Allicdata Part #: | BQ2003STR-ND |
Manufacturer Part#: |
BQ2003STR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC CONTROLLER FASTCHRGE 16-SOIC |
More Detail: | Charger IC Multi-Chemistry 16-SOIC |
DataSheet: | BQ2003STR Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Battery Chemistry: | Multi-Chemistry |
Number of Cells: | -- |
Current - Charging: | Constant |
Programmable Features: | Timer, Voltage |
Fault Protection: | -- |
Charge Current - Max: | -- |
Battery Pack Voltage: | -- |
Voltage - Supply (Max): | 5.5V |
Interface: | -- |
Operating Temperature: | 0°C ~ 70°C (TA) |
Package / Case: | 16-SOIC (0.295", 7.50mm Width) |
Supplier Device Package: | 16-SOIC |
Base Part Number: | BQ2003 |
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PMICs (Power Management Integrated Circuits) are components that are used in a wide range of industries and applications. Battery chargers, which are a form of PMICs, are used to regulate and control the charging of batteries in order to ensure that devices and systems stay powered properly. The BQ2003STR application field and working principle is an important example of a battery charger type of PMIC.
The BQ2003STR is a linear, low-voltage, programmable, 8-pin, step-down battery charger. It is designed to support Li-ion, Li-polymer, and NiMH battery types. This charger is designed for applications where long battery life and high accuracy of charging are required. The BQ2003STR has several integrated features, including fast charge and trickle charge as well as battery temperature monitoring and charging over temperature protection. The charger also supports a range of variation in voltage and current values for charge termination. In addition to these features, the BQ2003STR also supports charger control based on the level of charge on an external current sensing resistor. This is useful when more than one battery is connected with the system.
The BQ2003STR is capable of working with input voltages up to 9V and output current up to 240mA. It supports various charging profiles such as constant current, constant voltage and trickle charge. The charge current is also programmable using external resistors at the IOUT pin. The BQ2003STR also includes thermal protection, which ensures that the charging is regulated when the chip temperature exceeds a certain threshold. Finally, the BQ2003STR chips also have a power-down pin, which can be used for complete charge termination.
The working principle of the BQ2003STR is relatively simple. The integrated voltage regulator in the chip is used to step down the input voltage from the power source (supported up to 9 V). The output of the voltage regulator is then used to power the A/D converter which is connected to the charge control circuitry. Depending on the voltage and current levels of the external battery, the charging proceeds in steps via the integrated control circuitry. The chip can also detect a full charge and is capable of stopping the charging process when it is complete. Finally, the power-down pin can be used to completely cut off the power supply and charge termination.
The BQ2003STR is an important type of PMIC and is often used in a variety of applications including portable devices and mobile chargers. With its fast charge and trickle charge features, as well as its ability to support a range of voltage and current values, the BQ2003STR is an efficient and reliable battery charger that helps to ensure that devices and systems get the power they need.
The specific data is subject to PDF, and the above content is for reference
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