Datasheet > TPS3899DL44DSE

TPS3899DL44DSE

更新时间： 2024-11-28 02:29:59

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德州仪器 - TI		/
页数	文件大小	规格书
23页	999K
描述
Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sense and Reset Delay

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TPS3899DL44DSE 数据手册

TPS3899

www.ti.com

SLVSFM0 – SEPTEMBER 2020

TPS3899

Nano 125 nA I_Q, 1% Accurate Voltage Supervisor, Push-Button Monitor with

Programmable Sense and Reset Delay

1 Features

3 Description

•

Supply voltage monitor and push-button monitor

VDD range: 0.7 V to 6 V

Programmable sense and reset delay

Nano quiescent current: 125 nA (typ)

High threshold accuracy: ±0.5% (typ)

Precision hysteresis: 5% (typ)

Adjustable threshold voltage: 0.51 V (typ)

Multiple output topologies

– DL: open-drain active-low

– PL: push-pull active-low

– PH: push-pull active-high

Temperature range: –40°C to +125°C

Package: 1.5-mm × 1.5-mm WSON

The TPS3899 is a nano-Iq, precision voltage

supervisor that monitors system voltages or push-

button inputs as low as 0.51 V. When the voltage of

SENSE drops below the V_IT-threshold, RESET/

RESET will toggle after the programmed sense delay,

set by CTS, has been reached. The TPS3899 asserts

an open-drain or push-pull RESET/RESET signal to

active-low logic (RESET) or active-high logic (RESET).

The RESET/RESET output remains active until the

SENSE voltage returns above the rising voltage

threshold (V_IT-+ V_HYS) for the reset delay set by CTR.

The TPS3899 family uses a precision reference to

achieve ±1% threshold accuracy. The sense delay

and reset delay time can be user-adjusted by

connecting a capacitor to the CTS and CTR pins

respectively. The TPS3899 has a nano quiescent

current of 125 nA (typ) and is available in a small 1.5-

mm × 1.5-mm WSON package, making the device

•

2 Applications

•

Electricity meters

Building Automation

well-suited

for

battery-powered

and

space-

Body Control Module (BCM)

Data center and enterprise computing

Notebooks, desktop computers, servers

Smartphones, hand-held products

Portable, battery-powered equipment

Solid-state drives

constrained applications. The device is fully specified

over a temperature range of –40°C to +125°C (T_A).

Device Information

PART NUMBER

TPS3899

PACKAGE ⁽¹⁾

BODY SIZE (NOM)

WSON (6) DSE

1.50 mm × 1.50 mm

STB & DVR

1. For all available packages, see the orderable

addendum at the end of the data sheet

0.7 V to 6.0 V

*R_pull-up

VDD

SENSE

RESET

CTR

Push-button

input

TPS3899

CTS

GND

R_pull-uprequired for open-drain variants only

Figure 3-1. Typical Application Circuit

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. ADVANCE INFORMATION for preproduction products; subject to change

Submit Document Feedback

without notice.

Product Folder Links: TPS3899

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与TPS3899DL44DSE相关器件

型号	品牌	获取价格	描述	数据表
TPS3899DL44-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899DL45DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899DL45-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899DL46DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899DL46-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899DL47DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899DL47-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899DL48DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899DL48-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899DL49DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens

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