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LTC3558EUD#TRPBF
+NomenclatureIC USB BATTERY CHARGER 20-QFN
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LTC3558EUD#TRPBF
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Fiche technique LTC3558EUD#TRPBF DataSheet
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Package QFN-20
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En stock6354
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Spécifications
| Attribut | Valeur |
| 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 |
Présentation
Description
Equivalent
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
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
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.