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IC BATT CNTL LI-ION 1CEL SOT23-5
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FabricanteTecnologia Microchip
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Peça do Fabricante #MCP73832T-2DCI/OT
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Ficha Técnica MCP73832T-2DCI/OT DataSheet
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Pacote SOT-23-5
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Especificações
| Atributo | Valor |
| 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 |
Visão Geral
Description
This device operates in a temperature range of -40°C to +85°C and supports a wide input voltage range, making it suitable for various portable and embedded applications. The IC integrates thermal regulation to prevent overheating and includes safety timers for added protection. Its ultra-low quiescent current and small SOT-23 package make it ideal for space-constrained designs.
Overall, the MCP73832T-2DCI/OT provides a simple, cost-effective solution for managing the charging process in battery-powered electronics, ensuring long battery life and reliability.
Equivalent
1. Texas Instruments BQ24040 - Linear charger for single-cell Li-Ion/Li-Pol.
2. Linear Technology (Analog Devices) LTC4054 - Linear Li-Ion battery charger.
3. STMicroelectronics STC4054 - Li-Ion battery linear charger.
4. ON Semiconductor NCP1835 - Linear Li-Ion charger with thermal regulation.
These alternatives offer similar functionality with varying specifications. Always check the datasheets to ensure compatibility with your specific requirements.
Features
1. Voltage Regulation: It offers a precise 4.2V regulation voltage for optimal battery charging.
2. Programmable Charge Current: Users can set the charge current up to 500mA via an external resistor.
3. Charge Status Indicators: The device provides outputs to indicate charging status (charging, charged, fault).
4. Automatic End-of-Charge Control: It automatically terminates the charging process when the battery is fully charged.
5. Thermal Regulation: Integrated thermal regulation prevents overheating during charging.
6. Under-voltage Lockout: Ensures the battery is not over-discharged by cutting off charging below set voltage levels.
7. Low Quiescent Current: Minimizes power consumption when the device is not actively charging.
8. Safety Features: Includes over-temperature protection and overcurrent protection to enhance device and battery safety.
9. Package: Available in a space-saving SOT-23 package, making it suitable for compact applications.
These features make the MCP73832T-2DCI/OT ideal for portable electronics, medical devices, and other battery-powered applications requiring efficient and safe charging solutions.
Pinout
The pin configuration and functions are as follows:
1. VBAT (Pin 1): This is the battery connection pin. It connects directly to the positive terminal of the battery.
2. VDD (Pin 2): This pin is connected to the input voltage source, typically a USB or wall adapter.
3. STAT (Pin 3): This status output pin provides charging status information. It indicates whether charging is in progress, complete, or if there's a fault.
4. PROG (Pin 4): This pin is used to program the charge current by connecting a resistor between this pin and ground.
5. GND (Pin 5): Ground connection for the device.
The MCP73832T-2DCI/OT is valued for its simplicity, low external component count, and small size, making it ideal for portable electronic applications.