BQ2004HSNTR

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Modern portable electronic and mobile devices are powered by batteries, which need to be charged properly in order for them to function effectively. Battery chargers are essential components for charging the device’s battery, and PMIC - Battery Chargers provide a safe, efficient, and reliable way of charging batteries. The BQ2004HSNTR is a PMIC - Battery Chargers power management integrated circuit (PMIC) designed specifically to ensure safe and efficient charging of a battery.

The BQ2004HSNTR operates as a SMBus battery charger and is designed to manage Li-ion and Li-polymer batteries with capacities up to 4.2 Ah. The BQ2004HSNTR is a turnkey solution that prevents overcharging and over-discharging of the battery and features a programmable charger up to 1 Amperes. The BQ2004HSNTR performs multiple functions such as charge control, thermal control, protection, and status reporting.

The BQ2004HSNTR has a wide range of applications, including consumer electronic devices, handheld devices, multimedia applications, and portable medical equipment. It is suitable for use in applications with limited AC mains power sources, such as those with automotive or battery-powered systems. The integrated precision status registers and ADC converters of the device enable the monitoring of voltage, temperature and current levels with high accuracy.

The BQ2004HSNTR has a low stand-by current, making it well suited for energy-efficient applications. It features a wide operating temperature range (−40°C to +85°C) and has advanced safety features such as ±0.8 V % regulation, ±0.1 °C accuracy, and ±2.5 %/2.5 mV current regulation. It also features an automatic system reset that triggers an internal reset if an error condition is detected.

The BQ2004HSNTR is designed using a 4-phase topology, which ensures precise and efficient control over the charge current and charge voltage. It utilizes a constant voltage/constant current control loop and provides a precise regulation of the input current, output current, and battery voltage. The device includes a programmable SMBus interface which can be used for programmable control, monitoring, and logging.

The integrated protection and diagnostic features of the BQ2004HSNTR include programmable over-temperature, over-charge, low-voltage cut-off, and under-voltage lock out, as well as monitoring of over-charge temperature, over-discharge current, cell temperature, cell voltage, and charge current. Additionally, the device boasts a 4-level accuracy for sensing cell voltage and current.

The BQ2004HSNTR is a high-performance and cost-effective PMIC - Battery Chargers designed to meet the needs of modern portable and mobile applications. Its flexibility and advanced features, such as programmable SMBus control, over-temperature protection, and precision ADC allow users to ensure safe, efficient, and reliable battery charging.

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