RT9440 Overview
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. The RT9440 integrates highly accurate analog peripherals, measures and maintains an accurate record of available capacity, voltage, current, and temperature. The RT9440 reports the battery pack parameters to the system host controller via the...
RT9440 Key Features
- State of Charge (SOC) Calculated by VoltaicGaugeTM with Current Sensing (VGCS)
- Voltage Measurement: 3mV
- Current Measurement: 0.5%
- Battery Temperature Measurement: 1°C
- Hardware Current Protection: 1mV
- Autonomous Cell Balance
- Configurable Protection Levels and Delay Times
- Support Both Voltage-Base and SOC-Base Cell
- 1.5V to 3.3V Configurable VOUT Power Supply
- High-Side N-Channel FET Drivers