What is the Additional Feature ?

Name: BQ4850YMA-85
Brand: Texas Instruments
SKU: BQ4850YMA-85
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 BQ4850YMA-85

Part No.:: BQ4850YMA-85

Manufacturer:: Texas Instruments

Package:: 32-DIP Module (0.610, 15.49mm)

Datasheet:: BQ4850YMA-85.pdf

Description:: IC RTC CLK/CALENDAR PAR 32-DIP

In Stock:: 3261

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

BQ4850YMA-85 Specifications

Package/Case:
32-DIP Module (0.610, 15.49mm)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm
MemorySize:
-
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
1mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

BQ4850YMA-85 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4850YMA-85 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 BQ4850YMA-85 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.

BQ4850YMA-85 information

Views：

Basic introduction and simple engineering application of BQ4850YMA-85

BQ4850YMA-85 is a precision real-time clock (RTC) system with integrated temperature compensation and a wide operating temperature range. It is commonly used in various electronic applications requiring accurate timekeeping and temperature monitoring.

Application Scenario:

In a digital alarm clock project, BQ4850YMA-85 can be utilized to provide accurate timekeeping functionality along with temperature display capabilities.

Circuit Design:

To build a digital alarm clock using BQ4850YMA-85, follow these steps:

1. RTC Initialization:

Connect the necessary power supply to the BQ4850YMA-85 and initialize the RTC module. Configure the clock settings such as time format, alarm settings, and temperature compensation parameters.

2. LCD Display:

Connect an LCD display module to the microcontroller to show the current time and temperature readings. Utilize appropriate interface protocols like I2C or SPI for communication between the microcontroller and the display.

3. Temperature Sensor:

Integrate a temperature sensor, such as a digital temperature sensor like DS18B20, to measure ambient temperature. Connect the sensor to the microcontroller and ensure accurate temperature readings are obtained.

4. Alarm Functionality:

Implement alarm functionality using the BQ4850YMA-85. Configure the alarm registers and set the desired alarm time. When the alarm time matches the current time, trigger an alarm signal to activate a buzzer or an LED indicator.

5. User Interface:

Design a user interface to set the clock time and alarm time. Utilize push buttons or a keypad for user input and integrate them into the microcontroller's GPIO pins. Implement firmware logic to handle user input and update the clock settings accordingly.

6. Power Management:

Ensure efficient power management to prolong the battery life of the RTC system. Utilize low-power modes provided by the microcontroller and implement power-saving techniques to minimize power consumption during idle periods.

Experiment Steps:

1. Connect the BQ4850YMA-85 to the microcontroller according to the datasheet specifications.

2. Initialize the RTC module in the microcontroller firmware code.

3. Connect the LCD display module and configure it to receive time and temperature data from the microcontroller.

4. Integrate a temperature sensor into the circuit and calibrate it to ensure accurate temperature readings.

5. Implement alarm functionality and test it by setting different alarm times.

6. Design a user interface with push buttons or a keypad to set the clock time and alarm time.

7. Test the complete circuit to verify the accuracy of timekeeping, temperature monitoring, and alarm functionality.

Considerations:

- Power Supply: Ensure stable power supply to the BQ4850YMA-85 and other components to prevent clock drift and erratic behavior.

- LCD Display Contrast: Adjust the contrast of the LCD display for better readability under different lighting conditions.

- Alarm Volume: Choose an appropriate buzzer or LED indicator for the alarm to ensure it is audible or visible enough to alert the user.

- Firmware Optimization: Optimize the firmware code for efficient use of resources and to minimize processing overhead for accurate timekeeping and alarm triggering.

- Enclosure Design: Consider enclosing the circuit in a protective casing to prevent dust accumulation and physical damage.

BQ4850YMA-85 FAQ

1. How to order BQ4850YMA-85 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 BQ4850YMA-85 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BQ4850YMA-85. All suppliers must pass our qualification reviews before they can publish their products including BQ4850YMA-85 on icwhale.com; we pay more attention to the channels and quality of BQ4850YMA-85 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the BQ4850YMA-85 price and inventory displayed accurate?

The price and inventory of BQ4850YMA-85 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 BQ4850YMA-85?

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 BQ4850YMA-85 we delivered, we will accept the replacement or return of the BQ4850YMA-85 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 BQ4850YMA-85.

(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