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Name: BQ24090DGQR
Brand: Texas Instruments
SKU: BQ24090DGQR
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 BQ24090DGQR

Part No.:: BQ24090DGQR

Manufacturer:: Texas Instruments

Package:: 10-PowerTFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: BQ24090DGQR.pdf

Description:: IC BATT CHG LI-ION 1CELL 10MSOP

In Stock:: 3850

Quantity:: Add To Cart

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BQ24090DGQR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
BatteryChemistry:
Lithium Ion/Polymer
NumberofCells:
1
Current-Charging:
Constant - Programmable
ProgrammableFeatures:
Current
FaultProtection:
Over Temperature, Over Voltage, Short Circuit
ChargeCurrent-Max:
1A
BatteryPackVoltage:
4.2V
Voltage-Supply(Max):
6.45V
Interface:
USB
OperatingTemperature:
0°C ~ 125°C (TJ)
MountingType:
Surface Mount

BQ24090DGQR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ24090DGQR 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 BQ24090DGQR 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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BQ24090DGQR information

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BQ24090DGQR Typical application Circuitry

BQ24090DGQR

The BQ24090DGQR is a compact, highly integrated lithium-ion battery charger IC from the BQ2409x series, specifically designed for efficient and safe charging of single-cell Li-ion and Li-polymer batteries. This device stands out for its simplicity and integration, featuring autonomous charging control without the need for extensive external components, making it particularly suitable for portable applications where space and efficiency are critical, such as smartphones, wearable devices, and other small electronics.

1. Series Features: The BQ2409x series, which includes the BQ24090DGQR, is celebrated for its integrated power-path management, which allows the system to be powered directly from the adapter while simultaneously charging the battery. This series is designed to optimize charging tasks, providing features like automatic recharge, thermal regulation, and status indication to enhance the charging experience and battery longevity.

2. Pin Configuration: The BQ24090DGQR is typically offered in a 10-pin MSOP package. Key pins include VBAT connected to the battery's positive terminal, VBUS connected to the input power supply (such as a USB port), and TS for connecting an external thermistor for battery temperature monitoring. Other important pins are STAT1 and STAT2, which provide charge status indications, and CE (Charge Enable), which allows the charging process to be externally controlled.

3. Circuit Integration Approach: To integrate the BQ24090DGQR into a charging circuit, the VBUS pin is connected to the input power source, ensuring compatibility with the IC's input voltage specifications. The VBAT pin is connected to the battery's positive terminal, facilitating direct battery charging. The system load can be connected to the SYS pin, allowing the device to power the system while charging the battery.

4. System Connections: The TS pin should be connected to a thermistor placed in close proximity to the battery for accurate temperature monitoring, ensuring safe charging under various conditions. The CE pin can be connected to a GPIO pin on a microcontroller to enable or disable the charging process programmatically. The STAT1 and STAT2 pins can be used to provide visual indications of the charging status through LEDs or connected to a microcontroller for software-based status monitoring.

5. Incorporating Protective Features: The BQ24090DGQR includes several built-in protective features, such as thermal regulation and overvoltage protection, to safeguard the battery and the circuit. Additional protective elements, like input overvoltage protection circuits, can be added externally to enhance system safety further.

6. Communication and Configuration: While the BQ24090DGQR primarily operates autonomously with minimal external programming, the charge enable and status outputs allow for basic interaction with the host system, enabling control over the charging process and monitoring of the charge state.

Implementing the BQ24090DGQR in a battery-powered system offers a compact, efficient solution for managing the charging process, ensuring optimal battery performance and safety. Its autonomous operation, combined with key features for system integration and battery protection, makes it a versatile choice for developing advanced portable electronic devices.

BQ24090DGQR FAQ

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6. What is the process for return or replacement of BQ24090DGQR?

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 BQ24090DGQR we delivered, we will accept the replacement or return of the BQ24090DGQR 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 BQ24090DGQR.

(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