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Protection Switches. TPS259270 Datasheet

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Protection Switches. TPS259270 Datasheet






TPS259270 Switches. Datasheet pdf. Equivalent




TPS259270 Switches. Datasheet pdf. Equivalent





Part

TPS259270

Description

eFuse Protection Switches



Feature


Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TPS259270, TPS259271 SLVSCU8E ⠀“ AUGUST 2015 – REVISED NOVEMBER 201 7 TPS25927x 4.5-V to 18-V eFuse with Bl ocking FET Control 1 Features •1 4.5 -V to 18-V Protection • Integrated 28 -mΩ Pass MOSFET • Absolute Maximum Voltage of 20 V • 1-A to 5-A Adjustab le ILIMIT • ±8% ILIMIT Accuracy .
Manufacture

Texas Instruments

Datasheet
Download TPS259270 Datasheet


Texas Instruments TPS259270

TPS259270; at 3.7A • Reverse Current Blocking Sup port • Programmable OUT Slew Rate, UV LO • Built-in Thermal Shutdown • UL 2367 Recognized – File No. E339631* – *RILIM ≤ 130 kΩ (5 A maximum) †¢ Safe During Single Point Failure Test (UL60950) • Small Foot Print – 10L (3 mm x 3 mm) VSON 2 Applications • HDD and SSD Drives • Set Top Boxes †¢ Servers / AUX Supplies • Fan Control • PCI/.


Texas Instruments TPS259270

PCIe Cards • Adapter Powered Devices 3 Description The TPS25927x family of e Fuses is a highly integrated circuit pr otection and power management solution in a tiny package. The devices use few external components and provide multipl e protection modes. They are a robust d efense against overloads, shorts circui ts, excessive inrush current, and rever se current. Current .


Texas Instruments TPS259270

limit level can be set with a single ext ernal resistor. Applications with parti cular voltage ramp requirements can set dV/dT pin with a single capacitor to e nsure proper output ramp rates. Many sy stems, such as SSDs, must not allow hol dup capacitance energy to dump back thr ough the FET body diode onto a drooping or shorted input bus. The BFET pin is for such systems. .

Part

TPS259270

Description

eFuse Protection Switches



Feature


Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TPS259270, TPS259271 SLVSCU8E ⠀“ AUGUST 2015 – REVISED NOVEMBER 201 7 TPS25927x 4.5-V to 18-V eFuse with Bl ocking FET Control 1 Features •1 4.5 -V to 18-V Protection • Integrated 28 -mΩ Pass MOSFET • Absolute Maximum Voltage of 20 V • 1-A to 5-A Adjustab le ILIMIT • ±8% ILIMIT Accuracy .
Manufacture

Texas Instruments

Datasheet
Download TPS259270 Datasheet




 TPS259270
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
TPS259270, TPS259271
SLVSCU8E – AUGUST 2015 – REVISED NOVEMBER 2017
TPS25927x 4.5-V to 18-V eFuse with Blocking FET Control
1 Features
•1 4.5-V to 18-V Protection
• Integrated 28-mΩ Pass MOSFET
• Absolute Maximum Voltage of 20 V
• 1-A to 5-A Adjustable ILIMIT
• ±8% ILIMIT Accuracy at 3.7A
• Reverse Current Blocking Support
• Programmable OUT Slew Rate, UVLO
• Built-in Thermal Shutdown
• UL 2367 Recognized – File No. E339631*
– *RILIM ≤ 130 kΩ (5 A maximum)
• Safe During Single Point Failure Test (UL60950)
• Small Foot Print – 10L (3 mm x 3 mm) VSON
2 Applications
• HDD and SSD Drives
• Set Top Boxes
• Servers / AUX Supplies
• Fan Control
• PCI/PCIe Cards
• Adapter Powered Devices
3 Description
The TPS25927x family of eFuses is a highly
integrated circuit protection and power management
solution in a tiny package. The devices use few
external components and provide multiple protection
modes. They are a robust defense against overloads,
shorts circuits, excessive inrush current, and reverse
current.
Current limit level can be set with a single external
resistor. Applications with particular voltage ramp
requirements can set dV/dT pin with a single
capacitor to ensure proper output ramp rates.
Many systems, such as SSDs, must not allow holdup
capacitance energy to dump back through the FET
body diode onto a drooping or shorted input bus. The
BFET pin is for such systems. An external NFET can
be connected “Back to Back (B2B)” with the
TPS25927x output and the gate driven by BFET to
prevent current flow from load to source.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS259270
TPS259271
VSON (10)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Application Schematic
Transient: Output Short Circuit
VIN
R1
R2
CdVdT
VIN
OUT
28m:
EN/UVLO
BFET
dV/dT
ILIM
GND
TPS25927x
OUT
COUT
RLIM
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.




