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ISL88736HRTZ

ISL88736HRTZ

Product Overview

Category

ISL88736HRTZ belongs to the category of integrated circuits (ICs).

Use

It is primarily used as a battery charger controller.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Fast charging capability
  • Overvoltage protection
  • Thermal regulation
  • Programmable charge current
  • Small form factor

Package

ISL88736HRTZ comes in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of ISL88736HRTZ lies in its ability to efficiently control and regulate the charging process of batteries.

Packaging/Quantity

This product is typically packaged in reels, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charge Voltage Accuracy: ±1%
  • Charge Current Accuracy: ±5%
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Charging Current: 3A
  • Maximum Output Voltage: 14.4V
  • Standby Current: <10µA

Detailed Pin Configuration

ISL88736HRTZ has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. BAT: Battery connection
  4. TS: Thermistor input for temperature monitoring
  5. PROG: Charge current programming pin
  6. STAT: Status output pin
  7. EN: Enable pin for device control
  8. ISET: Current sense resistor connection

Functional Features

  • Constant current and constant voltage charging modes
  • Automatic recharge initiation
  • Battery temperature monitoring and protection
  • LED status indication
  • Fault detection and reporting
  • Overvoltage and overcurrent protection

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to faster charging times
  • Wide input voltage range allows for versatile applications
  • Programmable charge current enables customization
  • Comprehensive protection features ensure safe operation
  • Small form factor saves board space

Disadvantages

  • Limited maximum charging current may not be suitable for high-capacity batteries
  • Temperature regulation may require additional external components

Working Principles

ISL88736HRTZ operates by controlling the charging process of batteries through a combination of constant current and constant voltage modes. It monitors the battery temperature, adjusts the charge current accordingly, and terminates the charging process when the battery reaches the desired voltage level.

Detailed Application Field Plans

ISL88736HRTZ finds applications in various fields, including: 1. Portable electronic devices 2. Power banks 3. Electric vehicles 4. Solar-powered systems 5. Industrial equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL88736HRTZ are: 1. MCP73831 2. BQ24075 3. LTC4054 4. MAX1555 5. TP4056

These models can be considered as alternatives based on specific requirements and design considerations.

In conclusion, ISL88736HRTZ is a highly efficient battery charger controller IC with a wide range of applications. Its compact size, comprehensive protection features, and programmability make it an ideal choice for various portable and power-related electronic devices.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ISL88736HRTZ i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of ISL88736HRTZ in technical solutions:

  1. Q: What is ISL88736HRTZ? A: ISL88736HRTZ is a highly integrated battery charger controller IC designed for single-cell Li-ion or Li-polymer batteries.

  2. Q: What is the input voltage range supported by ISL88736HRTZ? A: The input voltage range supported by ISL88736HRTZ is typically between 4.5V and 28V.

  3. Q: Can ISL88736HRTZ charge multiple batteries simultaneously? A: No, ISL88736HRTZ is designed to charge a single-cell battery at a time.

  4. Q: What charging current can ISL88736HRTZ provide? A: ISL88736HRTZ can provide a charging current up to 4A, depending on the external components used.

  5. Q: Does ISL88736HRTZ support fast charging? A: Yes, ISL88736HRTZ supports various charging profiles, including fast charging, based on the configuration and external components used.

  6. Q: Can ISL88736HRTZ be used in portable devices? A: Yes, ISL88736HRTZ is commonly used in portable devices like smartphones, tablets, and other battery-powered devices.

  7. Q: Does ISL88736HRTZ have built-in safety features? A: Yes, ISL88736HRTZ incorporates several safety features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: Can ISL88736HRTZ operate in a wide temperature range? A: Yes, ISL88736HRTZ is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  9. Q: What is the typical efficiency of ISL88736HRTZ? A: The typical efficiency of ISL88736HRTZ is around 90-95%, depending on the input and output conditions.

  10. Q: Are evaluation boards available for ISL88736HRTZ? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs for ISL88736HRTZ to aid in the development process.

Please note that these answers are general and may vary based on specific application requirements and datasheet specifications.