BQ24620RVAR

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BQ24620RVAR

IC BAT CHG IRON PHOS 1-7C 16VQFN

  • Manufacturer
  • Mfr. Part #BQ24620RVAR
  • Package VQFN-16
  • Datasheet
  • In Stock4384

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
BatteryChemistry Lithium Iron Phosphate
NumberofCells 1 ~ 7
Current-Charging Constant - Programmable
FaultProtection Over Current, Over Temperature, Over Voltage, Short Circuit
ChargeCurrent-Max 10A
BatteryPackVoltage 26V (Max)
Voltage-Supply(Max) 28V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-VFQFN Exposed Pad

Overview

Description

The BQ24620RVAR is a high-efficiency, synchronous switch-mode battery charge controller from Texas Instruments. It is designed for charging lithium-ion or lithium-polymer batteries and is suitable for applications such as portable electronics, power tools, and backup systems. The device supports a wide input voltage range and offers adjustable charging parameters, making it adaptable to different battery specifications.
Key features include a high level of integration with minimal external components, precise charge voltage and current regulation, and protection features such as over-voltage, under-voltage, and over-temperature protections. It also includes status indication outputs for charge status and fault conditions. The BQ24620RVAR operates in a fixed-frequency, high-efficiency mode, which minimizes heat generation and optimizes performance.
Its synchronous buck topology allows the device to achieve high conversion efficiency, reducing power dissipation. Additionally, the controller offers a pre-charge function and a termination feature to ensure safe and efficient charging cycles. The small footprint and advanced feature set make the BQ24620RVAR a versatile choice for battery management in compact and efficient power design applications.

Features

The BQ24620RVAR is a highly efficient, synchronous battery charger IC designed for Li-ion and Li-polymer batteries. It offers several key features:
1. High Efficiency: Utilizes a synchronous switching topology to minimize power dissipation and improve charging efficiency.
2. Wide Input Voltage Range: Supports input voltages from 5V to 28V, suitable for varied power sources.
3. Charge Current: Programmable charge current up to 10A, allowing flexibility based on battery specifications.
4. Automatic Power Path Management: Ensures continuous system operation with or without battery presence.
5. Dynamic Power Management (DPM): Adjusts charge current dynamically under system load conditions to prevent input source overloading.
6. Battery Detection: Automatically detects battery presence, enabling appropriate charging or system power management actions.
7. Safety Features: Includes overvoltage, overcurrent, and thermal protection to ensure safe operation.
8. Status Indicators: Provides charge status and fault conditions through status pins for system interface.
9. Compact Package: Available in a 24-pin, 4mm x 4mm QFN package, optimizing space for portable applications.
These features make the BQ24620RVAR suitable for a wide range of applications, including portable electronics and backup battery systems.

Package

The BQ24620RVAR is a battery charge management IC from Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package with 24 pins. The specific package dimensions are typically 4 mm x 4 mm.

Pinout

The BQ24620RVAR is a 20-pin integrated circuit from Texas Instruments, designed for battery management applications. It specifically functions as a synchronous battery charger controller for lithium-ion or lithium-polymer batteries. Here’s a concise overview of its pin count and function:
- Pin Count: 20 pins
- Key Functions:
- Charge Regulation: Controls the battery charging process to ensure safe and efficient charging.
- Synchronous Switching: Employs synchronous buck converter operation to improve efficiency.
- Status Indication: Provides pins for charge status indication.
- Battery Detection: Automatically detects battery presence and state.
- Input Voltage Regulation: Manages input voltage to ensure stable operation.
- Thermal Management: Includes thermal shutdown protection to prevent overheating.

This IC is suitable for applications that require efficient battery charging and management, such as portable electronics and backup systems. For detailed specifications, refer to the manufacturer's datasheet.

Manufacturer

The BQ24620RVAR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. They specialize in producing analog chips and embedded processors, which are widely used in electronic devices and systems across industries such as consumer electronics, automotive, industrial equipment, and communications. TI is recognized for its innovation and extensive portfolio of products that support applications ranging from power management to signal processing.

Application

The BQ24620RVAR is a highly efficient, synchronous switch-mode battery charge controller designed for applications such as portable power banks, medical equipment, industrial devices, and consumer electronics. It supports lithium-ion and lithium-polymer battery chemistries and is commonly used in systems that require efficient battery charging from an external power source. Its features make it suitable for use in applications where compactness, energy efficiency, and precise charging control are critical.

Equivalent

The BQ24620RVAR is a standalone synchronous switch-mode lithium battery charger from Texas Instruments. Equivalent products include:
1. Microchip MCP73871 - a highly integrated Li-Ion/Li-Polymer charge management controller.
2. Analog Devices LTC4006 - a high-efficiency, multi-chemistry battery charger.
3. Maxim Integrated MAX745 - a linear Li+ battery charger.
4. Intersil ISL6251 - a highly integrated battery charger controller.
Ensure compatibility with your specific application requirements before selecting an alternative.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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