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TPS2550DRVR Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS2550DRVR
Description  ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
Download  31 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS2550DRVR Datasheet(HTML) 1 Page - Texas Instruments

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1
FEATURES
DESCRIPTION
APPLICATIONS
* USB Requirement that downstream-facing ports
are bypassed with at least 120 F per hub
m
IN
FAULT
EN
OUT
ILIM
GND
PowerPAD
USBData
USB
Port
120 F*
m
R
15k
ILIM
W
0.1 F
m
R
100k
FAULT
W
INPUT
5VUSB
ControlSignal
TPS2550/51
FAULT Signal
2
1
3
5
6
4
OUT
EN
GND
ILIM
FAULT
IN
TPS2550/TPS2551
DBVPACKAGE
(TOP VIEW)
TPS2550/TPS2551
DRVPACKAGE
(TOP VIEW)
2
1
3
5
6
4
OUT
EN
GND
ILIM
FAULT
IN
EN= ActiveLowfortheTPS2550
EN= ActiveHighfortheTPS2551
TPS2014600mA
TPS20151 A
TPS2041B500mA
TPS2051B500mA
TPS2045A
250mA
TPS2049100mA
TPS2055A
250mA
TPS20611 A
TPS20651 A
TPS20681.5 A
TPS20691.5 A
TPS2042B500mA
TPS2052B500mA
TPS2046B250mA
TPS2056250mA
TPS20621 A
TPS20661 A
TPS20601.5 A
TPS20641.5 A
TPS2080500mA
TPS2081500mA
TPS2082500mA
TPS2090250mA
TPS2091250mA
TPS2092250mA
TPS2043B500mA
TPS2053B500mA
TPS2047B250mA
TPS2057A
250mA
TPS20631 A
TPS20671 A
TPS2044B500mA
TPS2054B500mA
TPS2048A
250mA
TPS2058250mA
TPS2085500mA
TPS2086500mA
TPS2087500mA
TPS2095250mA
TPS2096250mA
TPS2097250mA
TPS201xA
0.2 A to2 A
TPS202x0.2 A to2 A
TPS203x0.2 A to2 A
GENERAL SWITCHCATALOG
33m ,Single
W
80m ,Single
W
80m ,Dual
W
80m ,Dual
W
80m , Triple
W
80m ,Quad
W
80m ,Quad
W
TPS2550
TPS2551
www.ti.com .................................................................................................................................................... SLVS736A – FEBRUARY 2008 – REVISED JULY 2008
ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
2
• Adjustable Current-Limit, 100 mA–1100 mA
• Fast Overcurrent Response - 2 µS Typical
The
TPS2550/51
power-distribution
switch
is
intended for applications where heavy capacitive
• 85-mΩ High-Side MOSFET (DBV Package)
loads and short-circuits are likely to be encountered,
• Reverse Input-Output Voltage Protection
incorporating a 100-m
Ω, N-channel MOSFET in a
• Operating Range: 2.5 V to 6.5 V
single package. The current-limit threshold is user
adjustable between 100 mA and 1.1 A via an external
• Deglitched Fault Report
resistor. The power-switch rise and fall times are
• 1-µA Maximum Standby Supply Current
controlled
to
minimize
current
surges
during
• Ambient Temperature Range: –40°C to 85°C
switching.
• Built-in Soft-Start
The device limits the output current to a desired level
• 15 kV ESD Protection (with external
by switching into a constant-current mode when the
capacitance)
output load exceeds the current-limit threshold or a
short is present. An internal reverse-voltage detection
• UL Listed – File No. E169910
comparator disables the power-switch in the event
• Current-limit Resistor Calculator – SLVC163
that the output voltage is driven higher than the input
to protect devices on the input side of the switch. The
FAULT
logic
output
asserts
low
during
both
overcurrent and reverse-voltage conditions.
• USB Ports/Hubs
• Cell phones
• Laptops
• Heavy Capacitive Loads
• Reverse-Voltage Protection
Figure 1. Typical Application as USB Power
Switch
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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