What is the Additional Feature ?

Name: BQ3285LDSSTR
Brand: Texas Instruments
SKU: BQ3285LDSSTR
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 BQ3285LDSSTR

Part No.:: BQ3285LDSSTR

Manufacturer:: Texas Instruments

Package:: 24-SSOP (0.154, 3.90mm Width)

Datasheet:: BQ3285LDSSTR.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-QSOP

In Stock:: 35845

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

BQ3285LDSSTR Specifications

Package/Case:
24-SSOP (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Bulk
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, NVSRAM
MemorySize:
242B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.7V ~ 5.5V
Voltage-SupplyBattery:
2.4V ~ 4V
Current-Timekeeping(Max):
100µA @ 3V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ3285LDSSTR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ3285LDSSTR 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 BQ3285LDSSTR 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.

BQ3285LDSSTR information

Views：

Basic introduction and simple engineering application of BQ3285LDSSTR

BQ3285LDSSTR is a real-time clock (RTC) module commonly used in electronic projects requiring accurate timekeeping functionality. It comes in a small surface-mount package, making it suitable for compact designs and applications where space is limited.

Application Scenario:

In projects such as data logging systems or IoT devices, BQ3285LDSSTR can be utilized to timestamp events or data entries accurately, ensuring precise time synchronization across multiple devices.

Circuit Design:

To integrate BQ3285LDSSTR into a simple project, follow these steps:

1. Connection to Microcontroller:

Connect the I2C pins of BQ3285LDSSTR to the corresponding I2C pins of the microcontroller. Typically, this involves connecting the SDA pin to the microcontroller's SDA (data) pin and the SCL pin to the microcontroller's SCL (clock) pin.

2. Power Supply:

Provide power to BQ3285LDSSTR by connecting its VCC pin to a regulated 3.3V or 5V power source. Ensure proper decoupling capacitors are placed near the module to stabilize the power supply.

3. Crystal Connection:

Connect an external 32.768 kHz crystal oscillator to the X1 and X2 pins of BQ3285LDSSTR. This crystal is crucial for maintaining accurate timekeeping functionality.

4. Backup Battery:

Insert a backup battery, such as a CR2032 coin cell battery, into the battery holder of BQ3285LDSSTR. This battery ensures that the RTC continues to keep time even when the main power source is disconnected.

5. Initialization:

Write initialization code in the microcontroller firmware to configure BQ3285LDSSTR settings, such as time and date initialization, alarm settings, and periodic time update routines.

Experiment:

To experiment with BQ3285LDSSTR functionality, try the following:

1. Time Display:

Connect an LCD display to the microcontroller and write firmware code to display the current time and date obtained from BQ3285LDSSTR.

2. Alarm System:

Implement an alarm system using BQ3285LDSSTR by setting alarm triggers at specific times. When the alarm triggers, activate a buzzer or LED to signal the event.

3. Data Logging:

Create a data logging system where sensor readings are timestamped using BQ3285LDSSTR. Store the timestamped data in non-volatile memory, such as an SD card, for later analysis.

Considerations:

When working with BQ3285LDSSTR, consider the following:

- Crystal Accuracy: Ensure the external crystal oscillator's accuracy meets the required specifications for precise timekeeping.

- Power Backup: Monitor the backup battery voltage regularly to prevent RTC data loss in case of battery failure.

- I2C Communication: Handle I2C communication errors gracefully in firmware to maintain reliable communication with BQ3285LDSSTR.

- Firmware Optimization: Optimize firmware code to minimize power consumption and ensure efficient use of BQ3285LDSSTR resources for extended battery life in battery-powered applications.

- Real-Time Updates: Implement periodic time updates to synchronize BQ3285LDSSTR with an external time source, such as an internet time server, for accurate timekeeping in long-term applications.

BQ3285LDSSTR FAQ

1. How to order BQ3285LDSSTR 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 BQ3285LDSSTR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BQ3285LDSSTR. All suppliers must pass our qualification reviews before they can publish their products including BQ3285LDSSTR on icwhale.com; we pay more attention to the channels and quality of BQ3285LDSSTR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the BQ3285LDSSTR price and inventory displayed accurate?

The price and inventory of BQ3285LDSSTR 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 BQ3285LDSSTR?

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 BQ3285LDSSTR we delivered, we will accept the replacement or return of the BQ3285LDSSTR 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 BQ3285LDSSTR.

(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