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Name: MCP73831T-2ATI/OT
Brand: Microchip Technology
SKU: MCP73831T-2ATI/OT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology MCP73831T-2ATI/OT

Part No.:: MCP73831T-2ATI/OT

Manufacturer:: Microchip Technology

Package:: SC-74A, SOT-753

Datasheet:: MCP73831T-2ATI/OT.pdf

Description:: IC BATT CNTL LI-ION 1CEL SOT23-5

In Stock:: 3490

Quantity:: Add To Cart

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MCP73831T-2ATI/OT Typical application Circuitry

MCP73831T-2ATI OT

The MCP73831T-2ATI/OT is a miniature single-cell, fully integrated lithium-ion/lithium-polymer charge management controller. It's notable for its compact size, high-accuracy, and efficiency in managing the charging of single-cell Li-Ion/Li-Po batteries. This component is widely used in portable applications like wearable technology, medical devices, and various other small electronic devices.

Functionalities

The MCP73831T-2ATI/OT offers precise charge control for single-cell lithium-ion and lithium-polymer batteries, including functionalities like constant current charging, constant voltage charging, and charge termination.

Application Scenarios

A common application for the MCP73831T-2ATI/OT is in wearable electronic devices where efficient, space-saving battery charge management is crucial.

Parameter Features

- Charge Control: Provides constant current/constant voltage charging with automatic transition between modes.

- High Accuracy: Ensures precise end-of-charge voltage control for battery longevity and efficiency.

- Thermal Regulation: Includes temperature monitoring to prevent overheating during the charging process.

Circuit Connection Guide for Wearable Electronics

Incorporating the MCP73831T-2ATI/OT into a wearable electronics charging circuit requires detailed attention:

1. Power Input Connection: Connect the 'VDD' pin (Pin 2) of the MCP73831T-2ATI/OT to the power source. This source should match the required input specifications for charging the Li-Ion/Li-Po battery.

2. Battery Connection: Attach the 'BAT' pin (Pin 5) of the MCP73831T-2ATI/OT directly to the positive terminal of the lithium-ion or lithium-polymer battery.

3. Charge Status Output: Use the 'STAT' pin (Pin 1) to provide charge status. This pin can be connected to an LED or directly interfaced with a microcontroller for charge monitoring.

4. Ground Connection: Connect the 'GND' pin (Pin 3) to the system ground.

Design Considerations for MCP73831T-2ATI/OT Circuit

- Input Power Source Quality: Ensure the input power source is stable and within the specified range for the MCP73831T-2ATI/OT to avoid charging errors.

- Thermal Management: Even though the MCP73831T-2ATI/OT has built-in thermal regulation, additional cooling mechanisms may be necessary in compact spaces to dissipate heat effectively.

- Protection Circuits: Implement appropriate protection mechanisms, like overcurrent and short-circuit protection, to safeguard both the charger and the battery.

In conclusion, the MCP73831T-2ATI/OT is a highly efficient, accurate, and compact charging controller for single-cell lithium-ion or lithium-polymer batteries, ideally suited for wearable electronics and other portable devices. When designing circuits with the MCP73831T-2ATI/OT, careful consideration of power source quality, thermal management, and protective circuitry is essential to ensure safe, efficient, and reliable battery charging.

MCP73831T-2ATI/OT information

MCP73831T-2ATI/OT Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
BatteryChemistry:
Lithium Ion/Polymer
NumberofCells:
1
Current-Charging:
Constant - Programmable
ProgrammableFeatures:
Current
FaultProtection:
Over Voltage
ChargeCurrent-Max:
500mA
BatteryPackVoltage:
4.2V
Voltage-Supply(Max):
6V
Interface:
-
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

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