BQ2057WTSTR

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BQ2057WTSTR

IC BATT CHG LI-ION 2CELL 8TSSOP

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  • Gói TSSOP-8
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  • Có sẵn6690

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 2
Current-Charging Constant - Programmable
ProgrammableFeatures Current
BatteryPackVoltage 8.4V
Voltage-Supply(Max) 15V
OperatingTemperature -20°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

Tổng quan

Description

The BQ2057WTSTR is a battery management integrated circuit used primarily for monitoring and protecting rechargeable battery packs. Developed by Texas Instruments, this IC is designed to work with lithium-ion (Li-Ion) and lithium-polymer (Li-Po) battery chemistries, which are commonly used in portable electronic devices due to their high energy density and lightweight properties.
Key features of the BQ2057WTSTR include its ability to accurately monitor battery voltage, current, and temperature, ensuring safe and efficient charging and discharging processes. It typically supports single-cell and multi-cell configurations, offering overcharge and over-discharge protection, which helps in extending battery life and preventing damage. The IC also includes safety features like short-circuit protection, ensuring the battery pack operates within safe parameters.
The BQ2057WTSTR is particularly valued for its compact size, which makes it suitable for integration into small electronic devices such as smartphones, tablets, and other portable gadgets. Its design emphasizes safety, reliability, and efficiency, which are critical for the performance and longevity of modern battery-powered devices.

Features

The BQ2057WTSTR is a battery management IC designed by Texas Instruments. Key features of this device include:
1. Battery Monitoring: It efficiently manages the charging and discharging cycles of a battery, ensuring optimal battery health over its lifespan.
2. Charge Control: This IC provides accurate control over the charging process, including temperature and voltage thresholds, to prevent overcharging and extend battery life.
3. Discharge Protection: The BQ2057WTSTR protects against over-discharge by monitoring battery voltage levels and preventing excessive depletion.
4. Efficiency: It features low power consumption, which is crucial for maximizing the battery life of portable electronic devices.
5. Data Communication: The IC supports communication protocols for data exchange, enabling integration with other system components for comprehensive battery management.
6. Flexibility: Designed to support various battery chemistries, including lithium-ion and lithium-polymer, making it suitable for a wide range of applications.
7. Compact Design: The IC comes in a small package, facilitating its use in compact and portable electronic devices where space is limited.
Overall, the BQ2057WTSTR is ideal for applications requiring precise battery monitoring and management.

Package

The BQ2057WTSTR is a lithium-ion battery charge management IC from Texas Instruments, packaged in a small-outline transistor (SOT-23) configuration. Specifically, it uses a 5-pin SOT-23 package, which is compact and suitable for space-constrained applications.

Pinout

The BQ2057WTSTR is a single-cell Li-Ion and Li-Polymer linear charge management IC designed by Texas Instruments. It typically features an 8-pin small outline package (SOP). The pin functions generally include:
1. VCC: Power supply input.
2. BAT: Battery connection pin, where the lithium-ion cell is connected.
3. GND: Ground pin.
4. OUT: Output pin for the battery.
5. PROG: Programs the charge current.
6. STAT: Status output indicating charge status.
7. NC: No connection, sometimes used for thermal pad or mechanical support.
8. TS: Temperature sensor input to monitor battery temperature.
These pins collectively manage the charging process, enabling current and voltage regulation, status indication, and thermal monitoring to ensure safe and efficient charging of lithium-ion cells.

Manufacturer

The BQ2057WTSTR is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments specializes in the design and manufacture of analog and embedded processing chips. Their products are used in various applications, including industrial, automotive, personal electronics, and communication equipment. TI is known for its innovation in semiconductor technology and has a strong presence in the electronics industry worldwide.

Application

The BQ2057WTSTR is a lithium-ion and lithium-polymer battery charge management IC. Its application areas include portable electronics like smartphones, tablets, and wearable devices, where efficient battery charging is critical. It's also used in charging docks, backup power systems, and any portable device that requires reliable battery management and safety features.

Equivalent

The BQ2057WTSTR is a lithium-ion battery charge management IC from Texas Instruments. Equivalent products include:
1. MCP73831 by Microchip Technology
2. MAX1811 by Maxim Integrated
3. TP4056 by NanJing Top Power ASIC Corp
These alternatives offer similar functionalities like charge management, constant current/constant voltage charging, and protection features. Always check datasheets for compatibility with your specific application requirements.

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