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TMC236 데이터시트 PDF




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부품번호 TMC236 기능
기능 High current low power dissipation microstep stepper motor drive
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TMC236 데이터시트, 핀배열, 회로
TMC236/A DATA SHEET (V2.07 / 2011-Aug-10)
1
TMC236/A DATA SHEET
High current, low power dissipation microstep
stepper motor driver with protection /
diagnostics and SPI Interface
TRINAMIC® Motion Control GmbH & Co KG
Hamburg, Germany
WWW.TRINAMIC.COM
Features
The TMC236 / TMC236A (1) is a dual full bridge driver IC for bipolar stepper motor control
applications. It is realized in a HVCMOS technology combined with Low-RDS-ON high efficiency
MOSFETs (pat. pend.). It allows driving a coil current of up to 1500mA even at high environment
temperatures. Its low current consumption and high efficiency together with the miniature package
make it a perfect solution for embedded motion control and for battery powered devices. The low
power dissipation makes the TMC236 an optimum choice for drives, where a high reliability is desired.
Internal DACs allow microstepping as well as smart current control. The device can be controlled by a
serial interface (SPI™i) or by analog / digital input signals. Short circuit, temperature, undervoltage and
overvoltage protection are integrated.
Control via SPI with easy-to-use 12 bit protocol or external analog / digital signals
Short circuit, overvoltage and over temperature protection integrated
Status flags for overcurrent, open load, over temperature, temperature pre-warning, undervoltage
Integrated 4 bit DACs allow up to 16 times microstepping via SPI (can be expanded to 64
microsteps)
Any resolution via analog control
Mixed decay feature for smooth motor operation
Slope control user programmable to reduce electromagnetic emissions
Chopper frequency programmable via a single capacitor or external clock
Current control allows cool motor and driver operation
Internal open load detector
7V to 34V motor supply voltage (A-type)
Up to 1500mA output current and more than 800mA at 105°C
3.3V or 5V operation for digital part
Low power dissipation via low RDS-ON power stage
Standby and shutdown mode available
(1) The term TMC236 in this datasheet always refers to the TMC236A and the TMC236. The major
differences in the older TMC236 are explicitly marked with “non-A-type”. The TMC236A brings a
number of enhancements and is fully backward compatible to the TMC236
Copyright © 2004, TRINAMIC Motion Control GmbH & Co KG
http://www.Datasheet4U.com




TMC236 pdf, 반도체, 판매, 대치품
TMC236/A DATA SHEET (V2.07 / 2011-Aug-10)
Life support policy
TRINAMIC Motion Control GmbH & Co KG does not
authorize or warrant any of its products for use in life
support systems, without the specific written consent
of TRINAMIC Motion Control GmbH & Co KG.
Life support systems are equipment intended to
support or sustain life, and whose failure to perform,
when properly used in accordance with instructions
provided, can be reasonably expected to result in
personal injury or death.
4
© TRINAMIC Motion Control GmbH & Co KG 2005
Information given in this data sheet is believed to be
accurate and reliable. However no responsibility is
assumed for the consequences of its use nor for any
infringement of patents or other rights of third
parties, which may result from its use.
Specifications subject to change without notice.
Copyright © 2004, TRINAMIC Motion Control GmbH & Co KG
http://www.Datasheet4U.com

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TMC236 전자부품, 판매, 대치품
TMC236/A DATA SHEET (V2.07 / 2011-Aug-10)
7
Application Circuit / Block Diagram
+VM
TMC236A
OSC
1nF
OSC
VCC
100nF
Under-
voltage
Tem-
perature
[MDBN] SCK
[PHA] SDI
[ERR] SDO
[PHB] CSN
ENN
VCC/2
SPE
stand alone mode
ANN
[MDAN]
BL1 BL2
VS
220nF
100µF
VT
VSA
RSH
4
DAC
DAC
4
REFSEL
AGND
GND
PP
NN
0
1
REFSEL
VREF
1
0
NN
PP
OA1
OA2
Coil A
BRA
SRA
RS
INA
INB
SRB
BRB
RS
OB1
OB2
Coil B
SLP
RSLP
VSB
[...]: function in stand alone mode
Pin Functions
Pin
VS
VCC
AGND
INA
SCK
SDI
ENN
ANN
BL1, BL2
OA1, OA2
VSA, VSB
Function
Motor supply voltage
Pin
VT
3.0-5.5V supply voltage for analog GND
and logic circuits
Analog ground (Reference for SRA, OSC
SRB, OSC, SLP, INA, INB, SLP)
Analog current control phase A
INB
Clock input of serial interface
SDO
Data input of serial interface
CSN
Device enable (low active), and SPE
overvoltage shutdown input
Enable analog current control via SLP
INA and INB (low active)
Digital blank time select
SRA, SRB
Output of full-bridge A
OB1, OB2
Supply voltage for bridge A/B
BRA, BRB
Function
Short to GND detection comparator
connect to VS if not used
Digital / Power ground
Oscillator capacitor or external clock
input for chopper
Analog current control input phase B
Data output of serial interface (tri-state)
Chip select input of serial interface
Enable SPI mode (high active). Tie to
GND for non-SPI applications
Slope control resistor.
Bridge A/B current sense resistor input
Output of full-bridge B
Bridge A/B sense resistor
Copyright © 2004, TRINAMIC Motion Control GmbH & Co KG
http://www.Datasheet4U.com

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