TPS22918DBVR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TPS22918DBVR 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 TPS22918DBVR 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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Key Parameters and Features:
1. Low On-Resistance: The TPS22918DBVR offers low on-resistance, minimizing voltage drop and power loss when the switch is turned on.
2. Overcurrent Protection: It includes overcurrent protection to prevent excessive current from flowing through the switch, safeguarding connected devices.
3. Power Sequencing: The chip supports controlled power sequencing, ensuring that specific components power up or down in the desired order.
4. Low Quiescent Current: It has a low quiescent current, reducing power consumption when the switch is in the off state.
Application Scenario: Mobile Device Battery Charging
In this scenario, we will use the TPS22918DBVR in a circuit that controls the charging of a mobile device's battery, providing overcurrent protection and power sequencing.
Circuit Connection:
1. Input Voltage (Pin 1): Connect Pin 1 (VIN) to the power source, typically a USB charger or an external power supply.
2. Output Voltage (Pin 2): Connect Pin 2 (VOUT) to the input of the mobile device's battery charging circuitry.
3. Enable (Pin 3): Connect Pin 3 (EN) to a microcontroller's GPIO pin or a control signal source to enable or disable the charging process.
4. Ground (Pin 4): Connect Pin 4 (GND) to the common ground reference of the circuit.
Design Considerations:
1. Overcurrent Protection: Ensure that the overcurrent protection threshold is set to a safe value to prevent excessive current from damaging the battery or connected components.
2. Power Sequencing: Implement power sequencing if required, ensuring that the mobile device's battery charging circuit is activated in the correct order.
3. Input Voltage Compatibility: Verify that the input voltage (VIN) is within the acceptable range for both the TPS22918DBVR and the mobile device's battery charging circuit.
4. Enable Control: Develop a reliable enable/disable mechanism for the TPS22918DBVR, allowing the charging process to be controlled as needed.
5. Quiescent Current: Keep the quiescent current in mind to minimize power loss when the switch is in the off state, helping extend battery life.
6. Efficiency: Evaluate the overall efficiency of the battery charging circuit, considering the voltage drop across the TPS22918DBVR switch.
7. Heat Dissipation: Address any heat dissipation concerns, especially if the chip is expected to handle higher currents. Adequate heat sinking may be necessary.
8. Safety Compliance: Ensure that the circuit complies with safety standards and regulations for battery charging in mobile devices.
By following these guidelines and the specified connections, you can effectively use the TPS22918DBVR in a mobile device battery charging circuit, providing overcurrent protection and controlled power sequencing while addressing key design considerations for battery charging applications.
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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 TPS22918DBVR we delivered, we will accept the replacement or return of the TPS22918DBVR 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 TPS22918DBVR.
(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
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