What is the Additional Feature ?

Name: BQ4802YPWRG4
Brand: Texas Instruments
SKU: BQ4802YPWRG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

Cart ( )

lmages are for reference only See Product Specifications

Texas Instruments BQ4802YPWRG4

Part No.:: BQ4802YPWRG4

Manufacturer:: Texas Instruments

Package:: 28-TSSOP (0.173, 4.40mm Width)

Datasheet:: BQ4802YPWRG4.pdf

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

In Stock:: 2393

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

BQ4802YPWRG4 Specifications

Package/Case:
28-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.4V ~ 4V
Current-Timekeeping(Max):
1.5mA (Typ) @ 4.5 V ~ 5.5 V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ4802YPWRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4802YPWRG4 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 BQ4802YPWRG4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

BQ4802YPWRG4 information

Views：

Basic introduction and simple engineering application of BQ4802YPWRG4

BQ4802YPWRG4 is a precision real-time clock (RTC) system with integrated temperature compensation. It is commonly used in various electronic devices requiring accurate timekeeping and calendar functions.

Application Scenario:

In a digital alarm clock project, BQ4802YPWRG4 can be utilized to provide precise timekeeping and alarm functionality, ensuring accurate alarm triggering and time display.

Circuit Design:

To build a digital alarm clock using BQ4802YPWRG4, follow these steps:

1. Clock Configuration:

Connect the crystal oscillator to the OSC1 and OSC2 pins of BQ4802YPWRG4 to provide the clock signal for timekeeping. Use capacitors for proper oscillation circuitry.

2. Power Supply:

Provide a stable power supply to BQ4802YPWRG4 by connecting VCC and GND pins to the appropriate power sources. Ensure proper decoupling capacitors are used for noise reduction.

3. User Interface:

Integrate an interface, such as an LCD display or seven-segment display, to show the current time and set alarm parameters. Use GPIO pins to interface with the display components for data and control.

4. Alarm Triggering:

Connect a buzzer or speaker to a GPIO pin of BQ4802YPWRG4 to sound the alarm when the set time is reached. Implement firmware logic to trigger the alarm based on the RTC's time registers.

5. Setting Time and Alarm:

Utilize push buttons or a rotary encoder to allow users to set the current time and alarm parameters. Implement firmware routines to update the RTC's time and alarm registers accordingly.

Experiment Steps:

Step 1: Circuit Assembly
Assemble the circuit on a breadboard, connecting BQ4802YPWRG4 according to the datasheet and the aforementioned steps. Ensure all connections are secure and properly insulated.

Step 2: Power Up
Apply power to the circuit and verify that BQ4802YPWRG4 is receiving the correct voltage levels. Check for any abnormal heating or signs of malfunction.

Step 3: Interface Test
Test the user interface components, such as the display and buttons, to ensure they are functioning correctly. Verify that the display shows the current time and responds to user input.

Step 4: Alarm Functionality
Set an alarm time using the user interface and observe whether the alarm triggers at the specified time. Adjust the alarm parameters if necessary to fine-tune the functionality.

Step 5: Time Accuracy
Compare the time displayed by BQ4802YPWRG4 with a reliable time source, such as an online clock or another RTC module, to verify its accuracy over a period of time.

Considerations:

- Power Backup: Implement a backup power source, such as a coin cell battery, to maintain timekeeping functionality during power outages or when the main power source is disconnected.

- Firmware Optimization: Optimize firmware algorithms to minimize power consumption and ensure efficient operation of the digital alarm clock.

- User Interface Design: Design a user-friendly interface with intuitive controls for setting time and alarm parameters, enhancing the overall user experience.

- Environmental Factors: Consider environmental conditions, such as temperature and humidity, which can affect the performance of BQ4802YPWRG4 and the overall reliability of the alarm clock.

BQ4802YPWRG4 FAQ

1. How to order BQ4802YPWRG4 on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that BQ4802YPWRG4 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BQ4802YPWRG4. All suppliers must pass our qualification reviews before they can publish their products including BQ4802YPWRG4 on icwhale.com; we pay more attention to the channels and quality of BQ4802YPWRG4 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the BQ4802YPWRG4 price and inventory displayed accurate?

The price and inventory of BQ4802YPWRG4 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of BQ4802YPWRG4?

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 BQ4802YPWRG4 we delivered, we will accept the replacement or return of the BQ4802YPWRG4 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 BQ4802YPWRG4.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations