BQ7790500PWR

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BQ7790500PWR

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IC BATT PROT LI-ION 3-5C 20TSSOP

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #BQ7790500PWR

  • パッケージ TSSOP (PW)-20

  • 在庫状況5256

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Battery Protection
BatteryChemistry Lithium Ion
NumberofCells 3 ~ 5
FaultProtection Over Current, Over Temperature, Over/Under Voltage, Short Circuit
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

概要

Description

The BQ7790500PWR is a highly integrated battery management IC designed by Texas Instruments. It is part of the BQ77905 series, which provides overvoltage, undervoltage, and overcurrent protection for lithium-ion and lithium-polymer battery packs. This IC is typically used in multi-cell battery systems, supporting configurations of up to five cells in series.
Key features of the BQ7790500PWR include:
1. Protection: It offers essential safety features like overvoltage protection, undervoltage protection, and overcurrent protection to prevent battery damage and ensure safe operation.
2. Low Power Consumption: The IC is designed for low quiescent current, which helps in maintaining the battery's state of health over extended periods.
3. Simple Design: The BQ7790500PWR enables straightforward implementation in battery management systems with minimal external components.
4. Package: It is available in a compact TSSOP package, which facilitates its integration into a variety of battery applications, especially in portable electronic devices.
Overall, the BQ7790500PWR is a reliable and efficient solution for managing battery safety and performance in multi-cell lithium-ion battery configurations.

Equivalent

The BQ7790500PWR is a battery management IC from Texas Instruments, typically used for battery protection in Li-ion and Li-polymer battery packs. Equivalent products might include:
1. S-8209A Series from Seiko Instruments.
2. AP9101C series from Diodes Incorporated.
3. A6937 from Allegro Microsystems.
4. MCP73861 from Microchip Technology.
These equivalents should be reviewed for compatibility with your specific application requirements. Always verify electrical characteristics and features to ensure they meet your design needs.

Features

The BQ7790500PWR is a battery management integrated circuit (IC) designed by Texas Instruments. It provides essential protection and balancing for lithium-ion and lithium-polymer battery packs. Key features include:
1. Protection: It offers overvoltage, undervoltage, overcurrent, short-circuit, and overtemperature protection, ensuring the safety and longevity of battery packs.
2. Cell Balancing: The IC includes passive balancing to maintain charge equilibrium among individual cells within a battery pack, optimizing overall performance and lifespan.
3. Low Power Consumption: It is designed to operate with minimal power, thus preserving battery life during periods of inactivity.
4. Scalability: The BQ7790500PWR can manage battery packs ranging from 3 to 10 cells in series, making it versatile for different applications.
5. Ease of Use: The IC is packaged in a compact TSSOP (Thin-Shrink Small Outline Package) for straightforward integration into various designs.
6. Applications: It is suitable for use in power tools, e-bikes, and other portable electronic devices that require reliable battery management and protection.

Pinout

The BQ7790500PWR is a battery protection integrated circuit (IC) designed by Texas Instruments. It typically comes in a TSSOP (Thin Shrink Small Outline Package) with 14 pins. This IC is used for overcurrent protection and monitoring in multi-cell lithium-ion or lithium polymer battery packs.
Here are the functions of the key pins:
1. VC1-VC5: Used for cell voltage sensing.
2. BAT: Connects to the positive terminal of the battery pack.
3. VSS: Ground connection.
4. CD: Charge detection.
5. CFET: Controls the charge FET gate.
6. DFET: Controls the discharge FET gate.
7. LD: Load detection.
8. TS: Temperature sensing.
9. ALERT: Provides alert signal for faults.
These pins work together to monitor cell voltages, control charge and discharge processes, and ensure the safety and efficiency of battery operations. Please refer to the datasheet for detailed specifications and connections.

Manufacturer

The BQ7790500PWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and microcontrollers. TI is well-known for its innovative solutions in the electronics industry, serving sectors such as automotive, industrial, personal electronics, and communications equipment. The company focuses on developing technologies that make electronics smarter and more efficient.

Application

The BQ7790500PWR is a battery management IC designed for protecting lithium-ion and lithium-polymer battery packs. Its primary applications include:
1. Battery Packs: Used in rechargeable battery packs to ensure safe operation by providing overvoltage, undervoltage, overcurrent, and short-circuit protection.
2. Consumer Electronics: Ideal for devices such as laptops, smartphones, tablets, and portable electronics that require efficient battery management.
3. Power Tools: Used in battery packs for cordless power tools where reliable protection and monitoring are crucial.
4. Energy Storage Systems: Applied in residential or commercial energy storage solutions to maintain battery health and longevity.
5. E-Bikes and E-Scooters: Ensures the safety and efficiency of battery packs in electric mobility solutions.

Package

The BQ7790500PWR is a battery management IC from Texas Instruments, housed in a TSSOP (Thin Shrink Small Outline Package) with 24 pins. This package type is designed for efficient heat dissipation and compactness, making it suitable for space-constrained applications.

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