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TPS2559-Q1 Datasheet Preview

TPS2559-Q1 Datasheet

Precision Adjustable Current-Limited Power-Distribution Switch

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TPS2559-Q1
SLVSD03 – DECEMBER 2015
TPS2559-Q1 Precision Adjustable Current-Limited Power-Distribution Switch
1 Features
1 Qualified for Automotive Applications AEC-Q100
Qualified With the Following Results:
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C5
• 2.5 to 6.5 V Operating Range
• Adjustable 1.2 to 4.7 A I(LIMIT) (±4.7% at 4.7 A)
• 3.5 µs Short Circuit Shutoff (Typical)
• 13-mΩ High-Side MOSFET
• 2-µA Maximum Standby Supply Current
• Built-in Soft-Start
• Reverse Current Blocking when Disabled
• 8 kV / 15 kV System-Level ESD Capable
• 10-Pin SON (3-mm × 3-mm) Package with
Wettable Flanks
2 Applications
• Automotive USB Ports/Hubs
• Automotive Internal Load Switch
3 Description
The TPS2559-Q1 power-distribution switch is
intended for applications where a low resistance,
precision current limit switch is required or heavy
capacitive loads are encountered. The TPS2559-Q1
provides up to 5.5 A of continuous load current with a
precise current limit set by a single resistor to ground.
Output current is maintained at a safe level by
switching into a constant-current mode when the
output load exceeds the current-limit threshold.
During overload events the output current is limited to
the level set by R(ILIM). If a persistent overload occurs,
the device goes into thermal shutoff to prevent
damage to the TPS2559-Q1.
The power-switch rise and fall times are controlled to
minimize current surges during turn on or off. The
FAULT logic output asserts low during overcurrent or
overtemperature conditions.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS2559-Q1
VSON (10)
3.00mm x 3.00mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic
TPS2559 -Q1DRC
2.5V-6.5V 0.1PF
I N 2/3/ 4
OUT 7/8/9
VOUT
RFAULT
FAULT
Signal
Control
Signal
COUT
10 FAULT
5 EN
Power
PAD
ILIM 6
GND
1
RILIM
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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TPS2559-Q1 Datasheet Preview

TPS2559-Q1 Datasheet

Precision Adjustable Current-Limited Power-Distribution Switch

No Preview Available !

TPS2559-Q1
SLVSD03 – DECEMBER 2015
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 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Timing Requirements ............................................... 6
7.7 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 Application and Implementation........................ 12
10.1 Application Information.......................................... 12
10.2 Typical Application ............................................... 12
11 Power Supply Recommendations ..................... 19
12 Layout................................................................... 20
12.1 Layout Guidelines ................................................. 20
12.2 Layout Example .................................................... 20
13 Device and Documentation Support ................. 21
13.1 Community Resources.......................................... 21
13.2 Trademarks ........................................................... 21
13.3 Electrostatic Discharge Caution ............................ 21
13.4 Glossary ................................................................ 21
14 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
DATE
December 2015
REVISION
*
NOTES
Initial release.
2
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Product Folder Links: TPS2559-Q1
Copyright © 2015, Texas Instruments Incorporated


Part Number TPS2559-Q1
Description Precision Adjustable Current-Limited Power-Distribution Switch
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