Datasheet > TPS3899PH21-Q1

TPS3899PH21-Q1

更新时间： 2024-11-28 02:31:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
33页	2100K
描述
TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable Sense and Reset Delay

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TPS3899PH21-Q1 数据手册

TPS3899-Q1

SLVSG89A – APRIL 2021 – REVISED SEPTEMBER 2021

TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with

Programmable Sense and Reset Delay

1 Features

3 Description

Qualified for automotive applications:

The TPS3899-Q1 is a nano power, precision voltage

supervisor with ±0.5% threshold accuracy and

programmable sense and reset time delay in a 6-pin

space saving 1.5 mm × 1.5 mm WSON package. The

TPS3899-Q1 is a feature-rich voltage supervisor that

offers the smallest total solution size in its class. Built-

in hysteresis along with programmable delay prevent

false reset signals when monitoring a voltage rail or

push button signals.

•

AEC-Q100 qualified with the following results:

– Device temperature grade 1: –40°C to +125°C

ambient operating temperature

– Device HBM ESD classification level 2

– Device CDM ESD classification level C7B

Designed for high performance:

•

Nano quiescent current: 125 nA (Typical)

High threshold accuracy: ±0.5% (Typical)

Built-in precision hysteresis (V_HYS): 5% (Typical)

The separate VDD and SENSE pins allow for

the redundancy sought by high-reliability systems.

SENSE is decoupled from VDD and can monitor rail

voltages other than VDD. Optional use of external

resistors are supported by the high impedance input

of the SENSE pin. Both CTS and CTR provide delay

adjustability on the rising and falling edges of the

RESET signals. CTS also functions as a debouncer

by ignoring voltage glitches on the monitored voltage

rails and operates as a "manual reset" that can be

used to force a system reset.

Designed for a wide range of applications:

•

Operating voltage range:

– 0.85 V to 6 V (DL and PL outputs)

– 1 V to 6 V (PH output)

•

Adjustable threshold voltage: 0.505 V (Typical)

Precision voltage and push-button monitor

Programmable sense and reset delay

Fixed (V_IT-) voltage: 0.8 V to 5.4 V in 0.1 V steps

The precision performance, best in-class features in

a compact form factor, makes the TPS3899-Q1 an

ideal solution for wide ranging automotive and battery-

powered / low-power applications. The device is fully

specified over a temperature range of

Multiple output topologies / Package type:

•

TPS3899DL-Q1: open-drain, active-low (RESET)

TPS3899PL-Q1: push-pull, active-low (RESET)

TPS3899PH-Q1: push-pull, active-high (RESET)

Package: 1.5-mm × 1.5-mm WSON (DSE)

–40°C to +125°C (T_A).

2 Applications

Device Information

PART NUMBER

PACKAGE ⁽¹⁾

BODY SIZE (NOM)

•

Advance Driver Assistance Systems (ADAS)

Infotainment head unit

Automotive gateway

Camera module

Radar ECU

TPS3899-Q1

WSON (6) DSE

1.5 mm × 1.5 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet

0.85 V to 6.0 V

Automotive external amplifier

*R_pull-up

VDD

SENSE

RESET

CTR

Push-button

input

TPS3899-Q1

CTS

GND

*R_pull-upis required for open-drain variants only

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. PRODUCTION DATA.

12 3 4 5 6 7...33

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与TPS3899PH21-Q1相关器件

型号	品牌	获取价格	描述	数据表
TPS3899PH22DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899PH22-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899PH23DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899PH23-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899PH24DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899PH24-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899PH25DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899PH25-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable
TPS3899PH26DSE	TI	获取价格	Nano 125 nA IQ, 1% Accurate Voltage Supervisor, Push-Button Monitor with Programmable Sens
TPS3899PH26-Q1	TI	获取价格	TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable

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