Datasheet

www.ti.com
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
NOTES: A. Diagram shown for 24-pin DB package.
B. Current sense
C. The two 12-V pins must be externally connected.
D. No connections for TPS2223A.
See Note B
See Note B
See Note B
See Note B
See Note C
See Note C
See Note C
See Note D
TPS2220A , TPS2223A
TPS2224A , TPS2226A
SLVS428E – MAY 2002 – REVISED MSRCH 2008
FUNCTIONAL BLOCK DIAGRAM OF TPS2223A, TPS2224A and TPS2226A (see Note A)
6 Submit Documentation Feedback Copyright © 2002 – 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS2220A TPS2223A TPS2224A TPS2226A