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Name: DP8573AV/NOPB
Brand: Texas Instruments
SKU: DP8573AV/NOPB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments DP8573AV/NOPB

Part No.:: DP8573AV/NOPB

Manufacturer:: Texas Instruments

Package:: 28-LCC (J-Lead)

Datasheet:: DP8573AV/NOPB.pdf

Description:: IC RTC CLK/CALENDAR PAR 28-PLCC

In Stock:: 517

Quantity:: Add To Cart

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DP8573AV/NOPB Specifications

Package/Case:
28-LCC (J-Lead)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.2V ~ 5.1V
Current-Timekeeping(Max):
1µA @ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DP8573AV/NOPB this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DP8573AV/NOPB price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DP8573AV/NOPB to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DP8573AV/NOPB information

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DP8573AV/NOPB Typical application Circuitry

DP8573AV NOPB

The DP8573AV/NOPB is a real-time clock (RTC) chip designed by Texas Instruments, offering precision time and date tracking. It integrates a time-of-day clock/calendar, alarm functions, a programmable square wave output, and a voltage sense input for power-fail detection. The device is highly suited for applications requiring accurate timekeeping under battery backup conditions, such as in embedded systems, industrial control systems, communication equipment, and data loggers.

Key Features and Parameters:

- Integrated Time-of-Day Clock/Calendar: Tracks hours, minutes, and seconds, along with the day, month, and year.

- Alarm Function: Can be set to trigger on a specific time and date, useful for scheduling events or reminders.

- Programmable Square Wave Output: Offers configurable frequencies for timing signals or periodic system checks.

- Voltage Sense Input: Detects power failures and automatically switches to battery operation, ensuring uninterrupted timekeeping.

- Battery Backup Operation: Maintains timekeeping and device operation during power outages.

Application Scenario: Implementing the DP8573AV/NOPB in an industrial control system to manage scheduled maintenance tasks based on precise time intervals.

Circuit Design:

Incorporating the DP8573AV/NOPB into an industrial control system requires careful attention to pin configuration and connectivity:

1. Power Supply Connection (VDD to Pin 24, VSS to Pin 12): Supply a stable 5V power to VDD (Pin 24) and connect VSS (Pin 12) to ground. Stable power supply is crucial for accurate timekeeping.

2. Battery Backup (VBAK to Pin 23): Connect a 3V lithium battery to the VBAK pin (Pin 23) for battery backup operation. This connection ensures uninterrupted timekeeping during power failures.

3. Clock Output (SQW/OUT to Pin 20): Program the SQW/OUT pin (Pin 20) to generate a square wave signal for periodic system checks. The frequency selection is crucial for coordinating maintenance tasks.

4. Alarm Interrupt (INT to Pin 19): Connect the INT pin (Pin 19) to the control system's interrupt input. Configure the alarm function to signal scheduled maintenance tasks, ensuring timely operations.

5. I2C Interface (SDA to Pin 1, SCL to Pin 2): Interface the SDA and SCL pins with the control system's I2C bus for setting and reading the RTC. Reliable communication over I2C facilitates easy configuration and retrieval of time data.

6. Oscillator Circuit (X1 to Pin 15, X2 to Pin 16): Connect a 32.768 kHz crystal oscillator between X1 and X2 pins for the clock function. Including load capacitors near the crystal is essential for oscillator stability.

Design Considerations:

- Power Supply Decoupling: Place decoupling capacitors close to the power supply pins to minimize noise, ensuring stable operation of the RTC.

- Crystal Oscillator Selection: Choose a high-quality crystal with low drift characteristics to maintain accurate timekeeping over temperature and time.

- Battery Life: Consider the battery life and replacement strategy, ensuring the RTC remains powered during extended power outages.

- EMI Considerations: Implement proper PCB layout techniques to shield the RTC and oscillator circuit from electromagnetic interference, maintaining accurate timekeeping.

- Firmware Integration: Develop firmware to manage the RTC's functionalities effectively, including setting the time/date, configuring alarms, and handling interrupts for maintenance scheduling.

Integrating the DP8573AV/NOPB into an industrial control system not only highlights its capability to provide precise timekeeping but also its utility in automating and scheduling critical tasks based on accurate time intervals. This application underscores the DP8573AV/NOPB's versatility, reliability, and essential role in enhancing the efficiency of industrial operations through timed control and monitoring.

DP8573AV/NOPB FAQ

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6. What is the process for return or replacement of DP8573AV/NOPB?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DP8573AV/NOPB we delivered, we will accept the replacement or return of the DP8573AV/NOPB only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DP8573AV/NOPB.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations