| Allicdata Part #: | MCP73834T-B6I/UN-ND |
| Manufacturer Part#: |
MCP73834T-B6I/UN |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC LI-ION/LI-POLY CTRLR 10MSOP |
| More Detail: | Charger IC Lithium-Ion/Polymer 10-MSOP |
| DataSheet: |  MCP73834T-B6I/UN Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Obsolete |
| Battery Chemistry: | Lithium-Ion/Polymer |
| Number of Cells: | 1 |
| Current - Charging: | Constant - Programmable |
| Programmable Features: | Current |
| Fault Protection: | Over Temperature |
| Charge Current - Max: | 1.1A |
| Battery Pack Voltage: | 4.2V |
| Voltage - Supply (Max): | 6V |
| Interface: | -- |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Package / Case: | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package: | 10-MSOP |
| Base Part Number: | MCP73834T |
Description
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The MCP73834T-B6I/UN is a linear, switching or combined Battery Charger, which is used in various Electrical appliances as a Power Management Integrated Circuit (PMIC). It can be used to charge a 3 Series or 4 Series Cell battery by using a very low power dissipation and low external component count. The device can be used to charge a single cell battery, or multiple cells in parallel configuration. The chip is capable of managing very small charge currents, allowing low power consumption and charging of very low capacity batteries.
The MCP73834T-B6I/UN has an integrated current-mode synchronous buck controller, with an internal PMOS power switch operating at a maximum of 3A. Additional features include an output voltage accuracy of ±3%, low quiescent current of 80uA, and high charging current accuracy of 12.5%. The integrated system controller employs a constant-current-limited Intelligent Maximum Power Cooler Control loop to manage the thermal profile. It is also capable of providing up to 80% efficiency for charging applications.
The device can be used in a wide range of applications, including portable devices, power adapters, and cellphones. Additionally, the MCP73834T-B6I/UN is well suited for automotive applications, where a low charging voltage, low current, and high efficiency is required. It is also capable of safely regulating the input and output voltages of automotive batteries, while providing protection against reverse polarity connections.
The working principle of the MCP73834T-B6I/UN is based on the charging of the battery using a constant-current Power Management loop. This loop charges the battery with a certain current and stops charging when the battery reaches its full capacity. The battery charge current is determined by the output voltage as well as the output current. The power switch is used to adjust the current flowing through the battery. The system controller then adjusts the charger\'s output voltage to maintain a constant charging current.
The MCP73834T-B6I/UN also features a number of battery protection features, such as an over-voltage protection, over-current protection, and reverse-polarity protection. It is also capable of detecting battery defects and protecting the battery from overcharging. Additionally, the chip is able to monitor the battery temperature and provide feedback to the system for better charge management.
Overall, the MCP73834T-B6I/UN is a very versatile and reliable battery charger PMIC with a wide range of applications. It offers low power dissipation, low external components count, and high charging efficiency. It provides a number of advanced protections and features, making it ideal for applications that require a fast and safe charging of 3- or 4-series Cell batteries.
The specific data is subject to PDF, and the above content is for reference
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