RT9440 - 2-5 Series Cell Fuel Gauge

Product Overview

Richtek

Datasheet Details

Part number	RT9440
Manufacturer	Richtek
File Size	2.31 MB
Description	2-5 Series Cell Fuel Gauge
Datasheet	RT9440 Datasheet
Additional preview pages of the RT9440 datasheet.

Product details

Description

The RT9440 device is a highly accurate and integrated, 2-to-5-series-cell fuel gauge and protection solution, with autonomous cell balancing, protection and charger control. 40

Features

State of Charge (SOC) Calculated by VoltaicGaugeTM with Current Sensing (VGCS).
Voltage Measurement: 3mV.
Current Measurement: 0.5%.
Battery Temperature Measurement: 1°C (TA = 0°C to 45°C).
Hardware Current Protection: 1mV.
Autonomous Cell Balance.
Configurable Protection Levels and Delay Times for Voltage, Temperature, and Current Protection.
Support Both Voltage-Base and SOC-Base Cell Balance.
1.5V to 3.3V Configurable VOUT Power Supply.
H.

📁 Similar Datasheet

RT9401A - 5Bit VID Reference Generator (Richtek Technology)
RT9401B - 5Bit VID Reference Generator (Richtek Technology)
RT9401C - 6Bit VID Reference Generator (Richtek Technology)
RT9401D - 5-Bit VID Reference Generator (Richtek Technology)
RT9403 - I2C Programmable High Precision Reference Voltage Generator (Richtek Technology)
RT9403A - High Precision Reference Voltage Generator (Richtek Technology)
RT9403B - High Precision Reference Voltage Generator (Richtek Technology)
RT9403C - High Precision Reference Voltage Generator (Richtek Technology)

Other Datasheets by Richtek

RT9422A - Pack Side Single Cell Fuel Gauge
RT9426 - System Side Single Cell Fuel Gauge
RT9426A - System Side Single Cell Fuel Gauge
RT9427 - System Side Single Cell Fuel Gauge
RT9427R - Li-Ion/Li-Polymer Battery Fuel Gauge
RT9428 - Host-Side Single Cell Lithium Battery Gauge

Published: Dec 25, 2024 |