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Microchip Battery Charge Controller IC , 3.75 V to 6 V Input, 4.53 V Output, 15 mA, SOT-23 5-Pin MCP73831T-2ACI/OT
Specifications
| Country of Origin | Thailand |
|---|---|
| Brand | Microchip |
| Height | 1.3mm |
| Length | 3.1mm |
| Model | MCP73831T-2ACI/OT |
| Mount Type | Surface |
| Series | MCP73831 |
| Output Current | 15mA |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-23 |
| Sub Type | Battery Charge Controller IC |
| Minimum Operating Temperature | -40°C |
| Interfaces | USB chargers |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 738-6360Brand: MicrochipManufacturers Part No.: MCP73831T-2ACI/OTDistrelec Article No.: 304-45-503 |
| Pin Count | 5 |
| Maximum Supply Voltage | 6V |
| Minimum Supply Voltage | 3.75V |
Key Features
- The device features a small SOT-23 package and is cost effective.
- High accuracy pre-set voltage regulation with ±0.75% tolerance ensures precise charging.
- Programmable charge current range up to 500mA for flexible battery charging.
- Integrated thermal regulation enhances reliability during operation.
- Includes integrated pass transistor, current sensing, and reverse discharge protection.
- Compatible with single cell Li-Ion and Li-Polymer batteries.
- Charge status output can drive LEDs for easy monitoring.
- Wide operating temperature range from -40°C to 85°C suitable for various environments.
Product Description
Microchip MCP73831T-2ACI/OT is a battery charge controller IC specifically designed for efficient single cell Li-Ion and Li-Polymer battery charging. Operating with an input voltage range of 3.75 V to 6 V and delivering an output voltage of 4.53 V with a charge current of 15 mA, this compact device is ideal for space-constrained and cost-sensitive applications. It utilizes a constant current charge algorithm with selectable preconditioning and charge termination stages.
The device is integrated in a 5-pin SOT-23 surface mount package that includes an internal pass transistor, current sensing, and reverse discharge protection, ensuring safety and reliability. High precision voltage regulation with ±0.75% accuracy and multiple regulation options (4.2V, 4.35V, 4.4V, 4.5V) allows compatibility with various battery chemistries and charge profiles.
Additional features include programmable charge current up to 500 mA, chip integrated thermal regulation, and charge status output to LEDs, providing both safety and user feedback functionality. The MCP73831T-2ACI/OT operates over a broad temperature range from -40°C to 85°C, making it suitable for industrial, consumer electronics, and communication device applications.
This IC is widely used in applications such as Bluetooth headsets, digital cameras, personal data assistants, cellular phones, MP3 players, and USB chargers. The design supports manufacturability in environments requiring cost effectiveness and high reliability.
The device features a small SOT-23 package and is cost effective. High accuracy pre-set voltage regulation with ±0.75% tolerance ensures precise charging. Offers four voltage regulation options: 4.2V, 4.35V, 4.4V, and 4.5V.
Programmable charge current range up to 500mA for flexible battery charging. Integrated thermal regulation enhances reliability during operation. Includes integrated pass transistor, current sensing, and reverse discharge protection.
Compatible with single cell Li-Ion and Li-Polymer batteries. Charge status output can drive LEDs for easy monitoring. Wide operating temperature range from -40°C to 85°C suitable for various environments. Typical applications include Bluetooth headsets, digital cameras, cell phones, MP3 players, and USB chargers.
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Frequently Asked Questions
The input voltage range for this model is from 3.75 V to 6 V.
It delivers an output voltage of 4.53 V.
The programmable charge current can be set up to 500 mA.
The dimensions of this model are 3.1 mm in length and 1.3 mm in height.
It is compatible with single cell Li-Ion and Li-Polymer batteries.
The operating temperature range is from -40°C to 85°C.
This model comes in a SOT-23 surface mount package.
Yes, it includes integrated reverse discharge protection.
It features a high accuracy pre-set voltage regulation with a tolerance of ±0.75%.
Typical applications include Bluetooth headsets, digital cameras, cellular phones, MP3 players, and USB chargers.
It has integrated thermal regulation, which enhances reliability during operation.
The charge status output can drive LEDs for easy monitoring of the charging process.
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