LTC3589EUJ#PBF
Product Overview
Category
LTC3589EUJ#PBF belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- LTC3589EUJ#PBF is a highly efficient, low quiescent current, power management IC.
- It integrates multiple functions such as battery charger, buck-boost DC/DC converter, and power path management.
- The device operates over a wide input voltage range, making it suitable for various applications.
- It offers high efficiency conversion, enabling longer battery life in portable devices.
- LTC3589EUJ#PBF provides flexible power management options, allowing customization based on specific requirements.
Package
LTC3589EUJ#PBF is available in a small 4mm x 4mm QFN package.
Essence
The essence of LTC3589EUJ#PBF lies in its ability to efficiently manage power in a compact form factor, making it ideal for portable electronic devices.
Packaging/Quantity
This product is typically packaged in reels and is available in quantities specified by the manufacturer.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: Programmable from 1.8V to 5.25V
- Maximum Charging Current: 950mA
- Buck-Boost Efficiency: Up to 95%
- Quiescent Current: <50µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The LTC3589EUJ#PBF features a total of 24 pins. Here is a detailed pin configuration:
- VIN: Input voltage pin
- VOUT: Output voltage pin
- GND: Ground pin
- EN: Enable pin
- INTVCC: Internal voltage supply pin
- VBAT: Battery voltage input pin
- ISET: Charging current set pin
- STAT: Status output pin
- PG: Power good output pin
- SDA: I2C data pin
- SCL: I2C clock pin
- IRQ: Interrupt request output pin
- SW1: Switching node 1
- SW2: Switching node 2
- SW3: Switching node 3
- SW4: Switching node 4
- SW5: Switching node 5
- SW6: Switching node 6
- SW7: Switching node 7
- SW8: Switching node 8
- SW9: Switching node 9
- SW10: Switching node 10
- SW11: Switching node 11
- SW12: Switching node 12
Functional Features
- Battery charger with programmable charging current and termination voltage.
- Buck-boost DC/DC converter for efficient power conversion.
- Power path management allows simultaneous battery charging and system operation.
- I2C interface for configuration and monitoring.
- Power good and interrupt outputs for system status indication.
Advantages and Disadvantages
Advantages
- High efficiency power conversion extends battery life.
- Wide input voltage range enables compatibility with various power sources.
- Compact form factor suitable for portable devices.
- Flexible power management options for customization.
- Integrated battery charger simplifies design and reduces external components.
Disadvantages
- Limited maximum charging current compared to dedicated battery chargers.
- Requires careful consideration of thermal management due to high efficiency.
Working Principles
LTC3589EUJ#PBF operates by efficiently converting the input voltage to the desired output voltage using a buck-boost DC/DC converter. It also manages the charging of the battery connected to the VBAT pin. The device intelligently switches between power sources, ensuring continuous operation while charging the battery. The I2C interface allows configuration and monitoring of various parameters.
Detailed Application Field Plans
LTC3589EUJ#PBF finds applications in a wide range of portable electronic devices, including but not limited to: - Smartphones and tablets - Wearable devices - Portable medical devices - GPS trackers - IoT devices - Wireless sensors
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LTC3589EUJ#PBF are: - LTC3589EUD#PBF - LTC3589IUJ#PBF - LTC3589IUD#PBF - LTC3589EFE#PBF
These models may have slight variations in specifications or package options, but they serve as suitable alternatives for power management applications.
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技術ソリューションにおける LTC3589EUJ#PBF 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 LTC3589EUJ#PBF in technical solutions:
Q: What is LTC3589EUJ#PBF? A: LTC3589EUJ#PBF is a power management IC (integrated circuit) designed for energy harvesting applications.
Q: What are the key features of LTC3589EUJ#PBF? A: Some key features include a wide input voltage range, integrated battery charger, programmable output voltage, and low quiescent current.
Q: What is energy harvesting? A: Energy harvesting is the process of capturing and storing energy from ambient sources such as solar, thermal, or mechanical, and converting it into usable electrical energy.
Q: How can LTC3589EUJ#PBF be used in energy harvesting applications? A: LTC3589EUJ#PBF can be used to efficiently manage and regulate the harvested energy, charge a battery, and provide a stable power supply to other components in the system.
Q: What is the input voltage range of LTC3589EUJ#PBF? A: The input voltage range is typically between 2.7V and 20V, making it suitable for a wide range of energy harvesting sources.
Q: Can LTC3589EUJ#PBF charge a battery? A: Yes, LTC3589EUJ#PBF has an integrated battery charger that can charge a single-cell Li-Ion/Polymer battery.
Q: Is the output voltage of LTC3589EUJ#PBF programmable? A: Yes, the output voltage can be programmed using external resistors to meet the specific requirements of the system.
Q: What is the quiescent current of LTC3589EUJ#PBF? A: The quiescent current is typically very low, around 950nA, which helps to minimize power consumption in energy harvesting applications.
Q: Can LTC3589EUJ#PBF provide multiple output voltages? A: No, LTC3589EUJ#PBF is designed to provide a single regulated output voltage.
Q: Are there any evaluation boards or reference designs available for LTC3589EUJ#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help users get started with LTC3589EUJ#PBF in their applications.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.