BQ4802LYPW - Texas Instruments

Manufacturer Part Number

BQ4802LYPW

Manufacturer

Texas Instruments

Introduction

The BQ4802LYPW is a real-time clock (RTC) integrated circuit (IC) with a built-in lithium battery backup, alarm, and supervisory functions.

Product Features and Performance

Operates on 2.7V to 3.6V main supply voltage

Backup battery input voltage range of 2.4V to 4V

Timekeeping current of 1.5mA (typical) at 2.7V to 3.6V

Supports 12/24 hour time format

Tracks year, month, date, day, hour, minute, and second

Automatic leap year correction

Programmable alarm with day/date match

Watchdog timer function

Supervisor function to monitor power supply

Product Advantages

Highly integrated real-time clock solution

Low power consumption for extended battery life

Automatic leap year correction for hassle-free timekeeping

Programmable alarm and watchdog timer for enhanced system monitoring

Key Technical Parameters

Operating temperature range: 0°C to 70°C

Package: 28-TSSOP (0.173", 4.40mm width)

Mounting type: Surface mount

Quality and Safety Features

RoHS3 compliant

Compatibility

Suitable for a wide range of embedded systems and applications that require a real-time clock with backup battery

Application Areas

Embedded systems

Industrial automation

Consumer electronics

Instrumentation

Battery-powered devices

Product Lifecycle

The BQ4802LYPW is an active product and not nearing discontinuation.

Replacement or upgraded products may be available in the future, but the BQ4802LYPW remains a reliable and widely used real-time clock solution.

Key Reasons to Choose This Product

Highly integrated real-time clock with advanced features

Low power consumption for extended battery life

Automatic leap year correction for hassle-free timekeeping

Programmable alarm and watchdog timer for enhanced system monitoring

RoHS3 compliance for environmental sustainability

Widely compatible with a variety of embedded systems and applications