BQ24072TRGTR

Product Overview

Category

BQ24072TRGTR belongs to the category of battery charge management integrated circuits (ICs).

Use

This IC is primarily used for managing and charging single-cell lithium-ion or lithium-polymer batteries.

Characteristics

• Efficient charging: BQ24072TRGTR provides a highly efficient charging solution for portable devices.
• Compact package: The IC comes in a small 3mm x 3mm VQFN package, making it suitable for space-constrained applications.
• Integrated features: It incorporates various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
• Flexible charging options: The IC supports multiple charging modes, including constant current (CC) and constant voltage (CV) charging.

Package and Quantity

BQ24072TRGTR is available in a VQFN-16 package. It is typically sold in reels with a quantity of 2500 units per reel.

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging current range: Up to 1.5A
• Programmable charge termination current
• Programmable safety timer
• Battery temperature monitoring
• Automatic recharge feature
• Power-path management for simultaneous charging and system power delivery

Pin Configuration

The BQ24072TRGTR IC has the following pin configuration:

1. EN (Enable)
2. STAT (Status)
3. PG (Power Good)
4. TS (Thermal Sense)
5. ISET (Charge Current Set)
6. PROG (Programmable Timer)
7. BAT (Battery Connection)
8. SRN (System Run)
9. AC (Adapter Connection)
10. GND (Ground)
11. VBUS (USB Supply Voltage)
12. DPM (D+/D- Detection)
13. D+ (USB Data Line +)
14. D- (USB Data Line -)
15. VOUT (Output Voltage)
16. VIN (Input Voltage)

Functional Features

1. Power-path management: BQ24072TRGTR allows simultaneous charging of the battery and delivery of power to the system, ensuring uninterrupted operation.
2. Programmable timer: The IC provides a programmable safety timer to prevent overcharging and protect the battery from damage.
3. Thermal regulation: It incorporates thermal shutdown protection, preventing overheating and enhancing safety.
4. Charging status indication: The STAT pin provides information about the charging status, enabling easy monitoring.

Advantages and Disadvantages

Advantages

• High charging efficiency
• Compact package size
• Integrated protection features
• Flexible charging options

Disadvantages

• Limited charging current range (up to 1.5A)

Working Principles

BQ24072TRGTR operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion or lithium-polymer batteries. It utilizes a combination of constant current and constant voltage charging modes to optimize the charging process. The IC also monitors battery temperature and implements various protection mechanisms to prevent overcharging, overcurrent, and overheating.

Application Field Plans

BQ24072TRGTR finds applications in various portable devices that require single-cell lithium-ion or lithium-polymer battery charging. Some potential application fields include: - Smartphones and tablets - Portable media players - Wearable devices - Bluetooth headsets - GPS navigation systems

Alternative Models

1. BQ24075RGTT
2. BQ24074RGTT
3. BQ24073RGTT
4. BQ24071RGTT

These alternative models offer similar functionality and can be considered as alternatives to BQ24072TRGTR based on specific requirements and availability.

In conclusion, BQ24072TRGTR is a battery charge management IC designed for efficient charging of single-cell lithium-ion or lithium-polymer batteries. Its compact package, integrated protection features, and flexible charging options make it suitable for various portable devices. However, it has a limited charging current range. The IC operates by regulating the charging current and voltage while implementing safety mechanisms to prevent overcharging and overheating. It finds applications in smartphones, tablets, wearable devices, and more. Alternative models such as BQ24075RGTT, BQ24074RGTT, BQ24073RGTT, and BQ24071RGTT can be considered as alternatives.