What is the Additional Feature ?

Name: BQ25703ARSNR
Brand: Texas Instruments
SKU: BQ25703ARSNR
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 BQ25703ARSNR

Part No.:: BQ25703ARSNR

Manufacturer:: Texas Instruments

Package:: 32-WFQFN Exposed Pad

Datasheet:: BQ25703ARSNR.pdf

Description:: IC BAT MON MULT-CHEM 1-4C 32WQFN

In Stock:: 3113

Quantity:: Add To Cart

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BQ25703ARSNR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Function:
Battery Monitor
BatteryChemistry:
Multi-Chemistry
NumberofCells:
1 ~ 4
FaultProtection:
Over Current, Over Temperature, Over Voltage
Interface:
I²C
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

BQ25703ARSNR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ25703ARSNR 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 BQ25703ARSNR 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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BQ25703ARSNR information

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BQ25703ARSNR Typical application Circuitry

BQ25703ARSNR

The BQ25703ARSNR is a highly integrated, switch-mode battery charge controller designed for efficient charging of multi-cell lithium-ion batteries, developed by Texas Instruments. It's particularly suitable for applications that require managing power from multiple sources, such as USB-C and high-voltage adapters, making it ideal for modern portable devices like laptops, tablets, and other smart devices.

BQ25703ARSNR: Functional Overview and Application Scenarios

Typical Applications

- Laptops and Ultrabooks: Efficiently manages charging from USB-C or high-voltage adapters.

- Tablets and Smart Devices: Offers flexible charging solutions for devices with multiple power sources.

- Portable Power Stations: Used in devices that require adaptive power management.

- High-Performance Portable Electronics: Ideal for applications needing fast and efficient charging.

Key Specifications

- Multi-Cell Lithium-Ion Battery Charging: Optimized for charging 1-4 series Li-Ion batteries.

- Wide Input Voltage Range: Supports charging from various power sources including USB-C.

- Synchronous Switch-Mode Design: Ensures high efficiency and minimal heat generation.

- Comprehensive Protection Features: Includes over-current, over-voltage, and thermal protection.

Circuit Integration: BQ25703ARSNR in a Laptop Charging System

1. Power Source and Battery Connection

- VIN (Pin 1): Connect to a USB-C or high-voltage power source.

- BAT (Pin 2): Connect to the positive terminal of the laptop's battery.

2. Grounding and System Integration

- PGND (Pin 3): Connect to the system ground.

- SYS (Pin 4): Connect to the system power rail of the laptop.

3. Control Interface and Feedback

- I2C_SCL and I2C_SDA (Pins 5 and 6): Use for I2C communication with the laptop's microcontroller.

- ACN/ACO (Pin 7): Connect to the adapter detection circuitry.

4. Charge Control and Status Indication

- ILIM (Pin 8): Connect a resistor to set the input current limit.

- STAT (Pin 9): Connect to an LED or microcontroller for charge status indication.

Design Considerations

- Input Voltage Compatibility: Ensure the power source matches the IC's input voltage specifications.

- Battery Configuration: Configure for the specific number and chemistry of the battery cells.

- I2C Communication: Implement reliable I2C communication for precise control and monitoring.

- Charge Current Setting: Accurately set the input current limit using the ILIM resistor.

- Adapter Detection: Properly configure ACN/ACO for detecting the power source.

- Status Feedback: Utilize STAT for clear and accurate charge status updates.

- PCB Layout and EMI Management: Design the PCB to minimize electromagnetic interference and ensure stable operation.

- Quality Components: Select high-quality components for enhanced system reliability and longevity.

Incorporating the BQ25703ARSNR into a laptop charging system requires attention to these factors for efficient, safe, and reliable operation. For detailed specifications, including pin layout and electrical parameters, refer to the BQ25703ARSNR's datasheet and technical documentation.

BQ25703ARSNR FAQ

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3. Are the BQ25703ARSNR price and inventory displayed accurate?

The price and inventory of BQ25703ARSNR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of BQ25703ARSNR?

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 BQ25703ARSNR we delivered, we will accept the replacement or return of the BQ25703ARSNR 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 BQ25703ARSNR.

(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