RT9757 Datasheet (Richtek) - 7A Single Cell Smart Cap Divider and Direct Charge Charger

RT9757, 7A Single Cell Smart Cap Divider and Direct Charge Charger

The RT9757 is a high efficiency and high charge current charger.

The efficiency is up to 98.2% when VBAT = 4V, IBAT = 2A and the maximum charge current is up to 7A in DIV2 mode.

The efficiency is up to 99.1% when VBAT = 4V, IBAT = 1A and the maximum charger current is up to 5A in bypass mode.

The de

RT9757 Features

* Integrates Cap Divider Mode (DIV2 Mode) and Direct Charging Mode (Bypass Mode)

* Supports BC1.2 and UFCS Protocol

* External OVPMOS Control and Regulation

* High Absolute Maximum Rating of 37V

* Fast Reaction Time 100ns and Fast Turn Off Time 100ns

* VBAT Voltage Regulation