www.ti.com
..................................................................................................................................................
SLVS514J – APRIL 2004 – REVISED DECEMBER 2008
DEVICE INFORMATION
Terminal Functions (TPS2041B and TPS2051B)
TERMINAL
D AND DGN PACKAGE
NAME
EN
EN
GND
IN
OC
OUT
TPS2041B
4
–
1
2, 3
5
6, 7, 8
TPS2051B
–
4
1
2, 3
5
6, 7, 8
DBV PACKAGE
TPS2041B
4
–
2
5
3
1
TPS2051B
–
4
2
5
3
1
I
O
O
I
I
Enable input, logic low turns on power switch
Enable input, logic high turns on power switch
Ground
Input voltage
Overcurrent open-drain output, active-low
Power-switch output
I/O
DESCRIPTION
Functional Block Diagram (TPS2041B and TPS2051B)
(See Note A)
IN
Charge
Pump
Current
Limit
OC
UVLO
Thermal
Sense
Deglitch
CS
OUT
EN
(See Note B)
Driver
GND
Note A: Current sense
Note B: Active low (EN) for TPS2041B; Active high (EN) for TPS2051B
Copyright © 2004–2008, Texas Instruments Incorporated
5
Product Folder Link(s):
TI [ TEXAS INSTRUMENTS ]
