
Allicdata Part #: | 296-21380-2-ND |
Manufacturer Part#: |
BQ29415PWR |
Price: | $ 0.43 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC BATT/PROT 2-4CELL 4.6V 8TSSOP |
More Detail: | Battery Battery Protection IC Lithium-Ion 8-TSSOP |
DataSheet: | ![]() |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2 (1 Year) |
2000 +: | $ 0.39778 |
6000 +: | $ 0.37789 |
10000 +: | $ 0.36369 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Not For New Designs |
Moisture Sensitivity Level (MSL): | -- |
Function: | Battery Protection |
Battery Chemistry: | Lithium-Ion |
Number of Cells: | 2 ~ 4 |
Fault Protection: | Over Voltage |
Interface: | -- |
Operating Temperature: | -40°C ~ 110°C (TA) |
Package / Case: | 8-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 8-TSSOP |
Base Part Number: | BQ29415 |
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Power management integrated circuits (PMICs) are integrated circuits that are used to manage significant amounts of power in electronics applications. Battery management is one area where PMICs are used. The BQ29415PWR is a PMIC from Texas Instruments that is designed specifically for battery management in portable devices. This article discusses the application fields of the BQ29415PWR as well as its working principle.
Application Fields
The BQ29415PWR is designed mainly for Li-ion battery management applications. It has an integrated low current buck converter, LDO, and I2C communications configurations. The buck converter uses pulse-width modulation (PWM) to generate output voltages between 3.3V and 10V with a current up to 150mA. The LDO provides output voltages between 1.5V and 5V with a current up to 250mA. The I2C communications configuration provides enhanced power-management capabilities and comprehensive telemetry functions to monitor, analyze, and control the battery\'s health, state of charge, and much more. The BQ29415PWR is ideal for use in portable and mobile applications such as smartphones, tablets, and gaming devices.
Working Principle
The BQ29415PWR is based on the Texas Instruments bq20xxx family of products, which are highly optimized for Li-ion single-cell battery management. The BQ29415PWR employs a number of key features that help to ensure safe, reliable operation throughout the battery\'s life. To ensure safe operation, the BQ29415PWR constantly monitors the battery\'s current, voltage, temperature and charge/discharge status. It also provides a wide range of protection features, including undervoltage, overvoltage, over-current, overtemperature, and overcharge protection. To ensure reliable operation, the BQ29415PWR employs a patent-pending predictive self-discharge algorithm that accurately predicts the remaining capacity and real-time state of charge of the battery.
The BQ29415PWR also includes an integrated gauge IC for precise measurement of battery charge and discharge currents. This IC can accurately measure any current drawn from the battery, as well as measure the charge level of the battery. This allows the battery management system to keep an accurate track of the remaining capacity of the battery and enable the system to enter a dormant state to prevent over-discharge or overcharge of the battery.
The BQ29415PWR also incorporates PowerPath technology, which automatically selects the best power source for the system. This allows the system to switch seamlessly between the battery, the USB port, and other external power sources in order to provide the best performance and highest efficiency.
Finally, the BQ29415PWR includes advanced safety protection features such as overcharge, over-current and reverse-battery protection. These safety features help to protect the system from damage caused by incorrect use or accidental mishandling of the battery.
In summary, the BQ29415PWR is a PMIC from Texas Instruments specifically designed for Li-ion battery management applications. It includes a number of features that make it ideal for use in portable and mobile applications such as smartphones, tablets, and gaming devices. Additionally, its advanced features ensure safe and reliable operation throughout the battery\'s life.
The specific data is subject to PDF, and the above content is for reference
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