規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Applications | Handheld/Mobile Devices |
| Current-Supply | 200µA |
| Voltage-Supply | 4.35V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 20-WFQFN Exposed Pad |
概述
Description
The LTC3558EUD#TRPBF is a highly integrated power management IC designed by Analog Devices, Inc. It is intended for portable electronics and battery-powered applications, incorporating dual switching regulator outputs, a USB-compliant linear battery charger, and multiple low-dropout (LDO) regulators. The device supports lithium-ion/polymer batteries, enhancing the power efficiency and battery life of devices. The dual step-down DC/DC converters are capable of delivering up to 400mA each, while the charger provides a complete battery charging solution with constant-current/constant-voltage modes and thermal regulation. The two LDO regulators add further flexibility for powering additional system components with low noise and high power supply rejection ratio (PSRR). The LTC3558EUD#TRPBF comes in a low-profile 16-lead (4mm x 3mm) DFN package, making it suitable for space-constrained applications. Its comprehensive feature set ensures efficient power distribution and management, reducing the need for multiple external components. This IC is particularly suited for handheld devices, portable instruments, and other low-power, high-efficiency applications.
Equivalent
The LTC3558EUD#TRPBF is a dual switching regulator and Li-Ion battery charger from Analog Devices. Equivalent products with similar functionality might include:
1. MCP73871 from Microchip Technology, which is a Li-Ion/Li-Po battery charge management controller.
2. BQ24295 from Texas Instruments, a single-cell battery charger with an integrated buck converter.
3. MAX8900A from Maxim Integrated, a dual-input USB/adapter charger with Smart Power Selector.
These alternatives offer similar functionalities but may differ in specifications and packaging. Always cross-reference your requirements with the datasheets.
1. MCP73871 from Microchip Technology, which is a Li-Ion/Li-Po battery charge management controller.
2. BQ24295 from Texas Instruments, a single-cell battery charger with an integrated buck converter.
3. MAX8900A from Maxim Integrated, a dual-input USB/adapter charger with Smart Power Selector.
These alternatives offer similar functionalities but may differ in specifications and packaging. Always cross-reference your requirements with the datasheets.
Features
The LTC3558EUD#TRPBF is a highly integrated power management IC designed by Analog Devices, which combines a battery charger and dual synchronous step-down regulators. Key features include:
1. Battery Charger: It offers a constant-current/constant-voltage battery charger for single-cell Li-Ion batteries with a programmable charge current up to 950mA.
2. Dual Step-Down Regulators: The device includes two high-efficiency synchronous buck regulators, capable of delivering up to 400mA and 800mA, respectively.
3. PowerPath Control: It features PowerPath control, allowing seamless transition between power sources, and ensures charge of the battery while supplying power to the load.
4. Efficiency: The buck regulators provide high efficiency over a wide range of output currents, helping to minimize heat and extend battery life.
5. USB Compliance: It supports USB power specifications, making it suitable for portable devices.
6. Compact Package: Housed in a 16-lead 3mm × 3mm QFN package, it is ideal for space-constrained applications.
Overall, the LTC3558EUD#TRPBF is well-suited for portable electronics that require efficient power management solutions.
1. Battery Charger: It offers a constant-current/constant-voltage battery charger for single-cell Li-Ion batteries with a programmable charge current up to 950mA.
2. Dual Step-Down Regulators: The device includes two high-efficiency synchronous buck regulators, capable of delivering up to 400mA and 800mA, respectively.
3. PowerPath Control: It features PowerPath control, allowing seamless transition between power sources, and ensures charge of the battery while supplying power to the load.
4. Efficiency: The buck regulators provide high efficiency over a wide range of output currents, helping to minimize heat and extend battery life.
5. USB Compliance: It supports USB power specifications, making it suitable for portable devices.
6. Compact Package: Housed in a 16-lead 3mm × 3mm QFN package, it is ideal for space-constrained applications.
Overall, the LTC3558EUD#TRPBF is well-suited for portable electronics that require efficient power management solutions.
Pinout
The LTC3558EUD#TRPBF is a power management IC with 20 pins. It is designed for portable device applications and provides multiple functions, including a high-efficiency step-down DC/DC converter and a linear battery charger. The IC features:
1. A dual high-efficiency step-down regulator.
2. A full-featured, constant-current/constant-voltage linear battery charger.
3. A power path controller that manages the power distribution between the battery and the load.
4. An adjustable input current limit for USB or adapter power sources.
This IC is suitable for systems powered by single-cell Li-Ion/Li-Polymer batteries. It also supports USB On-The-Go and includes features like thermal regulation, automatic recharge, and a charge status indicator. The device operates over a wide input voltage range and provides efficient power management for compact electronic devices.
1. A dual high-efficiency step-down regulator.
2. A full-featured, constant-current/constant-voltage linear battery charger.
3. A power path controller that manages the power distribution between the battery and the load.
4. An adjustable input current limit for USB or adapter power sources.
This IC is suitable for systems powered by single-cell Li-Ion/Li-Polymer batteries. It also supports USB On-The-Go and includes features like thermal regulation, automatic recharge, and a charge status indicator. The device operates over a wide input voltage range and provides efficient power management for compact electronic devices.
Manufacturer
The LTC3558EUD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company known for designing and manufacturing semiconductor devices, including analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including consumer electronics, communications, healthcare, automotive, and industrial sectors, by providing solutions that bridge the physical and digital worlds, such as analog-to-digital converters, amplifiers, power management products, and more.
Application
The LTC3558EUD#TRPBF is a dual-output, high-efficiency power management IC designed for portable and battery-powered devices. It is often used in applications such as smartphones, tablets, digital cameras, and other handheld electronics. Its key features include a high-efficiency step-down converter, a USB-compatible linear battery charger, and integrated PowerPath management, making it suitable for applications requiring efficient power management, battery charging, and power path control. It is ideal for optimizing battery life and performance in compact electronic devices.
Package
The LTC3558EUD#TRPBF is a micro power, dual-channel PowerPath manager in a QFN package. It typically comes in a 4mm x 5mm 28-lead Plastic QFN (quad-flat no-leads) package, which is ideal for compact applications requiring efficient power management.
