Datasheet
Table Of Contents
- FEATURES
- DESCRIPTION
- FUNCTIONAL BLOCK DIAGRAMS
- DETAILED DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- DISSIPATION RATING TABLE
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING JUNCTION TEMPERATURE RANGE
- ENABLE INPUT ENx OR ENx
- CURRENT LIMIT
- SUPPLY CURRENT (TPS2045A, TPS2055A)
- SUPPLY CURRENT (TPS2046A, TPS2056A)
- SUPPLY CURRENT (TPS2047A, TPS2057A)
- SUPPLY CURRENT (TPS2048A, TPS2058A)
- UNDERVOLTAGE LOCKOUT
- OVERCURRENT OC
- PARAMETER MEASUREMENT INFORMATION
- TYPICAL CHARACTERISTICS
- APPLICATION INFORMATION
- POWER-SUPPLY CONSIDERATIONS
- OVERCURRENT
- OC RESPONSE
- POWER DISSIPATION AND JUNCTION TEMPERATURE
- THERMAL PROTECTION
- UNDERVOLTAGE LOCKOUT (UVLO)
- UNIVERSAL SERIAL BUS (USB) APPLICATIONS
- HOST/SELF-POWERED AND BUS-POWERED HUBS
- LOW-POWER BUS-POWERED FUNCTIONS AND HIGH-POWER BUS-POWERED FUNCTIONS
- USB POWER-DISTRIBUTION REQUIREMENTS
- GENERIC HOT-PLUG APPLICATIONS (see )
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TPS2045A , , TPS2046A
TPS2047A , TPS2048A , TPS2055A
TPS2056A , TPS2057A , TPS2058A
SLVS251C – SEPTEMBER 2000 – REVISED JANUARY 2008
Terminal Functions (continued)
TPS2047A AND TPS2057A
TERMINAL
NO. I/O DESCRIPTION
NAME
TPS2047A TPS2057A
EN1 3 - I Enable input, logic low turns on power switch, IN1-OUT1.
EN2 4 - I Enable input, logic low turns on power switch, IN1-OUT2.
EN3 7 - I Enable input, logic low turns on power switch, IN2-OUT3.
EN1 - 3 I Enable input, logic high turns on power switch, IN1-OUT1.
EN2 - 4 I Enable input, logic high turns on power switch, IN1-OUT2.
EN3 - 7 I Enable input, logic high turns on power switch, IN2-OUT3.
GNDA 1 1 Ground for IN1 switch and circuitry.
GNDB 5 5 Ground for IN2 switch and circuitry.
IN1 2 2 I Input voltage
IN2 6 6 I Input voltage
NC 8, 9, 10 8, 9, 10 No connection
OC1 16 16 O Overcurrent, open drain output active low, IN1-OUT1
OC2 13 13 O Overcurrent, open drain output active low, IN1-OUT2
OC3 12 12 O Overcurrent, open drain output active low, IN2-OUT3
OUT1 15 15 O Power-switch output, IN1-OUT1
OUT2 14 14 O Power-switch output, IN1-OUT2
OUT3 11 11 O Power-switch output, IN2-OUT3
TPS2048A AND TPS2058A
TERMINAL
NO. I/O DESCRIPTION
NAME
TPS2048A TPS2058A
EN1 3 - I Enable input. logic low turns on power switch, IN1-OUT1.
EN2 4 - I Enable input. Logic low turns on power switch, IN1-OUT2.
EN3 7 - I Enable input. Logic low turns on power switch, IN2-OUT3.
EN4 8 - I Enable input. Logic low turns on power switch, IN2-OUT4.
EN1 - 3 I Enable input. Logic high turns on power switch, IN1-OUT1.
EN2 - 4 I Enable input. Logic high turns on power switch, IN1-OUT2.
EN3 - 7 I Enable input. Logic high turns on power switch, IN2-OUT3.
EN4 - 8 I Enable input. Logic high turns on power switch, IN2-OUT4.
GNDA 1 1 Ground for IN1 switch and circuitry.
GNDB 5 5 Ground for IN2 switch and circuitry.
IN1 2 2 I Input voltage
IN2 6 6 I Input voltage
OC1 16 16 O Overcurrent. Open drain output active low, IN1-OUT1
OC2 13 13 O Overcurrent. Open drain output active low, IN1-OUT2
OC3 12 12 O Overcurrent. Open drain output active low, IN2-OUT3
OC4 9 9 O Overcurrent. Open drain output active low, IN2-OUT4
OUT1 15 15 O Power-switch output, IN1-OUT1
OUT2 14 14 O Power-switch output, IN1-OUT2
OUT3 11 11 O Power-switch output, IN2-OUT3
OUT4 10 10 O Power-switch output, IN2-OUT4
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Product Folder Link(s): TPS2045A TPS2046A TPS2047A TPS2048A TPS2055A TPS2056A TPS2057A TPS2058A