TPS2041B, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
SLVS514J–APRIL 2004–REVISED DECEMBER 2008 .................................................................................................................................................. www.ti.com
Functional Block Diagram (TPS2044B and TPS2054B)
OC1
Thermal
Sense
GND
Deglitch
EN1
(See Note B)
Current
Driver
Limit
(See Note A)
CS
OUT1
OUT2
UVLO
Power Switch
(See Note A)
IN1
CS
Current
Limit
Driver
OC2
OC3
EN2
(See Note B)
Thermal
Sense
Deglitch
VCC
Selector
Charge
Pump
Thermal
Sense
Deglitch
EN3
(See Note B)
Current
Limit
Driver
(See Note A)
CS
OUT3
OUT4
UVLO
Power Switch
CS
(See Note A)
IN2
Current
Limit
Driver
OC4
EN4
(See Note B)
Thermal
Sense
Deglitch
GND
Note A: Current sense
Note B: Active low (ENx) for TPS2044B; Active high (ENx) for TPS2054B
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Product Folder Link(s): TPS2041B TPS2042B TPS2043B TPS2044B TPS2051B TPS2052B TPS2053B TPS2054B
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