TMC248-LA DATASHEET (Rev. 1.01 / 2013-MAR-26)
4
1 Key Concepts
+VM
220nF
100µF
RSH
BL1
BL2
VS
TMC248
VT
OSC
OSC
HA1
HA2
680p
VCC
P
P
Under-
voltage
100nF
Coil A
LA2
N
N
Tem-
perature
LA1
SRA
RS
0
1
[MDBN]
[PHA]
[ERR]
SCK
SDI
4
4
DAC
INA
INB
REFSEL
VREF
SDO
CSN
DAC
1
0
[PHB]
SRB
LB1
RS
LB2
N
P
N
ENN
Coil B
VCC/2
HB2
HB1
P
REFSEL
SPE
ANN
AGND
GND
SLP
[MDAN]
stand alone mode
RSLP
[...]: function in stand alone mode
Figure 1.1 TMC248 block diagram
The TMC248 is a dual full bridge driver IC for bipolar stepper motor control applications. The chip is
realized in a HVCMOS technology and directly drives eight external Low-RDS-ON high efficiency
MOSFETs. A 4A driver can be realized in the size of a stamp.
The TMC248 motor driver implements advanced features which are characteristic to TRINAMIC
products. These features contribute toward precision, energy efficiency, reliability, smooth motion, and
cooler operation in stepper motor applications.
In addition to these performance enhancements, TRINAMIC motor drivers also offer safeguards to
detect and protect against short circuit, overtemperature, overvoltage, and undervoltage conditions for
enhancing safety and recovery from equipment malfunctions.
www.trinamic.com
TRINAMIC [ TRINAMIC MOTION CONTROL GMBH & CO. KG. ]
