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EAGLE Library Object
File details
| File name: | m-pad-2.1.lbr |
| Uploaded by: | Juergen Messerer |
| Remarks: | This library is a part of the archive file m-pad-2.1.zip Show other files in the archive |
| Download options: | Download whole archive from DIYmodules.org ( 303.9 KiB )Download original file from DIYmodules.org ( 1,153.0 KiB )Download file converted to the latest EAGLE format ( 2,969.6 KiB ) |
Object details
| Name: | BQ241XX |
| Type: | device |
| Description: | Texas Instruments bqSwitcher BQ241xx synchronous switchmode, LI-ION and LI-POL charge management IC with integrated powerfets DESCRIPTION: The bqSWITCHER series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced QFN package. The system-controlled version provides additional inputs for full charge management under system control. The bqSWITCHER charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user-selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER automatically re-starts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER automatically enters sleep mode when VCC supply is removed. FEATURES: Ideal For High-Efficient Charger Designs For Single-, Two- or Three-Cell Li-Ion and Li-Pol Battery Packs Integrated Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHz with 0 to 100% Duty Cycle Integrated PowerFETs For Up To 2-A Charge Rate High-Accuracy Voltage and Current Regulation Available In Both Stand-Alone (Built-In Charge Management and Control) and System-Controlled (Under System Command) Versions Status Outputs For LED or Host Processor Interface Indicates Charge-In-Progress, Charge Completion, Fault, and AC-Adapter Present Conditions 20-V Maximum Voltage Rating on IN and OUT Pins High-Side Current Sensing Optional Battery Temperature Monitoring Automatic Sleep Mode for Low Power Consumption System-Controlled Version Can Be Used In NiMH and NiCd Applications Uses Ceramic Capacitors Reverse Leakage Protection Prevents Battery Drainage Thermal Shutdown and Protection Built-In Battery Detection APPLICATIONS: Handheld Products Portable Media Players Industrial and Medical Equipment Portable Equipment Please send any comments to: messi@users.sourceforge.net |
Preview
| Variant | Symbol | Package |
|---|---|---|
BQ241XX |
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