ChipApex | Global Electronic Components Supplier
MCP73838-FCI/MF
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC BATT CHG LI-ION 1CELL 10DFN
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Battery Chemistry：Lithium Ion/Polymer
- Voltage - Supply (Max)：6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Number of Cells：1
- Current - Charging：Constant - Programmable
- Programmable Features：-
- Fault Protection：Over Voltage
- Charge Current - Max：1.1A
- Battery Pack Voltage：4.2V
- Interface：USB
- Grade：-
- Qualification：-
Download product information
Overview
The MCP73838-FCI/MF is a fully integrated linear Li-ion/Li-polymer battery charger featuring autonomous power source selection between USB ports and AC adapters. It supports input voltages from 3.75V to 6V, delivering up to 1A charge current with an external resistor or selectable USB limits of 100mA/500mA. The device employs a constant current/constant voltage algorithm with ±0.5% high-accuracy preset voltage regulation at 4.2V. Key internal features include integrated pass transistors, current sensing, reverse discharge protection, and battery cell temperature monitoring for enhanced safety.
Feature Summary
- Autonomous selection between USB-port and AC-adapter power sources
- Integrated pass transistor and current sense circuitry
- Built-in reverse discharge protection mechanism
- Battery cell temperature monitoring capability
Applications
- Portable electronic devices requiring compact charging solutions
- USB-powered systems adhering to USB specification current limits
- AC adapter powered portable equipment
- Single-cell lithium-ion or lithium-polymer battery management
Procurement Notes
Verify the specific suffix 'MF' against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the intended PCB footprint, as the 'MF' designation typically corresponds to a DFN-10 package. Cross-reference the component marking code with Microchip documentation to authenticate the part before integration into production designs.
Selection Notes
Select this component when designing systems requiring automatic switching between USB and AC power inputs without external logic. It is suitable for applications needing integrated reverse discharge protection and thermal monitoring. Consider the DFN-10 package constraints for board space. Verify that the required charge current settings align with the available programming options via external resistors or USB port detection.
Part Context
This part belongs to the MCP73838 family of advanced standalone Li-Ion/Li-Polymer charge management controllers. It shares core functionality with variants like MCP73838-NVI/MF but differs in packaging and reel configuration. The family is designed for small physical size and minimal external components, targeting portable applications where space and efficiency are critical design parameters.
Replacement Considerations
MCP73838-NVI/MF
FAQ
How does the MCP73838-FCI/MF handle power source selection?
It autonomously selects between USB-port and AC-adapter power sources, adjusting charge currents to comply with USB specifications when powered by a host.
What safety features are included in this charger?
The device includes integrated reverse discharge protection, battery cell temperature monitoring, selectable safety timer periods, and automatic end-of-charge control.
