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RT9466 - 5A Single Cell Li-Ion Switching Battery Charger

Datasheet Summary

Description

The RT9466 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for portable applications.

It integrates a synchronous PWM controller, power MOSFETs, input current sensing and regulation, high-accuracy voltage regulation, and charge termination.

Features

  • USB On-The-Go (OTG) support. The RT9466 optimizes for charging task by using a control algorithm to vary the charge rate for different modes, including pre-charge mode, fast charge mode (constant voltage and constant current). The key charge parameters are programmable through an I2C interface. The RT9466 will resume the charge cycle whenever the battery voltage falls below an internal recharge threshold, and can automatically enter sleep mode if the input power supply is removed. Other features.

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Datasheet preview – RT9466

Datasheet Details

Part number RT9466
Manufacturer Richtek Technology
File Size 496.32 KB
Description 5A Single Cell Li-Ion Switching Battery Charger
Datasheet download datasheet RT9466 Datasheet
Additional preview pages of the RT9466 datasheet.

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Full PDF Text Transcription

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® RT9466 5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode General Description The RT9466 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for portable applications. It integrates a synchronous PWM controller, power MOSFETs, input current sensing and regulation, high-accuracy voltage regulation, and charge termination. The charge current is regulated through integrated sensing resistors. The RT9466 also features USB On-The-Go (OTG) support. The RT9466 optimizes for charging task by using a control algorithm to vary the charge rate for different modes, including pre-charge mode, fast charge mode (constant voltage and constant current). The key charge parameters are programmable through an I2C interface.
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