Intersil
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
ISL6293-2CR-T
Lihat Butiran Helaian data

ISL6293-2CR-T

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger Controller

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Programmable charge current - Accurate voltage regulation - Thermal protection - Overvoltage protection - Short-circuit protection

Package: 8-Lead DFN (Dual Flat No-Lead)

Essence: The ISL6293-2CR-T is a battery charger controller IC designed for high-efficiency charging of single-cell Li-ion or Li-polymer batteries. It provides accurate voltage and current regulation, along with various protection features.

Packaging/Quantity: The ISL6293-2CR-T is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charge Voltage Accuracy: ±0.5%
  • Charge Current Accuracy: ±5%
  • Quiescent Current: 20µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6293-2CR-T has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. PROG: Charge current programming pin
  4. STAT: Status output pin
  5. TS: Thermistor input for temperature monitoring
  6. BAT: Battery connection
  7. PGND: Power ground
  8. COMP: Compensation pin for loop stability

Functional Features

  • Constant-current/constant-voltage (CC/CV) charging algorithm
  • Programmable charge current through external resistor
  • Automatic recharge feature
  • Battery temperature monitoring and protection
  • LED status indication
  • Fault detection and reporting

Advantages and Disadvantages

Advantages: - High charging efficiency - Wide input voltage range allows for versatile applications - Accurate voltage and current regulation ensures safe charging - Thermal, overvoltage, and short-circuit protection enhance safety - LED status indication provides visual feedback

Disadvantages: - Limited to single-cell Li-ion or Li-polymer battery charging - Requires external components for complete charging circuit implementation

Working Principles

The ISL6293-2CR-T operates on a CC/CV charging algorithm. It starts by delivering a constant current to the battery until its voltage reaches the programmed threshold. Then, it switches to constant voltage mode, maintaining a steady voltage while reducing the charging current. This ensures efficient and controlled charging of the battery.

The IC continuously monitors the battery temperature through the thermistor input and adjusts the charging parameters accordingly. It also incorporates various protection features like thermal shutdown, overvoltage protection, and short-circuit protection to prevent damage to the battery and the charging circuit.

Detailed Application Field Plans

The ISL6293-2CR-T is widely used in portable electronic devices that require single-cell Li-ion or Li-polymer battery charging. Some common application fields include: - Smartphones and tablets - Portable media players - Bluetooth headsets - GPS devices - Wearable devices

Detailed and Complete Alternative Models

  • ISL6293-1CR-T: Similar to ISL6293-2CR-T but with different pin configuration
  • ISL6293-3CR-T: Similar to ISL6293-2CR-T but with additional features
  • ISL6293-4CR-T: Similar to ISL6293-2CR-T but optimized for specific applications

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

Word count: 439 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL6293-2CR-T dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ISL6293-2CR-T in technical solutions:

  1. Q: What is ISL6293-2CR-T? A: ISL6293-2CR-T is a specific model of integrated circuit (IC) used for battery charging applications.

  2. Q: What is the input voltage range for ISL6293-2CR-T? A: The input voltage range for ISL6293-2CR-T is typically between 4.5V and 28V.

  3. Q: What is the maximum charging current supported by ISL6293-2CR-T? A: The maximum charging current supported by ISL6293-2CR-T is typically 2A.

  4. Q: Can ISL6293-2CR-T be used for both lithium-ion and lithium-polymer batteries? A: Yes, ISL6293-2CR-T is designed to support both lithium-ion and lithium-polymer battery chemistries.

  5. Q: Does ISL6293-2CR-T have built-in overvoltage protection? A: Yes, ISL6293-2CR-T includes overvoltage protection to prevent damage to the battery during charging.

  6. Q: Is thermal shutdown included in ISL6293-2CR-T? A: Yes, ISL6293-2CR-T incorporates thermal shutdown functionality to protect against excessive heat.

  7. Q: Can ISL6293-2CR-T be used in fast charging applications? A: Yes, ISL6293-2CR-T supports fast charging with adjustable charging current and voltage settings.

  8. Q: Does ISL6293-2CR-T provide any indication of charging status? A: Yes, ISL6293-2CR-T includes an integrated LED driver for charging status indication.

  9. Q: What is the typical efficiency of ISL6293-2CR-T? A: The typical efficiency of ISL6293-2CR-T is around 90%, ensuring efficient power conversion during charging.

  10. Q: Are there any evaluation boards or reference designs available for ISL6293-2CR-T? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs to help with the implementation of ISL6293-2CR-T in various applications.

Please note that the specific details mentioned above may vary depending on the manufacturer's specifications and application requirements.