8
TMC223 DATASHEET (V. 1.05 / March 7, 2011)
3 Typical Application
External
Switch
Connect to
GND or VBAT
Two wire serial Interface
1
SDA
SCL
VDD
GND
TST
open
GND
HW
SWI
VBAT
OA1
20
19
18
17
16
15
14
13
12
11
SWI
1k
Ω /1/4W
2.7 nF
2
3
100 nF
1 µF
100 nF
Tantalum
4
5
6
GND
OA2
M
OB1
VBAT
7
GND
OB2
Connect to
GND or VBAT
8...29 V
8
1kΩ
/1/4W
100 nF
9
CPN
CPP
VBAT
VCP
220 nF
16 V
220 nF
16 V
100 µF
10
Figure 1: TMC223 Typical Application
Notes :
•
•
•
•
•
Resistors tolerance +- 5%
2.7nF capacitors: 2.7nF is the minimum value, 10nF is the maximum value
the 1µF and 100µF must have a low ESR value
100nF capacitors must be close to pins VBB and VDD
220nF capacitors must be as close as possible to pins CPN, CPP, VCP and VBB to reduce EMC radiation.
4 Ordering Information
Part No.
TMC223-SI
TMC223-LI
Package
Peak Current
800mA
Temperature Range
-40°C..125°C
SOIC-20
QFN32
800mA
-40°C..125°C
Table 2: Ordering Information
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