BQ29414PWR

Product Overview

Category

BQ29414PWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery protection in various electronic devices.

Characteristics

• Integrated circuit designed for battery protection
• Provides overvoltage, undervoltage, and overcurrent protection
• Offers accurate voltage and current monitoring capabilities
• Low power consumption
• Compact size for easy integration into electronic devices

Package

BQ29414PWR is available in a small outline package (SOP) with 16 pins.

Essence

The essence of BQ29414PWR lies in its ability to safeguard batteries from potential damage caused by overvoltage, undervoltage, and overcurrent conditions.

Packaging/Quantity

This product is typically packaged in reels containing a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 6V
• Operating Temperature Range: -40°C to +85°C
• Overvoltage Protection Threshold: Adjustable from 3.9V to 4.8V
• Undervoltage Protection Threshold: Adjustable from 1.8V to 3.1V
• Overcurrent Protection Threshold: Adjustable from 50mA to 500mA
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. BAT: Battery connection
4. VSS: Negative terminal of the battery
5. VOUT: Output voltage
6. EN: Enable pin
7. FLT: Fault indicator output
8. SDA: I2C data line
9. SCL: I2C clock line
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Overvoltage protection: Monitors battery voltage and disconnects the load when it exceeds the set threshold.
• Undervoltage protection: Cuts off the load when the battery voltage falls below the set threshold.
• Overcurrent protection: Detects excessive current flow and interrupts the circuit to prevent damage.
• Fault indicator: Provides a signal indicating the occurrence of a fault condition.
• I2C interface: Allows for communication with external devices for monitoring and control purposes.

Advantages and Disadvantages

Advantages

• Comprehensive battery protection features
• Adjustable thresholds for customization
• Low power consumption prolongs battery life
• Compact size facilitates integration into various electronic devices

Disadvantages

• Requires additional components for complete battery protection system implementation
• Limited to I2C communication interface

Working Principles

BQ29414PWR operates by continuously monitoring the battery voltage and current. When any of the preset thresholds are exceeded, the corresponding protection mechanism is triggered. The device then disconnects the load or interrupts the circuit to safeguard the battery from potential damage.

Detailed Application Field Plans

BQ29414PWR finds applications in a wide range of electronic devices that rely on batteries for power. Some notable application fields include:

1. Portable consumer electronics (e.g., smartphones, tablets, portable gaming consoles)
2. Medical devices (e.g., insulin pumps, portable monitors)
3. Automotive electronics (e.g., electric vehicles, hybrid vehicles)
4. Industrial equipment (e.g., handheld tools, measurement devices)
5. Energy storage systems (e.g., battery banks, solar-powered systems)

Detailed and Complete Alternative Models

1. BQ29412PWR: Similar to BQ29414PWR but with a different pin configuration.
2. BQ29413PWR: Offers similar battery protection features with additional temperature monitoring capabilities.
3. BQ29415PWR: Provides enhanced overvoltage and undervoltage protection thresholds.

These alternative models offer similar functionality to BQ29414PWR, catering to different application requirements.

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