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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-2ACI/OT
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Ficha Técnica MCP73832T-2ACI/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
Key features include programmable charge current, preconditioning for deeply discharged cells, and automatic end-of-charge termination. It operates with a wide input voltage range and includes thermal regulation to prevent overheating. The MCP73832T-2ACI/OT also incorporates safety features such as over-temperature and short-circuit protection, enhancing reliability.
This IC is often used in portable electronic devices, such as smartphones, wearables, and IoT applications, where efficient and safe battery management is essential. Its simplicity and compact size make it an ideal choice for designers looking to integrate battery charging capabilities into their products without the complexity of more advanced charging solutions.
Equivalent
Features
1. Input Voltage Range: Operates from a 3.75V to 6V input voltage, making it compatible with a variety of power sources.
2. Charge Termination: Utilizes constant-current, constant-voltage (CC, CV) charging profile with automatic charge termination.
3. Preset Voltage: The charge voltage is preset to 4.2V, suitable for standard lithium-ion and lithium-polymer cells.
4. Charge Current: Programmable charge current up to 500mA, allowing flexibility based on application requirements.
5. Thermal Regulation: Includes thermal regulation to maximize the charge rate without overheating.
6. Battery Temperature Monitoring: Supports battery temperature monitoring for enhanced safety.
7. Low Dropout: Features a low dropout voltage, which improves efficiency and reduces power dissipation.
8. Status Indicator: Provides a charge status output for easy monitoring.
9. Package: Comes in a compact SOT-23-5 package, suitable for space-constrained applications.
These features make the MCP73832T-2ACI/OT an ideal choice for portable, battery-powered applications.
Pinout
The device comes in a SOT-23-5 package, meaning it has 5 pins. Here's a brief overview of the pin functions:
1. VDD (Pin 1): Connects to the input voltage source and supplies power to the device.
2. STAT (Pin 2): Status output pin that indicates the charging status. It typically drives an LED or interfaces with a microcontroller.
3. VSS (Pin 3): Ground reference pin.
4. VBAT (Pin 4): Connects to the battery to provide charging current and monitor the battery voltage.
5. PROG (Pin 5): Used to program the charge current. This pin is connected to a resistor to set the desired charging current.
The MCP73832T-2ACI/OT is widely used in portable devices due to its simplicity and efficiency in managing single-cell lithium battery charging.
Manufacturer
Application
1. Consumer Electronics: Such as smartphones, tablets, and cameras.
2. Wearable Devices: Including smartwatches and fitness trackers.
3. IoT Devices: For low-power, battery-operated sensors and modules.
4. Power Banks: For managing charging operations efficiently.
5. Medical Devices: Especially in portable diagnostic tools.
Its compact size and efficient power management make it suitable for any compact, battery-powered device.