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MCP73871T-2AAI/ML Datasheet (PDF) - Microchip Technology

MCP73871T-2AAI/ML Datasheet PDF - Microchip Technology
No. de pieza MCP73871T-2AAI/ML
Descarga  MCP73871T-2AAI/ML Descarga

Tamaño del archivo   670.59 Kbytes
Page   38 Pages
Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Descripción Electrónicos Stand-Alone System Load Sharing and Li-Ion / Li-Polymer Battery Charge Management Controller

MCP73871T-2AAI/ML Datasheet (PDF)

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MCP73871T-2AAI/ML Datasheet PDF - Microchip Technology

No. de pieza MCP73871T-2AAI/ML
Descarga  MCP73871T-2AAI/ML Click to download

Tamaño del archivo   670.59 Kbytes
Page   38 Pages
Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Descripción Electrónicos Stand-Alone System Load Sharing and Li-Ion / Li-Polymer Battery Charge Management Controller

MCP73871T-2AAI/ML Datasheet (HTML) - Microchip Technology

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MCP73871T-2AAI/ML Detalles de producto

Description
The MCP73871 device is a fully integrated linear solution for system load sharing and Li-Ion / Li-Polymer battery charge management with ac-dc wall adapter and USB port power sources selection. It’s also capable of autonomous power source selection between input or battery. Along with its small physical size, the low number of required external components makes the device ideally suited for portable applications.
The MCP73871 device automatically obtains power for the system load from a single-cell Li-Ion battery or an input power source (ac-dc wall adapter or USB port). The MCP73871 device specifically adheres to the current drawn limits governed by the USB specification. With an ac-dc wall adapter providing power to the system, an external resistor sets the magnitude of 1A maximum charge current while supports up to 1.8A total current for system load and battery charge current.

Features
• Integrated System Load Sharing and Battery Charge Management
   - Simultaneously Power the System and Charge the Li-Ion Battery
   - Voltage Proportional Current Control (VPCC) ensures system load has priority over Li-Ion battery charge current
   - Low-Loss Power-Path Management with Ideal Diode Operation
• Complete Linear Charge Management Controller
   - Integrated Pass Transistors
   - Integrated Current Sense
   - Integrated Reverse Discharge Protection
   - Selectable Input Power Sources: USB Port or AC-DC Wall Adapter
• Preset High Accuracy Charge Voltage Options:
   - 4.10V, 4.20V, 4.35V or 4.40V
   - ±0.5% Regulation Tolerance
• Constant Current / Constant Voltage (CC/CV) Operation with Thermal Regulation
• Maximum 1.8A Total Input Current Control
• Resistor Programmable Fast Charge Current Control: 50 mA to 1A
• Resistor Programmable Termination Set Point
• Selectable USB Input Current Control
   - Absolute Maximum: 100 mA (L) / 500 mA (H)
• Automatic Recharge
• Automatic End-of-Charge Control
• Safety Timer With Timer Enable/Disable Control
• 0.1C Preconditioning for Deeply Depleted Cells
• Battery Cell Temperature Monitor
• Undervoltage Lockout (UVLO)
• Low Battery Status Indicator (LBO)
• Power-Good Status Indicator (PG)
• Charge Status and Fault Condition Indicators
• Numerous Selectable Options Available for a Variety of Applications:
   - Refer to Section 1.0 “Electrical Characteristics” for Selectable Options”
   - Refer to the “Product Identification System” for Standard Options
• Temperature Range: -40°C to +85°C
• Packaging: 20-Lead QFN (4 mm x 4 mm)

Applications
• GPSs / Navigators
• PDAs and Smart Phones
• Portable Media Players and MP3 Players
• Digital Cameras
• Bluetooth Headsets
• Portable Medical Devices
• Charge Cradles / Docking Stations
• Toys



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Acerca de Microchip Technology


Microchip Technology es una compañía de semiconductores estadounidense que fue fundada en 1989.
La compañía proporciona una amplia gama de microcontroladores, analógicos, memoria y productos de seguridad para diversas aplicaciones en los mercados automotrices, industriales y de consumo.
Microchip es uno de los mayores proveedores de microcontroladores del mundo y es conocido por su experiencia en diseño de baja potencia y su enfoque en las tecnologías de ahorro de energía.
La compañía también proporciona herramientas y software de desarrollo para ayudar a los clientes a diseñar y prototipos de sus productos.
Microchip tiene operaciones en más de 70 países y sus productos se utilizan en una amplia gama de aplicaciones.

*Esta información es solo para fines informativos generales, no seremos responsables de ninguna pérdida o daño causado por la información anterior.




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