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Name: BQ24103ARHLR
Brand: Texas Instruments
SKU: BQ24103ARHLR
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 BQ24103ARHLR

Part No.:: BQ24103ARHLR

Manufacturer:: Texas Instruments

Package:: 20-VFQFN Exposed Pad

Datasheet:: BQ24103ARHLR.pdf

Description:: IC BATT CHG LI-ION 1-2CEL 20VQFN

In Stock:: 3447

Quantity:: Add To Cart

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BQ24103ARHLR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
bqSWITCHER™
ProductStatus:
Active
BatteryChemistry:
Lithium Ion/Polymer
NumberofCells:
1 ~ 2
Current-Charging:
Constant - Programmable
ProgrammableFeatures:
Current, Timer
FaultProtection:
Over Temperature, Over Voltage
ChargeCurrent-Max:
2A
BatteryPackVoltage:
8.4V
Voltage-Supply(Max):
16V
Interface:
-
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

BQ24103ARHLR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ24103ARHLR 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 BQ24103ARHLR 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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BQ24103ARHLR information

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BQ24103ARHLR Typical application Circuitry

BQ24103ARHLR

The BQ24103ARHLR is a synchronous, switch-mode, battery charge management IC developed by Texas Instruments, designed for efficient charging of single-cell lithium-ion or lithium-polymer batteries. It is optimized for applications requiring high-efficiency, fast charging, and power management, such as in portable devices like smartphones, tablets, digital cameras, and other USB-powered electronics.

BQ24103ARHLR: Functional Capabilities and Application Scenarios

Typical Applications

- Smartphones and Tablets: For fast and efficient battery charging.

- Digital Cameras: Used to ensure rapid and safe battery charging.

- Portable Power Banks: Integrated for high-efficiency charging control.

- USB-Powered Devices: Employed in devices that charge via USB for effective power management.

Key Specifications

- Switch-Mode Operation: Offers high efficiency in battery charging.

- Charge Current Regulation: Provides constant current and constant voltage charging.

- Integrated PowerFETs: Minimizes external component count.

- Status Indication: Includes pins for charge status monitoring.

Circuit Integration: BQ24103ARHLR in a Smartphone Charger

1. Power Input and Battery Connection

- VIN (Pin 1): Connect to a 5V USB supply or other appropriate power source.

- BAT (Pin 2): Connect to the positive terminal of the lithium-ion or lithium-polymer battery.

2. Grounding and Current Sensing

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

- CS (Current Sense, Pin 4): Attach to a current sensing resistor to set the charge rate.

3. Control Functions

- CE (Charge Enable, Pin 5): Use to enable/disable charging through a logic input.

- TM (Timer, Pin 6): Connect to a capacitor to set the charge safety timer.

4. Status Outputs and Power Good Indicator

- STAT1 and STAT2 (Pins 7 and 8): Connect to LEDs or a microcontroller for charge status indication.

- PG (Power Good, Pin 9): Indicates the presence of an adequate input supply voltage.

Design Considerations

- Stable Power Supply: Ensure the input source is within the IC's specified voltage range.

- Accurate Charge Current Setting: Choose the appropriate resistor for current sensing to set the charging current.

- Charge Current Regulation: Offers steady voltage and current charging.

- Safety Timer Setup: Correctly configure the timer to prevent overcharging.

- Status Monitoring: Effectively utilize the STAT pins for real-time charging feedback.

- Thermal Management: Consider heat dissipation in the design, especially at higher charging currents.

- PCB Layout and EMI Consideration: Design the PCB to minimize electromagnetic interference and ensure electrical stability.

- Component Quality: Select high-quality components for enhanced safety and reliability of the charging system.

Integrating the BQ24103ARHLR into a smartphone charging system requires careful consideration of these factors for efficient, safe, and reliable operation. For comprehensive specifications, including pin layout and electrical parameters, refer to the BQ24103ARHLR's datasheet and technical documentation.

BQ24103ARHLR FAQ

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6. What is the process for return or replacement of BQ24103ARHLR?

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 BQ24103ARHLR we delivered, we will accept the replacement or return of the BQ24103ARHLR 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 BQ24103ARHLR.

(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