BQ2002CSNTR

Product Overview

Category

BQ2002CSNTR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery charging applications.

Characteristics

• Integrated circuit designed for battery charging
• Offers various charging modes and protection features
• High efficiency and accuracy in charging process
• Compact size and low power consumption

Package

BQ2002CSNTR is available in a small outline package (SOP) format.

Essence

The essence of BQ2002CSNTR lies in its ability to efficiently charge batteries while providing necessary protection mechanisms.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 4.5V to 16V
• Charging current range: 50mA to 1A
• Operating temperature range: -40°C to +85°C
• Battery voltage regulation accuracy: ±1%
• Charge termination methods: voltage, temperature, and timer-based

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. BAT: Battery connection point
4. PROG: Programming pin for selecting charging modes
5. STAT: Status output pin indicating charging status
6. TEMP: Temperature sensing input
7. TIMER: Timer control input
8. VREF: Reference voltage output
9. ISET: Current sense resistor connection

Functional Features

• Multiple charging modes: constant current, constant voltage, and trickle charge
• Overvoltage protection to prevent battery damage
• Overcurrent protection for safe charging operation
• Temperature monitoring for thermal management
• Timer-based charge termination to avoid overcharging

Advantages and Disadvantages

Advantages

• Versatile charging modes suitable for various battery types
• High accuracy in voltage regulation ensures optimal charging
• Comprehensive protection mechanisms enhance battery safety
• Compact size allows for integration into space-constrained designs

Disadvantages

• Limited charging current range may not be suitable for high-capacity batteries
• Temperature sensing input requires an external temperature sensor

Working Principles

BQ2002CSNTR operates by regulating the charging current and voltage to ensure efficient and safe battery charging. It utilizes a combination of constant current, constant voltage, and trickle charge modes to achieve optimal charging performance. The integrated protection features monitor battery parameters such as voltage, temperature, and charging time to prevent overcharging and protect the battery from damage.

Detailed Application Field Plans

BQ2002CSNTR finds applications in various fields, including: 1. Portable electronic devices: Used for charging batteries in smartphones, tablets, and portable media players. 2. Medical devices: Enables battery charging in medical equipment such as portable monitors and infusion pumps. 3. Industrial equipment: Facilitates battery charging in handheld tools, wireless sensors, and industrial control systems. 4. Automotive applications: Supports battery charging in electric vehicles, hybrid vehicles, and automotive accessories.

Detailed and Complete Alternative Models

1. BQ2000CSNTR: Similar functionality with slightly different specifications.
2. BQ2002CPN: DIP package variant of BQ2002CSNTR.
3. BQ2002EPN: Enhanced version with additional features for advanced battery charging applications.

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