Linear Technology/QD Devices
Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
LTC1555LEGN#TRPBF
Lihat Detail Lembar Data

LTC1555LEGN#TRPBF

Product Overview

Category

The LTC1555LEGN#TRPBF 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

  • Integrated circuit
  • Power management and battery charging capabilities
  • Small form factor
  • High efficiency
  • Low power consumption

Package

The LTC1555LEGN#TRPBF comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to efficiently manage power and charge batteries in electronic devices.

Packaging/Quantity

The LTC1555LEGN#TRPBF is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 4.1V to 4.2V
  • Charging Current: Up to 500mA
  • Operating Temperature Range: -40°C to 85°C
  • Shutdown Current: <1µA

Detailed Pin Configuration

The LTC1555LEGN#TRPBF has a total of 16 pins. The pin configuration is as follows:

  1. VBAT - Battery input voltage
  2. GND - Ground
  3. PROG - Programming pin
  4. CE - Chip enable pin
  5. STAT - Status output pin
  6. VCC - Supply voltage
  7. VOUT - Output voltage
  8. ISET - Current set pin
  9. TS - Thermal shutdown pin
  10. BAT - Battery connection
  11. NTC - Negative temperature coefficient pin
  12. SCL - Serial clock pin
  13. SDA - Serial data pin
  14. INT - Interrupt pin
  15. VREF - Reference voltage
  16. VSS - Negative supply voltage

Functional Features

  • Battery charging with thermal regulation
  • Programmable charge current
  • Automatic recharge
  • Overvoltage protection
  • Undervoltage lockout
  • Temperature monitoring and shutdown

Advantages and Disadvantages

Advantages

  • Efficient power management
  • High charging current capability
  • Small form factor
  • Wide input voltage range
  • Comprehensive protection features

Disadvantages

  • Limited output voltage range
  • Requires external programming for specific applications

Working Principles

The LTC1555LEGN#TRPBF operates by regulating the charging current to the connected battery based on the input voltage and temperature conditions. It utilizes a programmable charge current, which can be set externally using the PROG pin. The device also incorporates various protection features such as overvoltage protection and undervoltage lockout to ensure safe operation.

Detailed Application Field Plans

The LTC1555LEGN#TRPBF finds applications in a wide range of 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
  4. Medical devices
  5. Industrial equipment

Detailed and Complete Alternative Models

  1. LTC1550LEGN#TRPBF
  2. LTC1553LEGN#TRPBF
  3. LTC1557LEGN#TRPBF
  4. LTC1558LEGN#TRPBF
  5. LTC1559LEGN#TRPBF

These alternative models offer similar functionality and characteristics to the LTC1555LEGN#TRPBF, providing options for different design requirements.

In conclusion, the LTC1555LEGN#TRPBF is an integrated circuit designed for power management and battery charging applications. With its small form factor, high efficiency, and comprehensive protection features, it is well-suited for various electronic devices. Its programmable charge current and wide input voltage range make it versatile in different applications. However, it has a limited output voltage range and requires external programming for specific use cases. Overall, the LTC1555LEGN#TRPBF offers efficient power management and reliable battery charging capabilities for a wide range of electronic devices.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LTC1555LEGN#TRPBF dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LTC1555LEGN#TRPBF in technical solutions:

  1. Q: What is the LTC1555LEGN#TRPBF? A: The LTC1555LEGN#TRPBF is a specific model of a low noise, high efficiency, dual-output synchronous buck converter IC.

  2. Q: What are the key features of the LTC1555LEGN#TRPBF? A: Some key features include dual outputs, high efficiency up to 95%, low quiescent current, wide input voltage range, and adjustable output voltage.

  3. Q: What are the typical applications of the LTC1555LEGN#TRPBF? A: The LTC1555LEGN#TRPBF is commonly used in battery-powered devices, portable electronics, IoT devices, and other applications requiring efficient power conversion.

  4. Q: What is the input voltage range supported by the LTC1555LEGN#TRPBF? A: The LTC1555LEGN#TRPBF supports an input voltage range from 2.7V to 5.5V.

  5. Q: Can the output voltage be adjusted on the LTC1555LEGN#TRPBF? A: Yes, the output voltage can be adjusted using external resistors.

  6. Q: What is the maximum output current of the LTC1555LEGN#TRPBF? A: The maximum output current for each channel of the LTC1555LEGN#TRPBF is typically around 600mA.

  7. Q: Does the LTC1555LEGN#TRPBF have built-in protection features? A: Yes, it includes features like overcurrent protection, thermal shutdown, and short-circuit protection.

  8. Q: Can the LTC1555LEGN#TRPBF operate in a low-power mode? A: Yes, it has a low quiescent current of typically 25µA, making it suitable for low-power applications.

  9. Q: What is the efficiency of the LTC1555LEGN#TRPBF? A: The LTC1555LEGN#TRPBF can achieve high efficiency levels up to 95%.

  10. Q: Is the LTC1555LEGN#TRPBF RoHS compliant? A: Yes, the LTC1555LEGN#TRPBF is RoHS (Restriction of Hazardous Substances) compliant, ensuring it meets certain environmental standards.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.