The MAX1708EEE is a sensitive device and requires careful layout and placement to ensure accurate fuel gauge readings. It's recommended to place the device close to the battery, use a solid ground plane, and keep the PCB traces short and wide to minimize noise and parasitic inductance.
The MAX1708EEE requires calibration for the specific battery chemistry used in the application. This can be done by using the device's internal calibration registers or by using an external calibration method. The calibration process involves measuring the battery's capacity, voltage, and temperature, and then programming the device with the corresponding values.
The MAX1708EEE's fuel gauge readings are accurate to within ±5% of the battery's capacity, assuming proper calibration and a stable battery environment. However, the accuracy can be affected by factors such as battery aging, temperature, and self-discharge.
The MAX1708EEE is rated for operation up to 85°C, but it can be used in high-temperature applications with some limitations. The device's accuracy and reliability may be affected at high temperatures, and the battery's chemistry and performance may also be impacted. It's recommended to consult the datasheet and application notes for more information.
The MAX1708EEE has built-in POR and BOR functions to ensure reliable operation. The POR function resets the device when the power supply voltage falls below a certain threshold, while the BOR function resets the device when the power supply voltage drops below a certain threshold for a certain duration. The POR and BOR functions can be configured using the device's registers and external components.
MAX1708EEE datasheet
by Maxim Integrated Products
