Allicdata Part #: | BQ26501PWG4-ND |
Manufacturer Part#: |
BQ26501PWG4 |
Price: | $ 4.35 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC GAS GAUGE LI-ION/LIPOL 8TSSOP |
More Detail: | Battery Battery Monitor IC Lithium-Ion/Polymer 8-T... |
DataSheet: | BQ26501PWG4 Datasheet/PDF |
Quantity: | 1000 |
100 +: | $ 3.95180 |
Series: | bqJUNIOR™ |
Packaging: | Tube |
Part Status: | Not For New Designs |
Function: | Battery Monitor |
Battery Chemistry: | Lithium-Ion/Polymer |
Number of Cells: | 1 |
Fault Protection: | -- |
Interface: | HDQ |
Operating Temperature: | -20°C ~ 70°C (TA) |
Package / Case: | 8-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 8-TSSOP |
Base Part Number: | BQ26501 |
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Power management integrated circuits (PMIC) are essential components in most modern devices, allowing us to make efficient use of energy and reduce the amount of space occupied by power devices. Battery management is at the heart of many PMIC designs as it is key to making devices safe and reliable. The BQ26501PWG4 is a single-chip PMIC with a battery management integrated circuit that enables the efficient charging, discharging, and monitoring of multiple types of batteries.In this article, we will take a look at the application field and working principle of the BQ26501PWG4.
Application Field
The BQ26501PWG4 is a PMIC dedicated to battery management with an integrated NI-MH, Li-ion, Li-polymer battery charger with power path management and integrated electronic control. That makes the part well-suited to fast-charging applications such as smartphones and tablets, as well as products with long standby times such as wearable and internet of things (IoT) devices.The BQ26501PWG4 is a complete solution for battery management, enabling the safe, efficient, and reliable charging of multiple types of batteries. It supports almost any charging profile and also provides protection against over-charging, over-discharging, and over-temperature.
Working Principle
The BQ26501PWG4 is a single-chip PMIC with a battery management integrated circuit, providing a complete solution for the efficient charging, discharging, and monitoring of multiple types of batteries.The chip consists of an analog front end (AFE) and a digital control unit (DCU), which work together to provide accurate protection, monitoring and efficient charging.The AFE consists of a foldback current limit, MOSFET drivers, and protection circuits. The foldback current limit sets the maximum output current of the charger to ensure that the battery does not exceed its maximum charging rate. The MOSFET drivers are used to control the charge rate and current control loop. They allow the chip to adjust the charge rate according to the battery’s charging state and temperature. The protections circuits provide over-charge, over-temperature, and over-discharge protection.The DCU consists of a battery voltage and temperature monitor, an embedded microcontroller, and an I2C interface. The voltage and temperature monitor measures the battery voltage and temperature, providing precise and accurate information related to battery charge state. The microcontroller monitors the battery status and controls the AFE to ensure safe and efficient charging. The I2C interface is used to communicate with the host device and configure the charging parameters.
Conclusion
The BQ26501PWG4 is a single-chip PMIC with a battery management integrated circuit, enabling the efficient charging, discharging, and monitoring of multiple types of batteries. It is well-suited to fast-charging applications such as smartphones and tablets, as well as products with long standby times such as wearable and IoT devices. The chip consists of an analog front end and a digital control unit, which work together to provide accurate protection, monitoring and efficient charging.
The specific data is subject to PDF, and the above content is for reference
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