BQ24095DGQR

Product Overview

Category

BQ24095DGQR belongs to the category of integrated circuits (ICs) and specifically falls under the battery management ICs.

Use

This product is primarily used for managing and charging single-cell lithium-ion or lithium-polymer batteries in portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

• Integrated power FETs for efficient charging
• Programmable charge current up to 1.5A
• Thermal regulation and protection
• Input voltage range: 4.35V to 6.45V
• Output voltage range: 3.5V to 4.44V
• Small package size: 10-pin VSSOP

Package and Quantity

The BQ24095DGQR is available in a small package known as VSSOP-10. It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charge Voltage Range: 3.5V to 4.44V
• Charge Current Range: Up to 1.5A
• Operating Temperature Range: -40°C to +85°C
• Package Type: VSSOP-10

Pin Configuration

The BQ24095DGQR has the following pin configuration:

```

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| | --| EN | --| STAT | --| PG | --| TS | --| SRP | --| SRN | --| VBAT | --| VSS | --| VBUS | |___________| ```

Functional Features

1. Integrated Power FETs: The BQ24095DGQR incorporates power FETs, enabling efficient charging of lithium-ion or lithium-polymer batteries.

2. Programmable Charge Current: The charge current can be programmed up to 1.5A, allowing flexibility in battery charging.

3. Thermal Regulation and Protection: The IC includes thermal regulation and protection mechanisms to prevent overheating and ensure safe operation.

4. Status Indication: The STAT pin provides information about the charging status, indicating whether the battery is charging, charged, or if an error has occurred.

Advantages and Disadvantages

Advantages

• Efficient charging due to integrated power FETs
• Programmable charge current offers flexibility
• Thermal regulation and protection enhance safety
• Small package size allows for space-saving designs

Disadvantages

• Limited to single-cell lithium-ion or lithium-polymer batteries
• Not suitable for multi-cell battery management

Working Principles

The BQ24095DGQR operates by regulating the charging voltage and current supplied to the connected lithium-ion or lithium-polymer battery. It monitors the battery's voltage and temperature to ensure safe and efficient charging. The integrated power FETs control the charging process, while the thermal regulation mechanism prevents excessive heat generation.

Detailed Application Field Plans

The BQ24095DGQR is widely used in various portable electronic devices that require single-cell lithium-ion or lithium-polymer battery charging. Some common application fields include:

1. Smartphones
2. Tablets
3. Wearable devices (smartwatches, fitness trackers)
4. Portable audio players
5. Bluetooth headsets

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the BQ24095DGQR:

1. MCP73831T-2ACI/OT
2. LTC4054LES5-4.2#TRMPBF
3. MAX1555EZK+T
4. TPS2513DBVR

These alternative models offer comparable features and can be considered as substitutes for the BQ24095DGQR.

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