TPS2041B, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
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SLVS514G–APRIL 2004–REVISED OCTOBER 2006
Functional Block Diagram (TPS2043B and TPS2053B)
OC1
Thermal
Sense
GND
Deglitch
EN1
(See Note B)
Current
Limit
Driver
(See Note A)
CS
CS
OUT1
OUT2
UVLO
(See Note A)
IN1
Current
Limit
Driver
OC2
EN2
(See Note B)
Thermal
Sense
Deglitch
Charge
Pump
VCC
Selector
(See Note A)
IN2
CS
OUT3
OC3
Current
Limit
EN3
Driver
(See Note B)
UVLO
Deglitch
Thermal
Sense
GND
Note A: Current sense
Note B: Active low (ENx) for TPS2043B; Active high (ENx) for TPS2053B
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