BQ29410PWRG4

Product Overview

Category

BQ29410PWRG4 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

BQ29410PWRG4 is available in a small outline package (SOP) with 16 pins.

Essence

The essence of BQ29410PWRG4 lies in its ability to protect 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: 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 Detection Threshold: Adjustable from 50mV to 100mV

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. VSS: Negative terminal of the battery being protected
4. VBAT: Positive terminal of the battery being protected
5. VOUT: Output voltage
6. FLT: Fault output indicating protection status
7. SDA: Serial data input/output for communication
8. SCL: Serial clock input for communication
9. NC: No connection
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 the battery voltage and disconnects it from the load when it exceeds the set threshold.
• Undervoltage protection: Cuts off the load from the battery when the voltage drops below the set threshold to prevent deep discharge.
• Overcurrent protection: Detects excessive current flow and interrupts the circuit to avoid damage to the battery and connected devices.
• Fault indication: Provides a fault output signal to indicate the status of the protection mechanism.

Advantages and Disadvantages

Advantages

• Comprehensive battery protection against overvoltage, undervoltage, and overcurrent conditions
• Accurate monitoring of voltage and current levels
• Low power consumption for extended battery life
• Compact size enables easy integration into various electronic devices

Disadvantages

• Limited adjustability of protection thresholds
• Lack of additional features such as temperature monitoring or communication interfaces

Working Principles

BQ29410PWRG4 operates by continuously monitoring the battery voltage and current. It compares these values with the pre-set thresholds for overvoltage, undervoltage, and overcurrent protection. When any of these thresholds are exceeded, the IC triggers the appropriate protection mechanism, disconnecting the battery from the load to prevent potential damage.

Detailed Application Field Plans

BQ29410PWRG4 finds applications in a wide range of electronic devices that rely on batteries for power. Some common application fields include: - Portable consumer electronics (e.g., smartphones, tablets, portable gaming devices) - Medical devices (e.g., insulin pumps, portable monitors) - Industrial equipment (e.g., handheld tools, measurement instruments) - Automotive electronics (e.g., electric vehicles, hybrid vehicles)

Detailed and Complete Alternative Models

• BQ29412PWRG4
• BQ29414PWRG4
• BQ29416PWRG4
• BQ29418PWRG4

These alternative models offer similar battery protection features but may have different specifications or pin configurations. It is recommended to refer to their respective datasheets for detailed information.

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