TPS2041B, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
SLVS514J–APRIL 2004–REVISED DECEMBER 2008 .................................................................................................................................................. www.ti.com
Terminal Functions (TPS2042B and TPS2052B)
TERMINAL
D, DGN, and DRB PACKAGES
I/O
DESCRIPTION
NAME
EN1
EN2
EN1
EN2
GND
IN
TPS2042B
TPS2052B
3
4
-
-
I
I
I
I
Enable input, logic low turns on power switch IN-OUT1
Enable input, logic low turns on power switch IN-OUT2
Enable input, logic high turns on power switch IN-OUT1
Enable input, logic high turns on power switch IN-OUT2
Ground
-
3
4
1
2
8
5
7
6
-
1
2
8
5
7
6
I
Input voltage
OC1
OC2
OUT1
OUT2
O
O
O
O
Overcurrent, open-drain output, active low, IN-OUT1
Overcurrent, open-drain output, active low, IN-OUT2
Power-switch output, IN-OUT1
Power-switch output, IN-OUT2
Internally connected to GND; used to heat-sink the part to the circuit board
traces. Should be connected to GND pin.
PowerPAD™
-
-
Functional Block Diagram (TPS2042B and TPS2052B)
OC1
Thermal
Deglitch
Sense
GND
EN1
(See Note B)
Current
Driver
Limit
Charge
Pump
(See Note A)
CS
OUT1
OUT2
UVLO
(See Note A)
IN
CS
Charge
Pump
Current
Driver
Limit
OC2
EN2
(See Note B)
Thermal
Sense
Deglitch
Note A: Current sense
Note B: Active low (ENx) for TPS2042B; Active high (ENx) for TPS2052B
6
Submit Documentation Feedback
Copyright © 2004–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS2041B TPS2042B TPS2043B TPS2044B TPS2051B TPS2052B TPS2053B TPS2054B
TI [ TEXAS INSTRUMENTS ]
