BQ78Z100DRZR

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BQ78Z100DRZR

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IC BATT MFUNC LI-ION 1-2CL 12SON

  • FabricanteTexas Instruments

  • Peça do Fabricante #BQ78Z100DRZR

  • Pacote VFDFN-12

  • Em Estoque2596

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series Impedance Track™
Part Status Active
Function Multi-Function Controller
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1 ~ 2
Fault Protection Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface HDQ, I²C
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The BQ78Z100DRZR is a battery management integrated circuit (IC) developed by Texas Instruments. It is designed for use in battery packs to monitor and protect lithium-based battery cells. This IC is part of the bq78 family of products and supports single-cell applications.
Key features of the BQ78Z100DRZR include:
1. Impedance Track™ Technology: It provides accurate state-of-charge (SOC) and state-of-health (SOH) estimations by using impedance measurements, which help in efficient battery management.
2. Fuel Gauge: The IC offers precise fuel gauging, which is critical for applications that require accurate battery level indicators.
3. Protection Features: It includes safety mechanisms to protect against over-voltage, under-voltage, over-current, and short-circuit conditions.
4. Low Power Consumption: This IC is optimized for low power consumption, enhancing the overall battery life.
5. Communication Interface: It supports I2C communication, allowing easy integration with various microcontrollers or processors for data exchange.
Overall, the BQ78Z100DRZR is a reliable solution for enhancing the performance and safety of lithium battery-powered devices.

Equivalent

The BQ78Z100DRZR is a battery fuel gauge IC from Texas Instruments. Equivalent products can include similar battery fuel gauge ICs from other manufacturers, such as the MAX17050 from Maxim Integrated, the LTC2943 from Analog Devices, and the STC3100 from STMicroelectronics. These ICs may offer similar functionalities for battery management and monitoring applications. Always ensure compatibility with your specific application requirements when selecting an equivalent product.

Features

The BQ78Z100DRZR is a battery management IC designed by Texas Instruments for accurate fuel gauging and protection of lithium-ion and lithium-polymer battery packs. Key features include:
1. Fuel Gauging: Utilizes Impedance Track™ technology for precise state of charge (SoC) and state of health (SoH) estimations, adapting to changes in battery conditions over time.
2. Protection: Offers robust overvoltage, undervoltage, overcurrent, and short-circuit protection to enhance battery safety and reliability.
3. Voltage and Current Sensing: Monitors battery voltage and current accurately to ensure efficient performance and management.
4. Temperature Monitoring: Supports internal and external temperature sensors for precise thermal management, protecting the battery from overheating.
5. Low Power Consumption: Designed for minimal power usage to extend the operational time of the battery.
6. SMBus Communication: Provides a standard communication interface for easy integration with microcontrollers and host systems.
7. Compact Package: Available in a small form factor, making it suitable for space-constrained applications.
These features make the BQ78Z100DRZR ideal for applications requiring sophisticated battery management, such as laptops, medical devices, and portable electronics.

Pinout

The BQ78Z100DRZR is a battery fuel gauge IC from Texas Instruments, primarily used for monitoring single-cell lithium-ion or lithium-polymer batteries. This device is part of TI's Impedance Track™ technology series, which provides accurate battery state-of-charge (SoC) readings.
The BQ78Z100DRZR comes in a 12-pin package format. Here is a brief overview of its key functions:
1. BAT: Battery connection pin for monitoring voltage.
2. PACK: System connection pin for external voltage reference.
3. TS: Temperature sense input for monitoring battery temperature via an external thermistor.
4. SDA: Serial data line for I2C communication.
5. SCL: Serial clock line for I2C communication.
6. SMBD: SMBus data line (alternative use for I2C).
7. SMBC: SMBus clock line (alternative use for I2C).
8. HDQ: Single-wire interface for communication.
9. PRES: Input to detect battery presence or system connection.
10. VIN: Voltage input for powering the IC.
11. VSS: Ground reference pin.
12. NC or DNP: No connection or do not place.
This IC is designed to ensure accurate battery management by tracking state-of-charge and state-of-health, thus enhancing battery life and reliability.

Manufacturer

The BQ78Z100DRZR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of integrated circuits for electronic systems and devices. Known for their innovation and quality, TI's products are used in various applications, including automotive, industrial, consumer electronics, and communications. The company focuses on developing analog chips and embedded processors, and they also provide software and support to enhance product development.

Application

The BQ78Z100DRZR is a battery management IC commonly used in various applications that require precise battery monitoring and management. Key areas include:
1. Consumer Electronics: Used in laptops, smartphones, and tablets for battery health monitoring.
2. Power Tools: Manages rechargeable batteries to ensure efficiency and longevity.
3. Electric Vehicles: Helps in monitoring and balancing lithium-ion batteries.
4. Portable Medical Devices: Ensures reliable power management for critical medical equipment.
5. Energy Storage Systems: Used in home and industrial battery storage for efficient energy use.
Its role is crucial in any application needing accurate battery state-of-charge (SOC) and state-of-health (SOH) measurement.

Package

The BQ78Z100DRZR is available in a 12-pin WSON (Very Very Thin Quad Flat No-leads) package. This package type is compact and suitable for space-constrained applications, often used in battery management systems.

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