LTC4156EUFD#PBF

Product Overview

Category

LTC4156EUFD#PBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery charger applications.

Characteristics

• Integrated circuit
• Battery charger
• High efficiency
• Wide input voltage range
• Programmable charge current
• Thermal regulation

Package

LTC4156EUFD#PBF is available in a 16-lead QFN (Quad Flat No-Lead) package.

Essence

The essence of LTC4156EUFD#PBF lies in its ability to efficiently charge batteries with a wide input voltage range, while providing programmable charge current and thermal regulation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 35V
• Charge Current Range: 50mA to 3A
• Operating Temperature Range: -40°C to 85°C
• Charging Efficiency: Up to 95%
• Output Voltage Accuracy: ±1.5%

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. ISET: Charge current programming pin
4. TS: Thermal sense pin
5. STAT: Status output pin
6. INTVCC: Internal voltage regulator output pin
7. SDA: I2C data pin
8. SCL: I2C clock pin
9. VBAT: Battery voltage pin
10. PROG: Programming pin
11. ILIM: Current limit pin
12. BAT: Battery temperature pin
13. VOUT: Output voltage pin
14. PGND: Power ground pin
15. FLT: Fault output pin
16. VCC: Supply voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• Programmable charge current enables customization based on battery requirements.
• Thermal regulation prevents overheating and ensures safe charging.
• I2C interface for communication and control.
• Fault detection and status output for monitoring.

Advantages and Disadvantages

Advantages

• High charging efficiency saves energy and reduces charging time.
• Wide input voltage range makes it compatible with various power sources.
• Programmable charge current provides flexibility for different battery types.
• Thermal regulation protects the battery and charger from overheating.

Disadvantages

• Requires additional components for complete battery charging system.
• Limited availability of alternative models in the market.

Working Principles

LTC4156EUFD#PBF operates by regulating the charging current and monitoring the battery temperature. The input voltage is converted to a suitable level for charging the battery, while the charge current is controlled based on the programming set by the user. The integrated thermal regulation ensures that the charging process remains within safe temperature limits.

Detailed Application Field Plans

LTC4156EUFD#PBF finds applications in various fields, including: 1. Portable electronic devices 2. Electric vehicles 3. Solar-powered systems 4. Industrial equipment 5. Medical devices

Detailed and Complete Alternative Models

While LTC4156EUFD#PBF is a reliable choice for battery charger applications, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: 1. MAX1555 - Integrated battery charger IC with programmable charge current and thermal regulation. 2. MCP73871 - Single-cell lithium-ion/polymer battery charger IC with I2C interface and thermal regulation. 3. BQ24075 - Standalone linear Li-Ion battery charger IC with programmable charge current and thermal regulation.

These alternative models provide options for users based on their specific requirements and preferences.

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