RT9758 Datasheet PDF - Richtek High Voltage Smart Cap Divider and Direct Charge Charger Specs

RT9758 - High Voltage Smart Cap Divider and Direct Charge Charger

Datasheet Summary

Description

The RT9758 is a high efficiency and high charge current charger for high voltage application.

The efficiency is up to 98.1% when VOUT = 10V, IOUT = 2A, switching frequency = 500kHz, dual phase with VBUS input in cap divider mode.

The RT9758 maximum charge current is up to 5A.

Features

Integrated Bidirectional Bypass Mode and Cap Divider Mode (DIV2 Mode).
Input Reverse Blocking NFET between WRX_IN Pin and VBUS Pin.
Block the Reverse Current.
Dual-Phase Charge Pump Core.
5A Output Current Capability.
Efficiency Up to 98.1% when VOUT = 10V, IOUT = 2A, Switching Frequency = 500kHz and Dual Phase with VBUS Input in DIV2 Mode.
300kHz to 1.5MHz Variable Switching Frequency Stay Out of Audio Band.
Spread Spectrum Technology for EMI Reduction.

Datasheet Details

Part number	RT9758
Manufacturer	Richtek
File Size	1.19 MB
Description	High Voltage Smart Cap Divider and Direct Charge Charger
Datasheet	RT9758 Datasheet
Additional preview pages of the RT9758 datasheet.

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Full PDF Text Transcription

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RT9758 High Voltage Smart Cap Divider and Direct Charge Charger General Description The RT9758 is a high efficiency and high charge current charger for high voltage application. The efficiency is up to 98.1% when VOUT = 10V, IOUT = 2A, switching frequency = 500kHz, dual phase with VBUS input in cap divider mode. The RT9758 maximum charge current is up to 5A. The device integrates cap divider topology (DIV2 mode), direct charge topology (Bypass mode), an input reverse blocking NFET, a dual-phase charge pump core, the EN pin control and 9-way protection. In present mode (EN = H), the host can still order the command by I2C serial interface. Applications ⚫ Smart Phones ⚫ Tablet ⚫ PC Ordering Information RT9758 Package Type WSC : WL-CSP-36B 2.74x2.

Published: Sep 10, 2023 |