Datasheet
TMC246 DATA SHEET (V2.02 / Jul. 31st, 2006) 21
Copyright © 2005, TRINAMIC Motion Control GmbH & Co KG
DC Characteristics
DC characteristics contain the spread of values guaranteed within the specified supply voltage and
temperature range unless otherwise specified. Typical characteristics represent the average value of
all parts.
Logic supply voltage: V
CC
= 3.0 V ... 5.5 V, Junction temperature: T
J
= -40°C … 150°C,
Bridge supply voltage : V
S
= 7 V … 34 V
(unless otherwise specified)
Symbol Parameter Conditions Min Typ Max Unit
R
OUT,Sink
R
DSON
of sink-transistor T
J
= 25°C
V
S
≥ 8V
0.12 0.19
Ω
R
OUT,Source
R
DSON
of source-transistor T
J
= 25°C
V
S
≥ 8V
0.22 0.36
Ω
R
OUT,Sink
R
DSON
of sink-transistor max. T
J
=150°C
V
S
≥ 8V
0.20 0.26
Ω
R
OUT,Source
R
DSON
of source-transistor max. T
J
=150°C
V
S
≥ 8V
0.37 0.47
Ω
V
DIO
Diode forward voltages of O
xx
MOSFET diodes
T
J
= 25°C
I
OXX
= 1.05A
0.84 1.12 V
V
CCUV
VCC undervoltage 2.5 2.7 2.9 V
V
CCOK
VCC voltage o.k. 2.7 2.9 3.0 V
I
CC
VCC supply current f
osc
= 25 kHz 0.85 1.35 mA
I
CCSTB
VCC supply current standby 0.45 0.75 mA
I
CCSD
VCC supply current shutdown ENN = 1 37 70 µA
V
SUV
VS undervoltage 5.5 5.9 6.2 V
V
CCOK
VS voltage o.k. 6.1 6.4 6.7 V
I
SSM
VS supply current with fastest
slope setting (static state)
V
S
= 14V,
R
SLP
= 0K
6 mA
I
SSD
VS supply current shutdown or
standby
V
S
= 14V 28 50 µA
V
IH
High input voltage
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
2.2 VCC +
0.3 V
V
V
IL
Low input voltage
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
-0.3 0.7 V
V
IHYS
Input voltage hysteresis
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
100 300 500 mV
V
OH
High output voltage
(output SDO)
-I
OH
= 1mA VCC –
0.6
VCC –
0.2
VCC V
V
OL
Low output voltage
(output SDO)
I
OL
= 1mA 0 0.1 0.4 V
-I
ISL
Low input current
(SDI, SCK, CSN, BL1, BL2, SPE, ANN)
V
I
= 0
V
CC
= 3.3V
V
CC
= 5.0V
2
10
25
70 µA
µA
µA
V
ENNH
High input voltage threshold
(input ENN)
1/2 VCC
V
EHYS
Input voltage hysteresis 0.1