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TPS2560A Datasheet Preview

TPS2560A Datasheet

Dual Channel Precision Adjustable Current-Limited Power Switches

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www.ti.com
TPS2560A
TPS2561A
SLVSB28 DECEMBER 2011
Dual Channel Precision Adjustable Current-Limited Power Switches
Check for Samples: TPS2560A, TPS2561A
FEATURES
1
2 Two separate current limiting channels
Meets USB Current-Limiting Requirements
Adjustable Current Limit, 250 mA2.8 A (typ)
Accurate 2.1A Min / 2.5A Max Setting
(Including Resistor)
Fast Overcurrent Response - 3.5-μs (typ)
Two 44-mHigh-Side MOSFETs
Operating Range: 2.5 V to 6.5 V
2-μA Maximum Standby Supply Current
Built-in Soft-Start
15 kV / 8 kV System-Level ESD Capable
UL Listed File No. E169910
CB & Nemko Certified
APPLICATIONS
USB Ports/Hubs
Digital TV
Set-Top Boxes
VOIP Phones
DESCRIPTION
The TPS2560A and TPS2561A are dual-channel
power-distribution switches intended for applications
where precision current limiting is required or heavy
capacitive loads and short circuits are encountered.
These devices offer a programmable current-limit
threshold between 250 mA and 2.8 A (typ) per
channel via an external resistor. The power-switch
rise and fall times are controlled to minimize current
surges during turn on/off.
Each channel of the TPS2560A/61A devices limits
the output current to a safe level by switching into a
constant-current mode when the output load exceeds
the current-limit threshold. The FAULTx logic output
for each channel independently asserts low during
overcurrent and over temperature conditions.
TPS2560A/61A
DRC PACKAGE
(TOP VIEW)
GND 1
IN 2
IN 3
EN1 4
EN2 5
10 FAULT1
9 OUT1
PAD 8 OUT2
7 ILIM
6 FAULT2
ENx = Active Low for the TPS2560A
ENx = Active High for the TPS2561A
2.5V 6.5V
2x RFAULT
100 kΩ
Fault Signal
Fault Signal
Control Signal
Control Signal
TPS2560A/61A
0.1 μF
IN
OUT1
IN
OUT2
RILIM
ILIM
FAULT1
FAULT2 GND
EN1
EN2
Power Pad
Figure 1. Typical Application as USB Power Switch
VOUT1
VOUT2
2x CLOAD
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.
PowerPAD is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011, Texas Instruments Incorporated




etcTI

TPS2560A Datasheet Preview

TPS2560A Datasheet

Dual Channel Precision Adjustable Current-Limited Power Switches

No Preview Available !

TPS2560A
TPS2561A
SLVSB28 DECEMBER 2011
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
DEVICE (1)
TPS2560A
TPS2561A
AVAILABLE OPTIONS AND ORDERING INFORMATION
AMBIENT
TEMPERATURE (2)
ENABLE
SON (3)
(DRC)
MARKING
RECOMMENDED MAXIMUM
CONTINUOUS LOAD CURRENT PER
CHANNEL
40°C to 85°C
Active low
Active high
TPS2560ADRC
TPS2561ADRC
2560A
2561A
2.5 A
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(2) Maximum ambient temperature is a function of device junction temperature and system level considerations, such as power dissipation
and board layout. See dissipation rating table and recommended operating conditions for specific information related to these devices.
(3) Add an R suffix to the device type for tape and reel.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1) (2)
Voltage range on IN, OUTx, ENx or ENx, ILIM, FAULTx
Voltage range from IN to OUTx
Continuous output current
Continuous total power dissipation
Continuous FAULTx sink current
ILIM source current
HBM
ESD
CDM
ESD system level (contact/air)(3)
TJ Maximum junction temperature
VALUE
0.3 to 7
7 to 7
Internally Limited
See the Dissipation Rating Table
25
Internally Limited
2
500
8/15
40 to OTSD2(4)
UNIT
V
V
mA
mA
kV
V
kV
°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Voltages are referenced to GND unless otherwise noted.
(3) Surges per EN61000-4-2, 1999 applied between USB and output ground of the TPS2560AEVM (HPA424) evaluation module
(documentation available on the Web.) These were the test level, no the failure threshold.
(4) Ambient over temperature shutdown threshold
DISSIPATION RATING TABLE
BOARD
High-K (2)
PACKAGE
DRC
THERMAL
RESISTANCE (1)
θJA
41.6 °C/W
THERMAL
RESISTANCE
θJC
10.7 °C/W
TA 25°C
POWER
RATING
2403 mW
(1) Mounting per the PowerPADTM Thermally Enhanced Package application report (SLMA002)
(2) The JEDEC high-K (2s2p) board used to derive this data was a 3in × 3in, multilayer board with 1-ounce internal power and ground
planes and 2-ounce copper traces on top and bottom of the board.
2
Submit Documentation Feedback
Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): TPS2560A TPS2561A


Part Number TPS2560A
Description Dual Channel Precision Adjustable Current-Limited Power Switches
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