Overview
MCP73833T-FCI/MF is an integrated lithium-ion/lithium polymer battery charge management IC launched by Microchip, which supports single-cell battery charging and provides efficient and safe charging control. The device has a programmable charging current of up to 1A, built-in thermal regulation and multiple protection functions, and is suitable for applications such as portable electronic devices, wireless sensors, and medical equipment. MCP73833T-FCI/MF uses a small DFN-10 package, which takes up little PCB space and is an ideal choice for optimizing battery management systems.
Specifications
parameter | Numeric |
Input voltage range | 3.75V to 6V |
Charging Current | Programmable, up to 1A |
Charging Mode | Pre-charge, constant current, constant voltage, trickle current |
Terminal charging voltage | 4.2V (Li-Ion) |
Charging efficiency | Up to 90% |
Protection function | Over temperature protection, short circuit protection, over current protection |
Package Type | 10-pin DFN |
Operating temperature range | -40°C to +85°C |
MCP73833T-FCI/MF Highlights
The integrated battery charge management
adopts a fully integrated design including current regulation, voltage control and protection functions, eliminating the need for additional external components and simplifying the battery charging circuit design.
The multi-stage charging mode
supports pre-charging, constant current charging, constant voltage charging and trickle charging , ensuring safe and efficient charging of the battery and extending the battery life.
The programmable charging current up to 1A
can be adjusted through an external resistor to adapt to battery applications of different capacities, support fast charging mode, and improve charging efficiency.
Efficient charging management
The charging efficiency is up to 90%, which reduces power loss, reduces system heat, and improves the battery life of portable devices.
Multiple safety protections
integrate over-temperature protection, short-circuit protection, over-current protection and other functions to ensure the safety and stability of battery charging in harsh environments.
Compact Package Design
The DFN-10 small package occupies little PCB space and is suitable for portable device designs with strict size requirements.
Application Areas
Due to its high efficiency, high integration and strong safety, MCP73833T-FCI/MF is widely used in the following fields:
Portable electronic devices
use it as a lithium battery management solution in smartphones, Bluetooth headsets, smart watches and other devices, providing efficient and safe charging functions.
Wireless sensors
are suitable for Internet of Things (IoT) devices and remote wireless sensors, ensuring long-term stable power supply and extending battery life.
Medical electronics
are used in portable medical devices such as blood glucose meters, heart rate monitors, etc. to ensure reliable charging and battery management of the devices.
Wearable devices
provide efficient battery charging management in small devices such as smart bracelets and VR glasses, optimizing charging time and energy consumption.
Industrial control
is suitable for charging systems of portable industrial equipment, ensuring that the equipment can be charged safely in extreme environments.
Comparative Analysis: MCP73833T-FCI/MF vs. Other Battery Charging ICs
Features/Specifications | MCP73833T-FCI/MF | Other charging ICs on the market |
Input voltage range | 3.75V to 6V | 4V to 6V |
Maximum charging current | 1A | 500mA to 1A |
Charging Mode | Precharge, constant current, constant pressure, trickle flow | Constant current, constant voltage |
Protection function | Over temperature, short circuit, over current protection | Partial support |
Charging efficiency | Up to 90% | 80% to 90% |
Package | 10-pin DFN | SOT-23, QFN |
The MCP73833T-FCI/MF has obvious advantages in charging mode, charging current range, charging efficiency and safety, and is particularly suitable for applications that require fast charging and high safety.
Manufacturer: Microchip Technology
Microchip Technology is a leading global provider of microcontrollers, analog and power management solutions, committed to providing customers with efficient and stable battery management solutions. MCP73833T-FCI/MF is Microchip’s highly integrated lithium battery charging management IC, which is widely used in portable devices, Internet of Things, medical and industrial fields.
Why choose MCP73833T-FCI/MF?
The MCP73833T-FCI/MF is an ideal charging management solution for portable devices and battery-powered systems with its high performance, flexible charging mode and high safety. Its compact package and high integration design simplify circuit design and reduce overall power consumption, making it the preferred product for applications that require efficient charging management.
FAQ
Q 1 : Does MCP73833T-FCI/MF support multiple charging current configurations?
A: Yes, the IC allows users to set the charging current through external resistors and supports up to 1A charging current configuration, which is suitable for different types of lithium-ion battery applications. In addition, the IC also supports dynamic adjustment of charging current to adapt to different load requirements and improve charging flexibility.
Q 2 : Does the charging IC require additional heat dissipation?
A: Since MCP73833T-FCI/MF has thermal regulation function, no additional heat dissipation is required under normal load, but the heat dissipation effect can be improved by optimizing the PCB layout in high-power applications. In addition, in high-temperature environments, thermal management performance can be improved by adding heat dissipation copper or heat dissipation holes.
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