TPS16630

31

PŸ

IN

OUT

dVdT

ILIM

P_IN

18 k

FLT

GND

SHDN

UVLO

OVP

MODE

IMON

30 k

PGOOD

VIN: 20 V

± 50 V

ON/OFF Control

43 k

20.5 k

887 k

22 nF

100 µF

VOUT

17

TPS1663

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SLVSET9A – SEPTEMBER 2018 – REVISED OCTOBER 2018

Product Folder Links: TPS1663

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Copyright © 2018, Texas Instruments Incorporated

9 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

9.1 Application Information

The TPS1663x is a 60-V eFuse, typically used for Hot-Swap and Power rail protection applications. It operates

from 4.5 V to 60 V with programmable current limit, overvoltage, undervoltage protections. The device aids in

controlling in-rush current and provides output power limiting for systems such as PLCs, Telecom Radios,

Industrial Printers. The device also provides robust protection for multiple faults on the system rail. The Detailed

Design Procedure section can be used to select component values for the device.

9.2 Typical Application

Figure 9. 20 V - 50 V, 1-A eFuse Protection Circuit for Telecom Radios

9.2.1 Design Requirements

Table 2 shows the Design Requirements for TPS16630.

Table 2. Design Requirements

DESIGN PARAMETER

EXAMPLE VALUE

Input voltage range

20 V - 50 V

Undervoltage lockout set point

18 V

Overvoltage cutoff set point

55 V

Over load Current limit

1 A

Output capacitor

100 µF

Inrush Current limit

300 mA