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TPS25942LRVCR Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS25942LRVCR
Descripción Electrónicos  5A eFuse Power MUX with Multiple Protection Modes
Download  54 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS25942LRVCR Datasheet(HTML) 1 Page - Texas Instruments

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C
= 150 F, R = 4
OUT
L
m
W
TPS25942x
TPS25944x
IN
OUT
EN/UVLO
OVP
DMODE
dVdT
GND
FLT
PGOOD
PGTH
IMON
ILIM
To Load
2.7 to 18 V
RTOTAL =
42 m:
V(IN)
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TPS25942A, TPS25942L, TPS25944A, TPS25944L
SLVSCE9A – JUNE 2014 – REVISED MARCH 2015
TPS25942x/44x 2.7V-18V, 5A eFuse Power MUX with Multiple Protection Modes
1 Features
3 Description
The TPS25942, TPS25944 eFuse Power MUX is a
1
2.7 V – 18 V Operating Voltage, 20 V (Max)
compact, feature rich power management device with
42 m
Ω RON (Typical)
a full suite of protection functions. The wide operating
0.6 A to 5.3 A Adjustable Current Limit (±8%)
range allows control of many popular DC bus
voltages.
Integrated
back-to-back
FETs
provide
IMON Current Indicator Output (±8%)
bidirectional current control making the device well
200 µA Operating IQ (Typical)
suited for power muxing and systems with multiple
15 µA Disabled IQ (Typical)
power sources.
±2% Overvoltage, Undervoltage Thresholds
Load, source and device protection are provided with
Reverse Current Blocking
many
programmable
features.
Thresholds
for
undervoltage, overvoltage, overcurrent, dVo/dt ramp
1 µs Reverse Voltage Shutoff
rate, power good, and in-rush current protection are
Programmable dVo/dt Control
all
programmable
to
suit
specific
system
Power Good and Fault Outputs
requirements. For system status monitoring and
Two Overcurrent Fault Response Options
downstream
load
control,
the
device
provides
PGOOD, FLT and precise current monitor output.
TPS25942: I(LIMIT) with Thermal Shutdown
The TPS25942, TPS25944 monitor V(IN) and V(OUT) to
TPS25944: 4 ms Fault Timer then Shutoff
provide true reverse blocking from output when V(IN) <
-40°C to 125°C Junction Temperature Range
(V(OUT) - 10 mV). The device can be configured to
UL 2367 Recognized
assign Main/Auxiliary supply priority using the FLT
File No. 169910
and DMODE pins.
RILIM ≥ 20 kΩ (4.81 A max)
Device Information(1)
UL60950 Safe during Single Point Failure
PART NUMBER(2)
PACKAGE
BODY SIZE (NOM)
Open/Short ILIM detection
TPS25942L
TPS25942A
WQFN (20)
3.00 mm x 4.00 mm
2 Applications
TPS25944L
Power Path Management
TPS25944A
Redundant Power Supply Systems
(1) For all available packages, see the orderable addendum at
the end of the datasheet
PCIe cards, NICs and RAID Systems
(2) TPS2594xL = Latched, TPS2594xA = Auto Retry
USB Power Banks, Power MUXes
SSDs and HDDs
Tablets and Notebooks
Adapter Power Devices
PLCs, SS Relays and Fan Control
4 Simplified Schematic
Failover of V(MAIN) = 12 V to V(AUX) = 12.3 V
Using Diode Mode Control
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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.


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