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TPS2590 Datasheet Preview

TPS2590 Datasheet

20-V High-Current Load Switch

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TPS2590
www.ti.com
SLUS960G – JULY 2009 – REVISED JANUARY 2014
5-A, 20-V High-Current Load Switch
Check for Samples: TPS2590
FEATURES
1
2 Integrated Pass MOSFET
• Up to 20-V Bus Operation
• Programmable Fault Timer
• Programmable Fault Current
• Programmable Hard Current-Limit
• Fast Disable
• Thermal Shutdown
• Load Fault Alert
• Latching and Auto-retry Operation
• 4-mm x 4-mm QFN
• –40°C to 125°C Junction Temperature Range
• UL2367 Recognized - File Number E169910
APPLICATIONS
• RAID Arrays
• Telecommunications
• Plug-In Circuit Boards
• Disk Drives
• SSDs
• PCIE
• Fan Control
• Notebooks and Netbooks
DESCRIPTION
The TPS2590 device provides highly integrated hot-
swap power management and superior protection in
applications where the load is powered by busses up
to 20 V. The maximum UV turn-on threshold of 2.9 V
makes the TPS2590 device well suited to standard
bus voltages as low as 3.3 V. This device is intended
for systems where a voltage bus must be protected to
prevent load shorts from interrupting or damaging
other system components. The TPS2590 device is in
a 16-pin QFN package.
The TPS2590 device has multiple programmable
protection features. Load protection is accomplished
by a non-current-limiting fault threshold, a hard
current-limit threshold, and a fault timer. The dual
current thresholds allow the system to draw high
current for short periods without causing a voltage
droop at the load. An example of this is a disk drive
startup. This technique is ideal for loads that
experience brief high demand, but benefit from
protection levels consistent with average current
draw.
Hotswap MOSFET protection is provided by power
limit circuitry which protects the internal MOSFET
against SOA related failures.
The TPS2590 device provides a fault indicator output
and allows latch off or retry on fault.
12-V, 3.5-A APPLICATION
Input
Voltage Bus
IN
16 EN
TPS2590
OUT
FLT 15
CLOAD
RTRY
6
GND
ILIM IFLT
CT
Optional: To
7
8
9
System Monitor
40.2 kW 49.9 kW 0.1 mF
Output To Voltage Bus
or DC-to-DC Converter
UDG-10102
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 © 2009–2014, Texas Instruments Incorporated




etcTI

TPS2590 Datasheet Preview

TPS2590 Datasheet

20-V High-Current Load Switch

No Preview Available !

TPS2590
SLUS960G – JULY 2009 – REVISED JANUARY 2014
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted) (1) (2)
Input voltage range IN, OUT
Voltage range FLT
Output sink current FLT
Input voltage range, EN
Input current, RTRY ( RTRY internally clamped to 3 V) RTRY = 0 V
Voltage range CT(3), IFLT(3) ,ILIM(3), RTRY
ESD rating
Human body model (HBM)
Charged device model (CDM)
Operating junction temperature range, TJ
Storage temperature range, Tstg
MIN
MAX
–0.3
25
–0.3
20
10
–0.3
6
35
–0.3
3
2.5
400
Internally Limited
–65
150
UNIT
V
mA
V
uA
V
kV
V
°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) All voltage values are with respect to GND.
(3) Do not apply voltage to pin.
DISSIPATION RATINGS(1) (2) (3) (4)
PACKAGE
RSA
θJA LOW K, °C/W
211
θJA HIGH K, °C/W
55
θJA BEST 4, °C/W
50
(1) Tested per JEDEC JESD51, natural convection. The definitions of high-k and low-k are per JESD 51-7and JESD 51-3.
(2) Low-k (2 signal - no plane, 3-inch by 3-inch board, 0.062-inch thick, 1-oz copper) test board with the pad soldered, and an additional
0.12 inch. 2 of top-side copper added to the pad.
(3) High-k is a (2 signal – 2 plane) test board with the pad soldered.
(4) The best case thermal resistance is obtained using the recommendations per SLMA002A (2 signal - 2 plane with the pad connected to
the plane).
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
Input voltage range IN, OUT
Voltage range EN
Voltage range FLT
Output sink current FLT
Voltage range RTRY
CCT
Output current, IOUT
RRFLT
RRLIM
Junction temperature
MIN
NOM
MAX UNIT
3
20
0
5
V
0
20
0
1
mA
0
3
V
0.1
nF
0
5.5
A
49.9
200
kΩ
40.2
100
kΩ
–40
125
°C
2
Submit Documentation Feedback
Product Folder Links: TPS2590
Copyright © 2009–2014, Texas Instruments Incorporated


Part Number TPS2590
Description 20-V High-Current Load Switch
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