BQ24040DSQR

The BQ24040DSQR is a highly integrated Li-ion and Li-polymer linear battery charger from Texas Instruments. It is designed primarily for portable applications. This single-cell charger operates with an external DC power source or USB, offering dynamic power-path management. It features a power management system that can allocate current to the system load and battery charging simultaneously, ensuring efficient power distribution.
The BQ24040DSQR supports thermal regulation by adjusting the charge current, ensuring safe operation within the thermal limits. It includes a power-good indicator and a low-battery indicator for system monitoring. Its low battery leakage current, pre-charge conditioning, and termination capability help in prolonging battery life.
The device's compact size, high accuracy, and minimal external components make it ideal for space-constrained applications. It operates over a wide temperature range, making it suitable for varied environments. With its intelligent power management features, the BQ24040DSQR is commonly used in devices like smartphones, tablets, and various portable consumer electronics.

The BQ24040DSQR is a linear battery charger IC designed for single-cell Li-Ion and Li-Polymer batteries. Key features include:
1. USB and Adapter Power Inputs: It supports charging from both USB ports and AC adapters, providing flexibility in power sources.
2. Integrated Power FET and Current Sensor: This reduces the need for external components, simplifying the design and saving space.
3. Thermal Regulation: The device manages power dissipation to maintain safe operating temperatures, enhancing reliability.
4. Charge Status Outputs: It provides status indication for charging, fault, and battery presence, aiding in system integration and monitoring.
5. Programmable Charge Current: The charge current can be set up to 1 A, allowing for customization based on application requirements.
6. Battery Temperature Monitoring: Incorporates built-in safety features to monitor battery temperature, ensuring operation within safe limits.
7. Small Package Size: The IC comes in a compact 10-pin QFN package, making it suitable for space-constrained applications.
8. Safety Features: Includes overvoltage protection, thermal shutdown, and short-circuit protection, ensuring robust operation.
The BQ24040DSQR is ideal for portable applications needing efficient and comprehensive battery management.

The BQ24040DSQR is a battery charger IC from Texas Instruments. It comes in a 10-pin small outline transistor (SON) package, specifically a 3 mm x 3 mm SON package, often referred to as a DRQ package type. This package is designed for compact applications, offering efficient thermal performance.

The BQ24040DSQR is a single-cell Li-Ion and Li-Polymer linear battery charger IC from Texas Instruments. It is available in a 10-pin WSON (DSQ) package. Below are the pin functions:
1. IN: Input supply voltage.
2. OUT: Battery connection point.
3. BAT: Battery connection for charging.
4. TS: Temperature sense input.
5. ISET: Charge current set.
6. PG: Power Good status, open-drain output.
7. CHG: Charging status indicator, open-drain output.
8. TMR: Timer set.
9. EN: Enable control.
10. GND: Ground connection.
The BQ24040DSQR is designed to charge a single-cell battery from various input sources and features programmable current settings, thermal regulation, and status outputs to signal the charging state and power good indication.

The BQ24040DSQR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and integrated circuits. It primarily focuses on developing analog chips and embedded processors, which are used in a wide range of electronic devices. TI is one of the largest semiconductor companies in the world and is known for its innovation and quality in electronic component manufacturing.

The BQ24040DSQR is a battery management IC designed for efficient charging and power path management. It is commonly used in applications such as portable electronics, wearable devices, IoT devices, and other battery-powered applications. Its key features include linear charging, power path management, and thermal regulation, making it suitable for devices that require reliable charging and power delivery in compact form factors.

Equivalent products to the BQ24040DSQR chip, a linear battery charger for single-cell Li-ion batteries, include:
1. MCP73831 by Microchip Technology
2. TP4056 by NanJing Top Power ASIC Corp
3. MAX1811 by Maxim Integrated
4. LTC4054 by Analog Devices (formerly Linear Technology)
5. ISL9205 by Renesas Electronics
These alternatives also support single-cell Li-ion/Li-Polymer battery charging, but always verify specific requirements and features before selecting a substitute.