TPS2066 Datasheet, PDF (6/27 Pages) Texas Instruments – CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

TPS2061, TPS2062, TPS2063
TPS2065, TPS2066, TPS2067
SLVS490B – DECEMBER 2003 – REVISED DECEMBER 2004
Terminal Functions (TPS2062 and TPS2066)
NAME
EN1
EN2
EN1
EN2
GND
IN
OC1
OC2
OUT1
OUT2
TERMINAL
NO.
TPS2062 TPS2066
3
-
4
-
-
3
-
4
1
1
2
2
8
8
5
5
7
7
6
6
I/O
DESCRIPTION
I
Enable input, logic low turns on power switch IN-OUT1
I
Enable input, logic low turns on power switch IN-OUT2
I
Enable input, logic high turns on power switch IN-OUT1
I
Enable input, logic high turns on power switch IN-OUT2
Ground
I
Input voltage
O
Overcurrent, open-drain output, active low, IN-OUT1
O
Overcurrent, open-drain output, active low, IN-OUT2
O
Power-switch output, IN-OUT1
O
Power-switch output, IN-OUT2
Functional Block Diagram
GND
EN1
(See Note B)
Charge
Pump
UVLO
Thermal
Sense
Driver
Deglitch
Current
Limit
(See Note A)
CS
(See Note A)
IN
CS
Charge
Pump
Driver
Current
Limit
EN2
(See Note B)
Thermal
Sense
Note A: Current sense
Note B: Active low (ENx) for TPS2062. Active high (ENx) for TPS2066.
Deglitch
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OC1
OUT1
OUT2
OC2
6