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RT9759 - Smart Cap Divider Charger

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Datasheet Details

Part number RT9759
Manufacturer Richtek
File Size 2.09 MB
Description Smart Cap Divider Charger
Datasheet download datasheet RT9759 Datasheet

General Description

The RT9759 is a high efficiency and high charge current charger.

The efficiency is up to 97.8% when VBAT = 4.2V, IBAT = 2.5A and the maximum charge current is up to 8A.

The device integrates smart cap divider topology, external over-voltage protection control, an input reverse blocking NFET and 2-way regulation, a dual-phase charge pump core, 15-way protection, 7way system alarm and 9-Channel high speed analogto-digital converter.

Overview

RT9759 Smart Cap Divider Charger General.

Key Features

  • External OVP Control and Regulation.
  • High Absolute Maximum Rating of 40V.
  • Fast Reaction Time 100ns and Fast Turn Off Time 100ns.
  • VBAT Voltage Regulation (VBAT REG).
  • IBAT Current Regulation (IBAT REG).
  • Input Reverse Blocking NFET.
  • Block the Reverse Current.
  • Dual-Phase Charge Pump Core.
  • 8A Output Current Capability.
  • Efficiency Up to 97.8% when VBAT = 4.2V, IBAT = 2.5A.
  • 250kHz to 750kHz Variable Switching Frequency Stay Out of Audio Band.

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