BQ29702DSER

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

BQ29702DSER is an advanced system-in-package battery fuel gauge from Texas Instruments. It is a pioneering design that can give estimations on real-time battery information such as capacity and current consumption. This fuel gauge is for a single Li-Ion pouch or two series Li-Ion cells. It features Texas Instruments\' patented Impedance Track™ algorithm, which boosts accuracy and consistency of measuring battery capacity and other power monitoring functions.

The BQ29702DSER application field is narrow, but its documentation covers multiple potential applications. For example, the system can be used in portable devices such as cellphones, digital cameras, and notebooks. It is quite popular in automotive electronics, where it is used to measure the state-of-charge (SOC) of batteries, while optimizing battery life and preventing overcharging or overdischarging. In addition to these, other potential applications include wearable devices, medical devices, and home electronics.

This fuel gauge is built with Texas Instruments’ Impedance Track™ algorithm, which features a patented self-calibration method. This system-in-package fuel gauge can accurately measure battery information such as battery capacity and current consumption. The Impedance Track™ technology can measure the battery’s impedance accurately to determine battery capacity, also predicting the battery’s health and remaining capacity. Since the technology does not require any external analog-to-digital converter (ADC) or resistor-capacitor network, it keeps power consumption much lower than conventional fuel gauges.

The BQ29702DSER integrates the Impedance Track™ algorithm, temperature sensors and a healthy array of analog and digital peripherals in a compact system-in-package form factor. The software can be configured through its I2C interface, simplifying evaluation, set-up and calibration of the system. The fuel gauge also provides programmable safety flags to alert the host system when battery voltage reaches upper or lower thresholds. Safety flags ensure the system’s safety and proper functioning of the application.

The system also offers a host of GPIOs. These GPIOs can be used to turn off the power supply when the battery voltage is low and to detect the presence of a battery, among other uses. A temperature measurement feature is also available to monitor the temperature of the battery, allowing for additional safety measures in potentially dangerous environment such as cold storage or extreme temperature condition.

In conclusion, the BQ29702DSER is a powerful and efficient system-in-package fuel gauge that can accurately and reliably measure battery status. The integrated Impedance Track™ algorithm and temperature sensors provide accurate real-time information, which can be used for a variety of automotive and consumer electronics applications. This fuel gauge may be a great choice for applications that require monitoring the battery’s health, such as automotive electronics and cellphones.

The specific data is subject to PDF, and the above content is for reference