BQ27621YZFR-G1A Integrated Circuits (ICs) |
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Allicdata Part #: | 296-37460-2-ND |
Manufacturer Part#: |
BQ27621YZFR-G1A |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC BATT FUEL GAUGE LIION 9DSBGA |
More Detail: | Battery Battery Monitor IC Lithium-Ion 9-DSBGA |
DataSheet: | BQ27621YZFR-G1A Datasheet/PDF |
Quantity: | 9 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | Impedance Track™ |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Function: | Battery Monitor |
Battery Chemistry: | Lithium-Ion |
Number of Cells: | 1 |
Fault Protection: | -- |
Interface: | I²C |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | 9-UFBGA, DSBGA |
Supplier Device Package: | 9-DSBGA |
Base Part Number: | BQ27621 |
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Power management integrated circuit (PMIC) is an integral component in the overall design of an electronic system. It is mainly used to control and monitor the power supply and power distribution within the system. Battery management IC, as a subcategory of PMIC, is essential in complex, mobile and portable electronics applications and extends the life of the battery. In this article, the application field and working principle of BQ27621YZFR-G1A battery management IC will be discussed in detail.
The BQ27621YZFR-G1A is an ideal solution for integrated, protected over-voltage and over-current protection to ensure maximized safety and prolonged battery life in various types of mobile and portable electronic applications, from smartphones to tablets, wearables to automotive systems. BQ27621YZFR-G1A consists of a Li-ion/Li-polymer battery pack monitor, an over-current/over-voltage protection unit, and a safety timer to monitor the battery stack. The over-current and over-voltage protection unit is designed to protect the battery stack from being subjected to excessive charge or discharge discharge current as well as input voltage spikes. The safety timer monitors the battery stack to ensure that the system shuts down after a predetermined period of time.
BQ27621YZFR-G1A also features a system-level protection function. This function provides a constant-current and constant-voltage control of the battery cells. This ensures that no cell’s current or voltage can exceed the set limit, protecting against over-discharge or over-charge of the cells. Moreover, the IC’s built-in coulomb counter monitors the battery charge and discharge cycles while the on-chip A/D converter measures the battery voltage and current. All these functions ensure that the battery cells are constantly monitored and protected from over-charging or over-discharging.
The BQ27621YZFR-G1A also includes an on-chip voltage regulator. This regulator ensures a stable output voltage and current, making the IC suitable for applications where even slight voltage or current variations can result in serious damage or failure. It also features an on-chip low-power sleep mode and wake-up logic, allowing the board to be powered down while still being able to respond to any critical events.
The BQ27621YZFR-G1A also includes an on-board temperature sensor. This makes the IC suitable for applications such as gasoline engine starters, portable medical devices, motorcycles, and electric vehicles, where a reliable temperature measurement is mandatory for safety. Additionally, the on-chip fast startup function allows the IC to power up quickly and begin regulating the battery without any external boosting.
In conclusion, the BQ27621YZFR-G1A is an ideal choice for a variety of mobile and portable electronic applications. Its on-chip over-current and over-voltage protection, system-level protection, voltage regulator, temperature sensor and low-power sleep mode enable the device to offer reliable and long-lasting protection of the battery stack in power-sensitive applications. Furthermore, its fast startup function ensures a quick and safe power up of the IC as well as the system.
The specific data is subject to PDF, and the above content is for reference
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