HomedatasheetBQ24120RHLT

BQ24120RHLT Datasheet

Li-Ion And Li-Polymer Charge-Management
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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. BQ24120RHLT Features • Enhanced EMI Performance• Integrated Power FETs For Up To 2-A Charge Rate• Suitable For 1-, 2-, or 3-Cell Li-Ion and Li-Polymer Battery Packs• Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHz With 0% to 100% Duty Cycle• High-Accuracy Voltage and Current Regulation• Status Outputs For LED or Host Processor Interface Indicates Charge-In-Progress, Charge Completion, Fault, and AC-Adapter Present Conditions• 20-V Absolute Maximum Voltage Rating on IN and OUT Pins• Accurate High-Side Battery Current Sensing• Battery Temperature Monitoring• Automatic Sleep Mode for Low Power Consumption• Reverse Leakage Protection Prevents Battery Drainage• Thermal Shutdown and Protection• Built-In Battery Detection• Available in 20 pin 3,5 mm x 4,5 mm QFN Package BQ24120RHLT Applications • Handheld Products• Portable Media Players• Industrial and Medical Equipment• Portable Equipment• Portable DVD Players
Features

Parameters

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Manufacturer information

LITTELFUSE

Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard® and SIDACtor® branded products, with a wide range of technologies such as Fuses and Accessories, PTCs, GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits

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