TPS25200 Datasheet, PDF (1/31 Pages) Texas Instruments – 5V eFuse with Precision Adjustable Current Limit and Overvoltage Clamp

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TPS25200
SLVSCJ0A – MARCH 2014 – REVISED MARCH 2014
TPS25200 5V eFuse with Precision Adjustable Current Limit and Overvoltage Clamp
1 Features
•1 2.5 V to 6.5 V Operation
• Input Withstands Up to 20 V
• 7.6 V Input Overvoltage Shutoff
• 5.25 V to 5.55 V Fixed Overvoltge Clamp
• 0.6-μs Overvoltage Lockout Response
• 3.5-μs Short Circuit Response
• Integrated 60-mΩ High-Side MOSFET
• Up to 2.5 A Continuous Load Current
• ±6% Current-Limit Accuracy at 2.9 A
• Reverse Current Blocking While Disabled
• Built-in Soft Start
• Pin-to-Pin Compatible with TPS2553
2 Applications
• USB Power Switch
• USB Slave Devices
• Cell/Smart Phones
• 3G, 4G Wireless Data-card
• Solid State Drives (SSD)
• 3 V or 5 V Adapter Powered Devices
3 Description
The TPS25200 is a 5V eFuse with precision current
limit and overvoltage clamp. The device provides
robust protection for load and source during
overvoltage and overcurrent events.
The TPS25200 is an intelligent protected load switch
with V_IN tolerant to 20 V. In the event that an incorrect
voltage is applied at IN, the output will clamp to 5.4 V
to protect the load. If the voltage at IN exceeds 7.6 V,
the device disconnects the load to prevent damage to
the device and/or load.
The TPS25200 has an internal 60 mΩ power switch
and is intended for protecting source, device, and
load under a variety of abnormal conditions. The
device provides up to 2.5 A of continuous load
current. Current limit is programmable from 85 mA to
2.9 A with a single resistor to ground. During overload
events output current is limited to the level set by
R_ILIM. If a persistent overload occurs the device will
eventually go into thermal shutoff to prevent damage
to the TPS25200.
Device Information
ORDER NUMBER
PACKAGE
BODY SIZE
TPS25200DRV
SON (6)
2mm × 2mm
4 Simplified Schematic
VIO
VIN
300 kΩ
TPS25200DRV
6 IN
CIN
5 GND
OUT 1
ILIM ₂
300 kΩ
Fault signal
VOUT
4 _{EN FAULT} 3
PowerPAD
COUT
RILIM
V_OUT (V)
5.4 V
Figure 1. V_OUT vs V_IN
Over Voltage Clamp
(OVC)
Turn Off
MOSFET
UVLO(2.35V)
OVLO(7.6V)
20 V
V_IN (V)
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.