Datasheet4U Logo Datasheet4U.com

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

General Description

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.

Key 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 (VBAT REG).
  • IBAT Current Regulation (IBAT REG).
  • Dual-Phase Charge Pump Core.
  • 7A Output Current Capability.
  • Efficiency Up to 98.2% when VBAT = 4V, IBAT = 2A (DIV2 Mode).
  • Effic.

📥 Download Datasheet

Datasheet Details

Part number RT9757
Manufacturer Richtek
File Size 2.01 MB
Description 7A Single Cell Smart Cap Divider and Direct Charge Charger
Datasheet download datasheet RT9757 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
RT9711 1.5A High-Side Power Switches Richtek Technology Corporation
RT9711A 1.5A/0.6A High-Side Power Switches Richtek Technology Corporation
RT9711B 1.5A/0.6A High-Side Power Switches Richtek Technology Corporation
RT9712 1A/1.5A High-Side Dual Power Switches Richtek Technology Corporation
RT9718 Over Voltage Protection Richtek Technology Corporation

Other Datasheets by Richtek

Part Number Description
RT9757A 8A Single Cell Smart Cap Divider and Direct Charge Charger
RT9752 USB-C Controller + Power Switch
RT9756 7A Single Cell Smart Cap Divider and Direct Charge Charger
RT9756A 8A Single Cell Smart Cap Divider and Direct Charge Charger
RT9758 High Voltage Smart Cap Divider and Direct Charge Charger

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
RT9757 7A Single Cell Smart Cap Divider and Direct Charge Charger with 8-Channel ADC, USB BC 1.2 Detection and UFCS General Description 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 device integrates smart cap divider topology, direct charging mode, external overvoltage protection control, an input reverse blocking NFET and 2-way regulation, a dual-phase charge pump core, 14-way protection, 9-way system alarm, 8-Channel high speed analog-to-digital converter, USB BC 1.2 detection and UFCS protocol.