BQ25306RTER

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BQ25306RTER

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 2
Current-Charging Constant - Programmable
ProgrammableFeatures Voltage
FaultProtection Over Voltage
ChargeCurrent-Max 3A
BatteryPackVoltage 9V
Voltage-Supply(Max) 17V
Interface USB
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-WFQFN Exposed Pad

Visão Geral

Description

The BQ25306RTER is a power management integrated circuit (PMIC) designed by Texas Instruments, primarily used as a battery charger. It is tailored for single-cell lithium-ion or lithium-polymer batteries, commonly used in portable devices. Featuring a high-efficiency, synchronous buck charger architecture, the BQ25306RTER supports a wide input voltage range, making it suitable for various power sources, including USB and wireless charging.
The IC integrates several advanced features to optimize charging performance and ensure battery safety. Notable features include programmable charge current, voltage regulation, and dynamic power path management, allowing devices to be powered while charging the battery. Additionally, it incorporates safety mechanisms such as thermal regulation, over-voltage protection, and battery temperature monitoring.
The BQ25306RTER's compact size, along with its efficient power management capabilities, makes it an ideal choice for designing compact and energy-efficient consumer electronics. Its enhanced charging algorithms also contribute to prolonged battery life and improved device reliability. This IC is typically found in small form-factor devices like smartphones, wearables, and portable audio players.

Equivalent

The BQ25306RTER is a battery charge management IC by Texas Instruments. Equivalent products include:
1. Microchip MCP73831: A single-cell Li-ion/Li-polymer charge management controller.
2. Analog Devices LTC4054: A standalone linear Li-Ion battery charger.
3. STMicroelectronics STC4054: Li-Ion battery charger with thermal regulation.
4. NXP PC4026: A compact battery charge management IC.
These alternatives are suitable for similar charging applications but may vary in specifications. Always verify compatibility with your design requirements.

Features

The BQ25306RTER is a switch-mode battery charge management device designed by Texas Instruments. It is specifically tailored for portable electronics. Key features of the BQ25306RTER include:
1. Wide Input Voltage Range: It supports a broad input range, making it compatible with various power sources.
2. High Charging Efficiency: The device offers high efficiency, reducing heat generation and power loss during charging.
3. Integrated MOSFETs: These contribute to lower component count and reduced PCB space, enhancing device compactness.
4. Programmable Charge Current: The device allows for adjustable charging currents, offering flexibility for different battery capacities.
5. Battery Protection: It includes safety features such as over-voltage protection, over-current protection, and thermal regulation to prevent battery damage.
6. Power Path Management: Ensures seamless power distribution between the battery and the system load.
7. I2C Interface: This feature facilitates easy configuration and monitoring via communication with a host processor.
8. Small Package Size: The device's compact design is suitable for space-constrained applications.
These features make the BQ25306RTER a versatile and reliable choice for managing battery charging in portable devices.

Pinout

The BQ25306RTER is a battery charger IC from Texas Instruments designed for efficiently charging single-cell lithium-ion or lithium-polymer batteries. It is typically used in portable devices and applications requiring a compact charger solution.
The BQ25306RTER is available in a VQFN (RTE) package with 16 pins. The pin functions typically include:
1. VBUS: Input power supply.
2. IN: Input sense.
3. ILIM: Input current limit programming.
4. TS: Temperature sense input.
5. BAT: Battery connection.
6. PGOOD: Power good indicator.
7. STAT: Charging status indicator.
8. CE: Charge enable.
9. ISET: Charge current set.
10. GND: Ground connection.
11. SW: Switch node connection.
12. VREG: Regulation voltage output.
13. D+/D-: USB data line inputs for USB BC1.2 detection.
14. OTG: Boost mode enable for OTG function.
15. AGND: Analog ground.
These pins allow for control over charging parameters, status monitoring, and interfacing with USB power sources. For specific pin configurations and detailed functional descriptions, refer to the datasheet provided by Texas Instruments.

Manufacturer

The BQ25306RTER is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest semiconductor companies globally, known for their wide range of products used in electronic devices, including analog chips, digital signal processors, and microcontrollers. Texas Instruments serves numerous industries, including automotive, industrial, consumer electronics, and communications equipment.

Application

The BQ25306RTER is a highly efficient, 1-cell, 3-A battery charger designed for portable electronics. Its application areas include smartphones, tablets, wearable devices, wireless earbuds, and other portable consumer electronics needing compact and efficient charging solutions. Additionally, it can be used in power banks and portable medical devices where space and power efficiency are critical. Its features, like fast charging, adjustable current settings, and safety protections, make it suitable for applications demanding reliable and quick power replenishment.

Package

The BQ25306RTER is a battery charger IC from Texas Instruments and comes in a VQFN (Very Thin Quad Flat No-Lead) package. Specifically, it is a 16-pin VQFN package, denoted by the "RTE" in its part number, which is compact and suitable for space-constrained applications.

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