PS3762D02OVDDFR中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

1 Features

? SIL-3 Functional Safety-compliant product targeted

– Documentation to aid IEC 61508 system design

– Systematic capability up to SIL-3 targeted

– Hardware capability up to SIL-3 targeted

? Device flexibility to meet design requirements

– Wide voltage threshold range: 2.7 V to 60 V

– 800mV option - use with external resistor

divider to set threshold

– Built-in hysteresis (2 , 5 , and 10 options)

– Fixed and programmable reset time delay

– Fixed and programmable detection delay

? Monitor high voltage power rails

– Wide input voltage range: 2.7 V to 65 V

– Reverse polarity protection on sense pin -65 V

– No external components required to power off

of high voltage rail

? Fast UV/OV protection in 12/24/48 V systems

– Output reset latching feature

– Ultra-fast detection time delay option(<5 μs)

– Built-In Self-Test

2 Applications

? Single & Multiaxis Servo Drive

? Industrial & Collaborative Robot

? Avionics

? PLC, DCS & PAC

3 Description

The TPS3762 is a 65 V input voltage supervisor

with 4 μA IDD, 0.9 accuracy, fast detection time,

and a Built-In Self-Test feature. This device can be

connected directly to 12 V / 24 V industrial SELV

power rails for continuous monitoring of overvoltage

(OV) and undervoltage (UV) conditions; with its

internal resistor divider, TPS3762 offers the smallest

total solution size. Wide hysteresis voltage options

are available to ignore large voltage transients. Builtin

hysteresis on the SENSE pin prevents false reset

signals when monitoring a supply voltage rail.

The separate VDD and SENSE pins allow

redundancy sought by high-reliability systems and

SENSE can monitor higher and lower voltages than

VDD. Optional use of external resistors are supported

by the high impedance input of the SENSE pin. CTS

and CTR pins allow delay adjustability on the falling

and rising edges of the RESET signal. The CTS

functions as a debouncer by ignoring voltage glitches

on the monitored voltage rails.

The TPS3762 is available in a 2.9 mm × 1.6 mm

SOT23 8-pin package. TPS3762 operates over -40°C

to +150°C TA.