Datasheet

OUT
OC
IN
EN
GND
Current
Limit
Driver
UVLO
Charge
Pump
CS
Thermal
Sense
Deglitch
Note A: Current sense
Note B: Active low (EN
) for TPS2041B; Active high (EN) for TPS2051B
(See Note A)
(See Note B)
TPS2041B, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
www.ti.com SLVS514L –JUNE 2010– REVISED JUNE 2011
DEVICE INFORMATION
Terminal Functions (TPS2041B and TPS2051B)
TERMINAL
D AND DGN PACKAGE DBV PACKAGE I/O DESCRIPTION
NAME TPS2041B TPS2051B TPS2041B TPS2051B
EN 4 – 4 – I Enable input, logic low turns on power switch
EN – 4 – 4 I Enable input, logic high turns on power switch
GND 1 1 2 2 Ground
IN 2, 3 2, 3 5 5 I Input voltage
OC 5 5 3 3 O Overcurrent open-drain output, active-low
OUT 6, 7, 8 6, 7, 8 1 1 O Power-switch output
Figure 1. Functional Block Diagram (TPS2041B and TPS2051B)
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