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TPS2000C Datasheet(PDF) 14 Page - Texas Instruments

Part # TPS2000C
Description  TPS20xxC and TPS20xxC-2 Current Limited, Power-Distribution Switches
PDF  50 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPS2000C Datasheet(HTML) 14 Page - Texas Instruments

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Charge
Pump
Driver
UVLO
Current
Limit
Thermal
Sense
9-ms
Deglitch
IN
GND
OUT
FLT
Current
Sense
OTSD
CS
EN or
EN
Copyright © 2016, Texas Instruments Incorporated
Charge
Pump
Driver
UVLO
Current
Limit
Thermal
Sense
9-ms
Deglitch
IN
GND
OUT
FLT
Current
Sense
(Disabled+
UVLO)
OTSD
CS
EN or
EN
Copyright © 2016, Texas Instruments Incorporated
14
TPS2000C, TPS2001C, TPS2041C, TPS2051C, TPS2061C
TPS2065C, TPS2065C-2, TPS2068C, TPS2069C, TPS2069C-2
SLVSAU6H – JUNE 2011 – REVISED APRIL 2016
www.ti.com
Product Folder Links: TPS2000C TPS2001C TPS2041C TPS2051C TPS2061C TPS2065C TPS2065C-2 TPS2068C
TPS2069C TPS2069C-2
Submit Documentation Feedback
Copyright © 2011–2016, Texas Instruments Incorporated
8 Detailed Description
8.1 Overview
The TPS20xxC and TPS20xxC-2 are current-limited, power-distribution switches providing a range from 0.5 A
and 2 A of continuous load current in 5-V circuits. These parts use N-channel MOSFETs for low resistance,
maintaining voltage regulation to the load. They are designed for applications where short circuits or heavy
capacitive loads are encountered. Device features include enable, reverse blocking when disabled, output
discharge pulldown, overcurrent protection, overtemperature protection, and deglitched fault reporting.
8.2 Functional Block Diagram
Figure 20. TPS20xxC Block Diagram
Figure 21. TPS20xxC-2 Block Diagram
8.3 Feature Description
8.3.1 Undervoltage Lockout
The undervoltage lockout (UVLO) circuit disables the power switch until the input voltage reaches the UVLO
turnon threshold. Built-in hysteresis prevents unwanted ON/OFF cycling due to input voltage drop from large
current surges. FLT is high impedance when the TPS20xxC and TPS20xxC-2 are in UVLO.



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