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TPS2561 Datasheet Preview

TPS2561 Datasheet

Dual Channel Precision Adjustable Current-limited Power Switches

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TPS2560, TPS2561
SLVS930C – DECEMBER 2009 – RTEVPISSE2D56O0C,TTOPBESR22506210
SLVS930C – DECEMBER 2009 – REVISED OCTOBER 2020
TPS256x Dual Channel Precision Adjustable Current-limited Power Switches
1 Features
• Two separate current limiting channels
• Meets USB current-limiting requirements
• Adjustable current limit: 250 mA to 2.8 A (typ)
• ± 7.5% current-limit accuracy at 2.8 A
• Fast overcurrent response: 3.5 μs (typ)
• Two 44-mΩ high-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 and Nemko certified
2 Applications
• USB ports, hubs
• Digital TVs
• Set-top boxes
• VOIP phones
3 Description
The TPS2560 and TPS2561 (TPS256x) 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 through an
external resistor. The power-switch rise and fall times
are controlled to minimize current surges during turn
on and off.
Each channel of the TPS256x devices limit 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 overtemperature conditions.
Device Information (1)
PART NUMBER
PACKAGE BODY SIZE (NOM)
TPS2560, TPS2561
VSON (10)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
VIN = 5V
2x RFAULT
100 kΩ
Faultx Signals
Control Signals
TPS 2560 /61
0.1 uF
IN
OUT1
IN
OUT2
24.9kΩ
ILIM
FAULT 1
FAULT 2 GND
EN1
EN2
Thermal Pad
Typical Application Diagram
VOUT1
VOUT2
2x 150 µF
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
Copyrighint t©el2le0c2t0uTael xparsoIpnesrtrtuymmeanttsteIrnscoarnpdoraottehder important disclaimers. PRODUCTION DATA.
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Product Folder Links: TPS2560 TPS2561




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TPS2561 Datasheet Preview

TPS2561 Datasheet

Dual Channel Precision Adjustable Current-limited Power Switches

No Preview Available !

TPS2560, TPS2561
SLVS930C – DECEMBER 2009 – REVISED OCTOBER 2020
www.ti.com
Table of Contents
1 Features............................................................................1
2 Applications..................................................................... 1
3 Description.......................................................................1
4 Revision History.............................................................. 2
5 Device Comparison Table...............................................3
6 Pin Configuration and Functions...................................3
7 Specifications.................................................................. 4
7.1 Absolute Maximum Ratings........................................ 4
7.2 ESD Ratings............................................................... 4
7.3 ESD Ratings: Surge....................................................4
7.4 Recommended Operating Conditions.........................4
7.5 Thermal Information....................................................5
7.6 Electrical Characteristics.............................................5
7.7 Dissipation Ratings..................................................... 6
7.8 Typical Characteristics................................................ 7
8 Parameter Measurement Information............................ 9
9 Detailed Description......................................................10
9.1 Overview................................................................... 10
9.2 Functional Block Diagram......................................... 10
9.3 Feature Description...................................................10
9.4 Device Functional Modes..........................................11
10 Power Supply Recommendations..............................18
10.1 Self-Powered and Bus-Powered Hubs................... 18
10.2 Low-Power Bus-Powered and High-Power
Bus-Powered Functions.............................................. 18
11 Layout........................................................................... 19
11.1 Layout Guidelines................................................... 19
11.2 Layout Example...................................................... 20
12 Device and Documentation Support..........................21
12.1 Receiving Notification of Documentation Updates..21
12.2 Support Resources................................................. 21
12.3 Trademarks............................................................. 21
12.4 Electrostatic Discharge Caution..............................21
12.5 Glossary..................................................................21
13 Mechanical, Packaging, and Orderable
Information.................................................................... 21
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (December 2015) to Revision C (October 2020)
Page
• Updated the numbering format for tables, figures and cross-references throughout the document...................1
• Added OUTx parameter to Absolute Maximum Ratings table ........................................................................... 4
Changes from Revision A (February 2012) to Revision B (December 2015)
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and
Implementation section, Power Supply Recommendations section, Layout section, Device and
Documentation Support section, and Mechanical, Packaging, and Orderable Information section................... 1
Changes from Revision * (December 2009) to Revision A (February 2012)
Page
• Changed VENx to V ENx in Recommended Operating Conditions....................................................................... 4
• Changed V ENx to VENx in Recommended Operating Conditions....................................................................... 4
2
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Product Folder Links: TPS2560 TPS2561
Copyright © 2020 Texas Instruments Incorporated


Part Number TPS2561
Description Dual Channel Precision Adjustable Current-limited Power Switches
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