multiplier
100n
2.2µ
2.2µ
microPlyer
ꢀ
5V Voltage
regulator
Standstill
current
reduction
2R2
OB1
OB2
VCC
470n
LS
LS
CFG0
CFG1
CFG2
CFG3
CFG4
CFG5
CFG6
RSB
Microstep Resolution
8 / 16 / 32 / 64
SRBH
47R
47R
spreadCycle &
stealthChop
Chopper
Configuration
interface
(GND or VCC_IO
level)
Run Current Setting
16 / 18 / 20 / 22 /
24 / 26 / 28 / 31
RS
N
stepper
motor
Control register
set (default
values)
programmable
sine table
4*256 entry
SRBL
CA2
S
x
pd
pd
Stepper driver
B.Dwersteg, ©
TRPINroAtMeIcCtion
spreadCycle (GND) /
stealthChop (VCC_IO)
Current Reduction
Enable (VCC_IO)
B.Dwersteg,
©
& diagno2s0t1ic4s
TRINAMIC 2014
CB
CB
B.Dwersteg, ©
TRINAMIC 2014
HS
HS
CA1
DIAG1
DIAG0
Index pulse
Driver error
Status out
(open drain)
OTP
OA1
OA2
opt. ext. clock
12-16MHz
CLK_IN
LS
LS
+VIO
RSA
3.3V or 5V
I/O voltage
VCC_IO
SRAH
100n
47R
47R
mode selection
RS
SRAL
pd
+VIO
Standalone mode
dcStep control
opt. driver enable
Figure 1.3 TMC5161 standalone driver application diagram
1.1 Key Concepts
The TMC5161 implements advanced features which are exclusive to TRINAMIC products. These features
contribute toward greater precision, greater energy efficiency, higher reliability, smoother motion, and
cooler operation in many stepper motor applications.
www.trinamic.com