LTC1435CS#PBF

Product Overview

Category

LTC1435CS#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management and battery charging applications.

Characteristics

• LTC1435CS#PBF is a high-performance, low-power IC.
• It offers efficient power conversion and charging capabilities.
• The device operates at a wide input voltage range, making it suitable for various applications.
• It incorporates advanced features such as thermal shutdown and overvoltage protection.

Package

LTC1435CS#PBF comes in a small surface-mount package, allowing for easy integration onto circuit boards.

Essence

The essence of LTC1435CS#PBF lies in its ability to efficiently manage power and charge batteries in electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of LTC1435CS#PBF ICs.

Specifications

• Input Voltage Range: 2.7V to 10V
• Output Voltage Range: 1.25V to 9.5V
• Maximum Charging Current: 1A
• Operating Temperature Range: -40°C to 85°C
• Package Type: SOIC-16

Detailed Pin Configuration

The LTC1435CS#PBF IC has a total of 16 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VCC: Power supply pin
4. BAT: Battery connection pin
5. PROG: Programming pin
6. ISET: Current limit setting pin
7. SS: Soft-start pin
8. FB: Feedback pin
9. COMP: Compensation pin
10. SYNC: Synchronization pin
11. PGND: Power ground pin
12. SW: Switching pin
13. LX: Inductor connection pin
14. VREF: Reference voltage pin
15. TIMER: Timer pin
16. SHDN: Shutdown pin

Functional Features

• Efficient power conversion with low power dissipation.
• Battery charging with adjustable current limit.
• Soft-start feature for smooth power-up.
• Overvoltage protection to prevent damage to the device and connected components.
• Thermal shutdown to prevent overheating.

Advantages and Disadvantages

Advantages

• High-performance power management and battery charging capabilities.
• Wide input voltage range allows for versatile applications.
• Compact surface-mount package for easy integration.
• Advanced features like thermal shutdown and overvoltage protection enhance reliability.

Disadvantages

• Limited maximum charging current of 1A may not be suitable for high-power devices.
• Requires external programming and current limit setting.

Working Principles

LTC1435CS#PBF operates based on a switching regulator topology. It uses an internal oscillator to control the switching of the power MOSFET, which regulates the output voltage. The device also incorporates a feedback mechanism to maintain the desired output voltage level. During battery charging, the LTC1435CS#PBF limits the charging current to the programmed value, ensuring safe and efficient charging.

Detailed Application Field Plans

LTC1435CS#PBF finds application in various electronic devices that require power management and battery charging capabilities. Some common application fields include:

1. Portable electronic devices (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. IoT devices (e.g., sensors, wireless modules)
4. Medical devices (e.g., portable monitors, infusion pumps)
5. Industrial equipment (e.g., handheld tools, measurement devices)

Detailed and Complete Alternative Models

1. LTC4000-1: High-power battery charger IC with adjustable charging current and voltage.
2. LTC3653: Energy harvesting power supply IC for low-power applications.
3. LTC3108: Highly efficient step-up DC/DC converter for energy harvesting applications.
4. LTC4417: Ideal diode controller IC for power path management.

These alternative models offer similar functionalities to LTC1435CS#PBF and can be considered based on specific application requirements.

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