Datasheet
SLVS317 − MAY 2001
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
5V
5V
DATA
CLOCK
LATCH
NC
12V
AVPP
AVCC
AVCC
AVCC
GND
NC
RESET
3.3V
5V
NC
NC
NC
NC
SHDN
12V
BVPP
BVCC
BVCC
BVCC
NC
OC
3.3V
3.3V
TPS2226
DB PACKAGE
(TOP VIEW)
NC
−
No
internal
connection
functional block diagram
†
CS
CS
S1
S4
‡
‡
CS
S7
‡
CS
S11
‡
Control Logic
SHDN
RESET
DATA
CLOCK
LATCH
OC
GND
UVLO
POR
Current Limit
Thermal Limit
S2
S5
S3
S6
S8
S9
S10
S12
S13
S14
Discharge
Element
13
14
3.3 V
3.3 V
Power
Inputs
3.3V
1
2
24
5 V
5 V
5 V
Power
Inputs
5V
7
12 V
§
Power
Inputs
12V
¶
20
12 V
§
21
12
3
4
5
15
9
10
AVCC
AVCC
17
18
BVCC
BVCC
8
AVPP
19
BVPP
11
Power Outputs
§
†
Diagram shown for 24-pin DB package.
‡
Current sense
§
The two 12-V pins must be externally connected.
¶
No Connections for TPS2223