LTC2941IMS8E#TRPBF

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The LTC2941IMS8E#TRPBF is a lithium-ion battery management integrated circuit and is part of the PMIC - Battery Management category. It is primarily used to improve the runtime and lifetime of a lithium-ion battery by accurately measuring the state-of-charge, state-of-health, and cell temperature. This device recognizes whether a single cell or multiple cells are connected in series and, based on the relative temperature of the cells, calculates and records operating time, capacity delivered, and remaining capacity. It also features an automatic shutdown feature to prevent deep discharge when the battery is not in use.

This Single-Cell Li-Ion Battery Monitor IC includes an accurate voltage and current measurement system, integrated into one 8-lead, thin small-outline package (TSOP). Its on-board Sigma-Delta engine continuously measures both the accumulative charge and the battery voltage with 1mV resolution. The accuracy of the IC is 56ppm for voltage and 5ppm for current. It also includes a programmable battery safeguard and two external sense terminals.

The LTC2941IMS8E#TRPBF consists of an integrated battery voltage measurement circuit, a programmable current measurement circuit, a 16-bit analog-to-digital converter (ADC), an I2C digital interface, a real-time clock, and state-of-charge, state-of-health, and cell temperature monitors. By accurately monitoring the cell voltage and temperature, this IC can ensure that the battery is charged and discharged correctly and that the cell is operating within its operating range. This helps extend the lifetime of the battery and improve its performance.

The PC monitor can monitor the status (V+, V-, I+, I-) of the battery through the I2C interface. The battery information can then be used for over-voltage protection, discharge protection, and automated charger control. It can also be used to send data to a microcontroller for monitoring the battery’s charge and discharge status. The voltage and current conversion are both continuous and accurate, which enable the device to measure and store the exact charge or discharge states of the battery.

In addition to the battery voltage and current measurement, the LTC2941IMS8E#TRPBF also includes an on-board microprocessor that can calculate the remaining battery capacity and the rate of change in cell temperature. This can help the system detect any potential battery faults, such as overcharging or overdischarging, and provide information to the user on the remaining time the battery has before it needs to be recharged or replaced.

Overall, the LTC2941IMS8E#TRPBF provides improved control and the consumption of system resources is minimized. It also eliminates the need for an external voltage regulator and can be used in a variety of applications, including medical and consumer electronics devices, automated machines, and industrial process automation.

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