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TPS259230 Datasheet Preview

TPS259230 Datasheet

eFuse

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TPS259230, TPS259231
SLVSCV0B – AUGUST 2015 – REVISED SEPTEMBER 2016
TPS25923x 5-V eFuse with Over Voltage Protection and Blocking FET Control
1 Features
1 5-V eFuse, VABSMAX = 20 V
• Integrated 28-mPass MOSFET
• Fixed 6.1-V Over Voltage Clamp
• 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
• Adapter Powered Devices
• HDD and SSD Drives
• Set Top Boxes
• Servers / AUX Supplies
• Fan Control
• PCI/PCIe Cards
3 Description
The TPS25923x 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, voltage surges, excessive inrush
current, and reverse current.
Current limit level can be set with a single external
resistor. Over voltage events are limited by internal
clamping circuits to a safe fixed maximum, with no
external components required. Applications with
particular voltage ramp requirements can set dV/dT
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
TPS25923x output and the gate driven by BFET to
prevent current flow from load to source (see
Figure 43).
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS259230
TPS259231
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
TPS25923x
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.




etcTI

TPS259230 Datasheet Preview

TPS259230 Datasheet

eFuse

No Preview Available !

TPS259230, TPS259231
SLVSCV0B – AUGUST 2015 – REVISED SEPTEMBER 2016
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 ................................................. 5
7.5 Electrical Characteristics.......................................... 5
7.6 Timing Requirements ............................................... 6
7.7 Typical Characteristics .............................................. 7
8 Detailed Description ............................................ 13
8.1 Overview ................................................................. 13
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 16
9 Application and Implementation ........................ 17
9.1 Application Information............................................ 17
9.2 Typical Applications ............................................... 17
10 Power Supply Recommendations ..................... 23
10.1 Transient Protection .............................................. 23
10.2 Output Short-Circuit Measurements ..................... 24
11 Layout................................................................... 25
11.1 Layout Guidelines ................................................. 25
11.2 Layout Example .................................................... 25
12 Device and Documentation Support ................. 26
12.1 Device Support .................................................... 26
12.2 Documentation Support ....................................... 26
12.3 Related Links ........................................................ 26
12.4 Receiving Notification of Documentation Updates 26
12.5 Community Resources.......................................... 26
12.6 Trademarks ........................................................... 26
12.7 Electrostatic Discharge Caution ............................ 26
12.8 Glossary ................................................................ 27
13 Mechanical, Packaging, and Orderable
Information ........................................................... 27
4 Revision History
Changes from Revision A (August 2015) to Revision B
Page
• Added section: Controlled Power Down using TPS25923x ................................................................................................ 22
Changes from Original (August 2015) to Revision A
Page
• Changed from Product Preview to Production Data .............................................................................................................. 1
2
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Product Folder Links: TPS259230 TPS259231


Part Number TPS259230
Description eFuse
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