BQ24157YFFR

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BQ24157YFFR

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IC BATT CHG LI-ION 1CELL 20DSBGA

  • HerstellerTexas Instruments

  • Herstellerteil #BQ24157YFFR

  • Paket DSBGA (YFF)-20

  • Auf Lager1712

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1
Current-Charging Constant - Programmable
ProgrammableFeatures Current
FaultProtection Over Temperature, Over Voltage
ChargeCurrent-Max 1.55A
BatteryPackVoltage 4.44V (Max)
Voltage-Supply(Max) 6V
Interface I²C
OperatingTemperature -30°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-UFBGA, DSBGA

Übersicht

Description

The BQ24157YFFR is a highly integrated single-cell Li-Ion and Li-Polymer battery charger designed by Texas Instruments. It is tailored for portable devices and supports USB and adapter charging, facilitating both standalone and system-powered configurations. The device features dynamic power path management (DPPM) that ensures efficient power distribution, permitting simultaneous battery charging and system operation.
The BQ24157YFFR incorporates a synchronous switch-mode power supply to reduce heat and increase charging efficiency. It also offers programmable charge current, voltage regulation, and thermal regulation to protect the battery. Safety features include input over-voltage protection, battery temperature monitoring, and charge termination.
This charger IC uses a I²C interface for communication and configuration, offering flexibility and control over the charging process. With its compact wafer-level chip-scale package (YFF), it is ideal for space-constrained applications such as smartphones, tablets, and other portable electronics. The BQ24157YFFR ensures reliability and enhanced user experience by extending battery life and reducing charge time.

Equivalent

The BQ24157YFFR is a single-cell Li-Ion battery charger IC. Equivalent products include:
1. Microchip MCP73831
2. Linear Technology (Analog Devices) LTC4054
3. Maxim Integrated (Analog Devices) MAX1811
4. STMicroelectronics STC4054
5. ON Semiconductor NCP1835
These alternatives provide similar functionalities like programmable charge current, preconditioning, and safety timers, though specific features and performance may vary. Always check the datasheets to ensure compatibility with your application's requirements.

Features

The BQ24157YFFR is a highly integrated Li-ion battery charger from Texas Instruments, designed for efficient power management. Key features include:
1. Switch-Mode Charger: It supports a high-efficiency switch-mode power path for quick charging.

2. Input Voltage Range: Operates from an input voltage range of 3.9V to 6.2V, with over-voltage protection up to 20V.
3. Charge Current: Programmable charging current up to 1.5A.
4. Battery Management: Supports single-cell Li-ion or Li-polymer batteries, ensuring safe and reliable charging.
5. Protection Features: Includes thermal regulation, safety timers, and various protection features like battery temperature monitoring.
6. I2C Interface: Allows for communication and customization of settings via an I2C interface.
7. Small Footprint: Available in a compact, 3mm x 3mm 25-ball WCSP package.
These features make the BQ24157YFFR suitable for portable and space-constrained applications, offering flexibility and robust battery management capabilities.

Pinout

The BQ24157YFFR is an integrated single-cell Li-Ion battery charger from Texas Instruments. It comes in a small 2.6 x 2.6 mm DSBGA package, typically with 25 pins. Its primary function is to manage the charging of a single-cell lithium-ion or lithium-polymer battery. The device integrates a synchronous step-down converter to provide high-efficiency charging, which helps in reducing power dissipation.
Key features include:
1. High-efficiency battery charging.
2. Dynamic Power Path Management (DPPM) to ensure continuous system operation even when the battery is depleted.
3. USB-friendly with input current limiting for adaptable power sources.
4. Battery temperature monitoring for safe charging.
5. Programmable charge current and voltage to suit different battery specifications.
6. Support for supplement mode to power the system in case of insufficient input.
This device is suitable for portable applications where space is limited, but effective battery management is crucial. Always refer to the official datasheet for detailed pin configuration and other specifications.

Manufacturer

The BQ24157YFFR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. It is known for its contributions to the electronics industry, including products used in analog and embedded processing applications. TI serves various sectors, including automotive, industrial, personal electronics, communications, and enterprise systems.

Application

The BQ24157YFFR is a compact, single-cell Li-ion/Li-polymer battery charger designed for portable applications. Its main application areas include:
1. Smartphones and Tablets: Efficient charging for mobile devices.
2. Wearable Devices: Compact design suits space-constrained applications.
3. Portable Media Players: Reliable power management for continuous use.
4. Digital Cameras and Camcorders: Ensures quick and efficient charging.
5. Bluetooth Devices: Supports various wireless accessories.
6. Power Banks: Useful in portable charging solutions.
7. Handheld Devices: Suitable for a range of small electronic devices requiring efficient battery management.
These applications benefit from its high performance, small form factor, and integrated power path management.

Package

The BQ24157YFFR is a battery charge management IC by Texas Instruments. Its package type is DSBGA (Die-Size Ball Grid Array), specifically with a 20-ball configuration.

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