MCP73114-1NSI/MF Microchip Integrated Circuit (Small Outline No-lead) In Stock
Microchip MCP73114-1NSI/MF is a single-cell Li-ion/LiPo battery charger IC with 5.8V overvoltage protection and 4.1V regulation voltage in 10-pin DFN package. Supports adjustable charge current up to 500mA with thermal regulation for safe fast charging. Available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- MCP73114-1NSI/MF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9880(MOQ 25)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-cell Li-ion/LiPo charger with 4.1V regulation and 5.8V overvoltage protection for robust battery safety
- Adjustable charge current up to 500mA with integrated thermal regulation for safe and efficient fast charging
- 10-pin DFN-10 compact package with single-channel architecture simplifying PCB integration in portable devices
Applications
The MCP73114-1NSI/MF is designed for portable consumer electronics such as wireless headsets, handheld scanners, and medical wearables requiring reliable single-cell Li-ion charging. Its integrated 5.8V overvoltage protection and thermal fold-back circuitry make it suitable for designs where USB or adapter power sources may vary. The compact DFN-10 package and minimal external component count simplify charging circuit design in space-constrained products.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-10 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Adjustable Threshold | YES |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC10,.12,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Supply Current-Max (Isup) | 1.5mA |
| Supply Voltage-Max (Vsup) | 6.5V |
| Supply Voltage-Min (Vsup) | 4.2V |
| Supply Voltage-Nom (Vsup) | 5.2V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +4.2V |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the charge regulation voltage and overvoltage protection threshold of the MCP73114-1NSI/MF?
The MCP73114-1NSI/MF charges single-cell Li-ion batteries to a regulation voltage of 4.1V and includes an overvoltage protection threshold of 5.8V on the input, preventing damage from excessive adapter voltages during charging cycles.
How does the thermal regulation feature in MCP73114-1NSI/MF protect the battery and IC during fast charging?
The MCP73114-1NSI/MF uses integrated thermal regulation to automatically reduce charge current when the die temperature exceeds a safe threshold, typically around 120°C. This prevents thermal runaway in the battery and protects the IC without requiring external thermal monitoring components.
For a compact wireless earbud design, how suitable is the MCP73114-1NSI/MF in the DFN-10 package?
The MCP73114-1NSI/MF in DFN-10 is well suited for compact wireless earbud PCBs. The DFN-10 package measures approximately 3mm x 3mm, enabling tight board layouts. Combined with adjustable charge current up to 500mA and minimal external passives, it reduces total charger circuit footprint significantly.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $1.2300 | $30.75 |
| 100+ | $1.1400 | $114.00 |
| 1000+ | $1.1100 | $1110.00 |
| 1080+ | $1.1000 | $1188.00 |
| 5040+ | $0.9970 | $5024.88 |
| 7560+ | $0.9880 | $7469.28 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”