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IC BATT CNTL LI-ION 1CEL SOT23-5
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HerstellerMikrochip-Technologie
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Herstellerteil #MCP73831T-2DCI/OT
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Datenblatt MCP73831T-2DCI/OT DataSheet
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Paket SOT-23-5
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Auf Lager1517
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current |
| Fault Protection | Over Voltage |
| Charge Current - Max | 500mA |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
The controller has a simple interface with minimal external components, which simplifies design and reduces cost. It provides status indication via a single output pin, allowing for easy monitoring of the charging state. The MCP73831T-2DCI/OT is housed in a small SOT-23-5 package, making it ideal for space-constrained applications.
Overall, this controller is commonly used in portable devices, power banks, and wearable electronics due to its efficiency, safety features, and compact design, providing a reliable solution for battery charging management.
Equivalent
1. TP4056 - Linear Li-Ion battery charger.
2. MAX1555/MAX1551 - USB and AC adapter-powered linear Li-Ion charger.
3. LTC4054 - Standalone linear Li-Ion battery charger.
4. BQ24072 - Single-cell Li-Ion battery charger from Texas Instruments.
These alternatives offer similar functionalities but may vary in features, package, or specifications.
Features
1. Programmable Charge Current: Allows flexibility with charging rates via an external resistor.
2. Space Efficient: Offered in a compact SOT-23-5 package, ideal for portable and space-constrained applications.
3. Charge Termination: Automatically terminates charging when the battery reaches full charge.
4. Preconditioning: Provides preconditioning for depleted batteries with a low current until the cell voltage reaches a safe level.
5. Automatic Recharge: Reinitiates charging if the battery voltage drops below a set threshold.
6. Status Indicators: Includes charge status and fault indication pins.
7. Thermal Regulation: Actively regulates the charge process to prevent overheating.
8. Wide Input Voltage Range: Operates from 3.75V to 6V.
9. Protection Features: Includes overvoltage protection and operates within a safe temperature range.
These features make the MCP73831T-2DCI/OT suitable for various battery-powered applications, offering reliability and efficiency in charging management.
Pinout
1. VBAT (Pin 1): This pin is connected to the positive terminal of the battery. It serves as the output of the device to charge the battery.
2. VDD (Pin 2): This pin is the power input to the device. It should be connected to the source that provides the charging voltage.
3. STAT (Pin 3): This open-drain status output pin can be used to indicate charging status; it typically interfaces with an LED.
4. PROG (Pin 4): This pin is used to set the charging current by connecting a resistor between PROG and VSS.
5. VSS (Pin 5): This is the ground pin of the device.
The MCP73831T-2DCI/OT efficiently manages the charging process with features like preconditioning, constant-current/constant-voltage regulation, and charge termination, making it suitable for compact battery-powered applications.
Manufacturer
Application
1. Portable Electronics: Ideal for charging batteries in devices like smartphones, tablets, and digital cameras.
2. Wearable Devices: Suitable for smartwatches and fitness trackers due to its compact size and efficient charging.
3. IoT Devices: Used in Internet of Things applications where space and power efficiency are crucial.
4. Consumer Electronics: Employed in devices such as Bluetooth headsets and MP3 players.
5. Backup Power Systems: Utilized in battery backup applications to ensure reliable charging.
Its small package and minimal external components make it versatile for compact and efficient battery charging solutions.