 TPS259270
TPS259270, TPS259271
SLVSCU8E – AUGUST 2015 – REVISED NOVEMBER 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings ............................................................ 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information ................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements ............................................... 6
6.7 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 13
7.1 Overview ................................................................. 13
7.2 Functional Block Diagram ....................................... 13
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 16
8 Application and Implementation ........................ 17
8.1 Application Information............................................ 17
8.2 Typical Application ................................................. 17
9 Power Supply Recommendations...................... 22
9.1 Transient Protection ................................................ 22
9.2 Output Short-Circuit Measurements ....................... 23
10 Layout................................................................... 24
10.1 Layout Guidelines ................................................. 24
10.2 Layout Example .................................................... 24
11 Device and Documentation Support ................. 25
11.1 Device Support .................................................... 25
11.2 Documentation Support ....................................... 25
11.3 Related Links ........................................................ 25
11.4 Receiving Notification of Documentation Updates 25
11.5 Community Resources.......................................... 25
11.6 Trademarks ........................................................... 25
11.7 Electrostatic Discharge Caution ............................ 26
11.8 Glossary ................................................................ 26
12 Mechanical, Packaging, and Orderable
Information ........................................................... 26
4 Revision History
Changes from Revision D (January 2017) to Revision E
Page
• Deleted Over Voltage from the Function Block Diagram ...................................................................................................... 1
Changes from Revision C (September 2017) to Revision D
Page
• Changed status of TPS259270 from Preview to Active in the Table 1 .................................................................................. 3
Changes from Revision B (September 2016) to Revision C
Page
• Added Transient junction temperature to Absolute Maximum Ratings table ......................................................................... 4
Changes from Revision A (August 2015) to Revision B
Page
• Added section:Controlled Power Down using TPS25927x ................................................................................................. 20
Changes from Original (August 2015) to Revision A
Page
• Changed from Product Preview to Production Data............................................................................................................... 1
2
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Copyright © 2015–2017, Texas Instruments Incorporated
Product Folder Links: TPS259270 TPS259271




 TPS259270
www.ti.com
PART NUMBER
TPS259271
TPS259270
TPS259270, TPS259271
SLVSCU8E – AUGUST 2015 – REVISED NOVEMBER 2017
UV
4.3 V
4.3 V
Table 1. Device Comparison Table
OV CLAMP
—
—
FAULT RESPONSE
Auto-retry
Latched
STATUS
Active
Active
5 Pin Configuration and Functions
DRC Package
10-Pin VSON
Top View
dV/dT 1
EN/UVLO
VIN
VIN
VIN 5
GND
10 ILIM
BFET
OUT
OUT
6 OUT
PIN
NAME
NO.
BFET
9
dV/dT
1
EN/UVL
2
O
GND
ILIM
OUT
VIN
Thermal
Pad
10
6-8
3-5
Pin Functions
I/O
DESCRIPTION
O
Connect this pin to the gate of a blocking NFET. See the Feature Description
section. This pin can be left floating if it is not used
O
Connect a capacitor from this pin to GND to control the ramp rate of OUT at
device turnon
I
This is a dual function control pin. When used as an ENABLE pin and pulled
down, it shuts off the internal pass MOSFET and pulls BFET to GND. When
pulled high, it enables the device and BFET.
As an UVLO pin, it can be used to program different UVLO trip point via
external resistor divider
—
GND
O
A resistor from this pin to GND sets the overload and short circuit limit
O
Output of the device
I
Input supply voltage
Copyright © 2015–2017, Texas Instruments Incorporated
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3
Product Folder Links: TPS259270 TPS259271



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