Overview
The LTC3553EUD#TRPBF is a highly integrated power management and battery charger IC designed by Analog Devices Inc. This component is specifically tailored for single-cell Li-Ion/Polymer battery applications in handheld and mobile devices. It combines multiple power management functions, including a battery charger, buck converter, and low dropout (LDO) regulator, making it an efficient and compact solution for power management needs.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | 20-Lead (3mm × 3mm) Plastic QFN |
| Operating Temperature Range | –40°C to 85°C |
| Junction Temperature | 110°C |
| Storage Temperature Range | –65°C to 125°C |
| VBUS, VOUT (Steady State) | –0.3V to 6V |
| IBAT (Continuous) | 1A |
| ISW (Continuous) | 300mA |
| ILDO (Continuous) | 175mA |
| ICHRG, IPBSTAT (Continuous) | 75mA |
Key Features
- Micropower operation with low quiescent current
- Integrated battery charger with programmable charge current and voltage
- Buck converter with high efficiency and low ripple
- Low dropout (LDO) regulator with low dropout voltage
- Overtemperature protection and short-circuit protection
- Compact 20-lead QFN package
Applications
The LTC3553EUD#TRPBF is ideal for use in handheld and mobile devices, such as smartphones, tablets, and portable media players. It is also suitable for other battery-powered devices that require efficient power management and charging capabilities.
Q & A
- What is the primary function of the LTC3553EUD#TRPBF?
The primary function is to manage power and charge single-cell Li-Ion/Polymer batteries in handheld and mobile devices. - What is the operating temperature range of the LTC3553EUD#TRPBF?
The operating temperature range is –40°C to 85°C. - What is the maximum junction temperature for the LTC3553EUD#TRPBF?
The maximum junction temperature is 110°C. - What types of protection does the LTC3553EUD#TRPBF offer?
The IC offers overtemperature protection and short-circuit protection. - What is the package type of the LTC3553EUD#TRPBF?
The package type is a 20-Lead (3mm × 3mm) Plastic QFN. - What are the typical applications for the LTC3553EUD#TRPBF?
Typical applications include handheld and mobile devices such as smartphones, tablets, and portable media players. - What is the maximum continuous current for the battery (IBAT)?
The maximum continuous current for the battery (IBAT) is 1A. - What is the maximum continuous current for the LDO (ILDO)?
The maximum continuous current for the LDO (ILDO) is 175mA. - Does the LTC3553EUD#TRPBF have a built-in buck converter?
Yes, it includes a high-efficiency buck converter. - Is the LTC3553EUD#TRPBF lead-free?
Yes, the LTC3553EUD#TRPBF is available in a lead-free finish.
