Overview
The LTC4121EUD#TRPBF is a high-efficiency Li-ion battery charger and power manager from Analog Devices Inc. This device is designed to provide a comprehensive charging solution for single-cell lithium-ion batteries, integrating multiple functions to simplify the design process and enhance system reliability.
It features a high level of integration, including a switching regulator, battery charger, and system power manager, making it an ideal choice for a wide range of portable and battery-powered applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 28 | V |
| Output Voltage (Charging) | 4.1 to 4.2 | V |
| Charging Current Range | Up to 2A | A |
| Efficiency (Typical) | Up to 95% | % |
| Package Type | 20-Lead 3mm x 3mm QFN | - |
| Operating Temperature Range | -40 to 125 | °C |
| Thermal Shutdown | Yes | - |
| Overcharge Protection | Yes | - |
| Short-Circuit Protection | Yes | - |
Key Features
- High Efficiency: Up to 95% efficiency, reducing heat generation and improving battery life.
- Programmable Charging Current: Adjustable charging current up to 2A to accommodate various battery sizes and charging requirements.
- Integrated Power Path Management: Allows for seamless transition between battery and input power sources.
- Thermal and Overcharge Protection: Includes thermal shutdown, overcharge protection, and short-circuit protection to ensure safe operation.
- Compact Package: 20-Lead 3mm x 3mm QFN package, ideal for space-constrained designs.
Applications
- Portable Electronics: Smartphones, tablets, and other handheld devices.
- Wearable Devices: Smartwatches, fitness trackers, and hearing aids.
- Industrial and Medical Devices: Battery-powered tools, medical equipment, and IoT devices.
- Automotive Systems: In-vehicle infotainment systems and other automotive electronics.
Q & A
- What is the input voltage range of the LTC4121EUD#TRPBF?
The input voltage range is from 4.5V to 28V.
- What is the maximum charging current supported by the LTC4121EUD#TRPBF?
The maximum charging current is up to 2A.
- Does the LTC4121EUD#TRPBF have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
- What type of package does the LTC4121EUD#TRPBF come in?
The device comes in a 20-Lead 3mm x 3mm QFN package.
- Is the LTC4121EUD#TRPBF suitable for wearable devices?
Yes, it is suitable for wearable devices due to its high efficiency and compact package.
- Does the LTC4121EUD#TRPBF support overcharge protection?
Yes, it includes overcharge protection.
- What is the typical efficiency of the LTC4121EUD#TRPBF?
The typical efficiency is up to 95%.
- Can the LTC4121EUD#TRPBF be used in automotive systems?
Yes, it can be used in automotive systems due to its robust features and wide input voltage range.
- Does the LTC4121EUD#TRPBF have short-circuit protection?
Yes, it includes short-circuit protection.
- What is the operating temperature range of the LTC4121EUD#TRPBF?
The operating temperature range is from -40°C to 125°C.
