Intersil
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
ISL9440CIRZ-T
詳細を表示 DataSheets

ISL9440CIRZ-T

Product Overview

Category

ISL9440CIRZ-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in various electronic devices and systems for power management purposes.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size
  • Reliable performance

Package

ISL9440CIRZ-T is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of ISL9440CIRZ-T lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

ISL9440CIRZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input voltage range: 2.7V to 5.5V
  • Output voltage range: 0.6V to VIN
  • Maximum output current: 4A
  • Switching frequency: 1MHz
  • Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

ISL9440CIRZ-T has the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching node
  6. PGND: Power ground
  7. VOUT: Output voltage

Functional Features

  • High-efficiency synchronous buck converter
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start functionality
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for integration into space-constrained designs
  • Wide input voltage range enables compatibility with various power sources
  • Overcurrent and thermal shutdown protection enhance system safety

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Higher cost compared to non-integrated power management solutions

Working Principles

ISL9440CIRZ-T operates as a synchronous buck converter, converting the input voltage to a lower, adjustable output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on the feedback received from the FB pin. The integrated circuit incorporates various protection mechanisms, such as overcurrent and thermal shutdown, to ensure safe operation.

Detailed Application Field Plans

ISL9440CIRZ-T finds application in a wide range of electronic devices and systems, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Portable gaming consoles - Wearable devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL9440CIRZ-T include: - LT8610ABEMSE#PBF by Analog Devices Inc. - TPS54332DDAR by Texas Instruments Inc. - MAX15062BATA+T by Maxim Integrated

These alternative models can be considered based on specific design requirements and preferences.

Word count: 411

技術ソリューションにおける ISL9440CIRZ-T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of ISL9440CIRZ-T in technical solutions:

  1. Q: What is ISL9440CIRZ-T? A: ISL9440CIRZ-T is a specific model of integrated circuit (IC) designed for power management applications.

  2. Q: What are the key features of ISL9440CIRZ-T? A: Some key features of ISL9440CIRZ-T include high efficiency, low quiescent current, wide input voltage range, and overcurrent protection.

  3. Q: What is the typical application of ISL9440CIRZ-T? A: ISL9440CIRZ-T is commonly used in battery-powered devices, such as smartphones, tablets, portable medical devices, and other portable electronics.

  4. Q: How does ISL9440CIRZ-T help in power management? A: ISL9440CIRZ-T helps in power management by efficiently converting and regulating the input voltage to provide a stable output voltage for the connected device.

  5. Q: Can ISL9440CIRZ-T handle different input voltage levels? A: Yes, ISL9440CIRZ-T has a wide input voltage range, typically from 2.7V to 5.5V, making it suitable for various power sources.

  6. Q: Does ISL9440CIRZ-T have any built-in protection mechanisms? A: Yes, ISL9440CIRZ-T includes overcurrent protection, which helps safeguard the device and the connected load from excessive current.

  7. Q: Is ISL9440CIRZ-T compatible with different types of batteries? A: Yes, ISL9440CIRZ-T is compatible with various battery chemistries, including lithium-ion (Li-ion), lithium-polymer (LiPo), and nickel-metal hydride (NiMH).

  8. Q: Can ISL9440CIRZ-T be used in automotive applications? A: Yes, ISL9440CIRZ-T is suitable for automotive applications, as it can handle the wide range of input voltages typically found in vehicles.

  9. Q: Does ISL9440CIRZ-T have any sleep mode or low-power features? A: Yes, ISL9440CIRZ-T has a low quiescent current mode, which helps minimize power consumption during standby or idle periods.

  10. Q: Are there any evaluation boards or reference designs available for ISL9440CIRZ-T? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs to help engineers quickly prototype and integrate ISL9440CIRZ-T into their applications.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and application requirements.