RT9440
RT9440 is 2-5 Series Cell Fuel Gauge manufactured by Richtek.
2 to 5 Series Cell Fuel Gauge with Integrated Protection Solution for Li-Ion Battery Packs
1 General Description
The RT9440 device is a highly accurate and integrated solution for 2 to 5 series cell fuel gauge and protection It Features 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. It reports the battery pack parameters to the system host controller via the SMBus interface.
The remended junction temperature range spans from
- 40C to 125C, while the ambient temperature range extends from
- 40C to 85C.
2...
