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Name: BQ4285S-SB2G4
Brand: Texas Instruments
SKU: BQ4285S-SB2G4
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 BQ4285S-SB2G4

Part No.:: BQ4285S-SB2G4

Manufacturer:: Texas Instruments

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: BQ4285S-SB2G4.pdf

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

In Stock:: 2153

Quantity:: Add To Cart

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BQ4285S-SB2G4 Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
114B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
-
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

BQ4285S-SB2G4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4285S-SB2G4 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 BQ4285S-SB2G4 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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BQ4285S-SB2G4 information

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Basic introduction and simple engineering application of BQ4285S-SB2G4

BQ4285S-SB2G4 is a battery fuel gauge IC designed for single-cell Li-ion and Li-polymer battery packs. It provides accurate remaining capacity estimation and supports various battery chemistries and configurations.

Application Scenario:

In portable electronics, BQ4285S-SB2G4 can be utilized to monitor the battery status and estimate the remaining runtime of devices like smartphones, tablets, and wearable gadgets.

Circuit Design:

To create a simple battery status monitor using BQ4285S-SB2G4, follow these steps:

1. Power Supply Connection:

Connect the VDD and GND pins of BQ4285S-SB2G4 to the appropriate power supply lines, ensuring proper voltage levels and decoupling capacitors are used for stable operation.

2. Battery Connection:

Connect the battery pack to the BAT and GND pins of BQ4285S-SB2G4, ensuring correct polarity and proper battery management circuitry, such as protection circuits, are in place.

3. Communication:

Interface BQ4285S-SB2G4 with a microcontroller or host processor using communication protocols like I2C or SMBus. Configure the communication lines and address settings according to the system requirements.

4. User Interface:

Integrate a display, such as an OLED screen or LED indicators, to visualize the battery status information provided by BQ4285S-SB2G4. Utilize the microcontroller's GPIO pins to control the display elements.

5. Calibration:

Calibrate BQ4285S-SB2G4 according to the specific battery chemistry and pack configuration to ensure accurate remaining capacity estimation. Follow the calibration procedure outlined in the datasheet.

Experiment:

To understand BQ4285S-SB2G4's functionality, conduct the following experiment:

1. Setup: Connect BQ4285S-SB2G4 according to the circuit design mentioned above.

2. Initialization: Power up the circuit and initialize communication with BQ4285S-SB2G4 using a microcontroller or host system.

3. Battery Status Reading: Read the battery status registers of BQ4285S-SB2G4 to retrieve information such as voltage, remaining capacity, and temperature.

4. Display: Display the battery status information on the integrated display, providing real-time feedback to the user.

5. Calibration: If necessary, perform calibration procedures to improve the accuracy of remaining capacity estimation.

Considerations:

When using BQ4285S-SB2G4 in a project, consider the following factors:

- Battery Chemistry: Ensure compatibility with the battery chemistry used in the application to achieve accurate fuel gauge readings.

- Temperature Compensation: Implement temperature compensation algorithms to adjust the fuel gauge readings for variations in temperature.

- System Power Consumption: Minimize the power consumption of the monitoring system to extend battery life and optimize energy efficiency.

- Safety and Reliability: Implement appropriate safety measures and battery protection circuits to prevent overcharging, over-discharging, and other potential hazards.

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6. What is the process for return or replacement of BQ4285S-SB2G4?

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 BQ4285S-SB2G4 we delivered, we will accept the replacement or return of the BQ4285S-SB2G4 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 BQ4285S-SB2G4.

(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