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.
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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.
RT9440-Richtek.pdf
