MCP73838-NVI/MF Microchip Integrated Circuit (Small Outline No-lead) In Stock
The MCP73838-NVI/MF is a single-cell linear Li-Ion and Li-Polymer battery charger controller from Microchip featuring adjustable charge termination thresholds and charge current. It integrates charge status outputs and thermal regulation in a compact 10-pin DFN package, making it ideal for USB-powered portable devices requiring safe and precise single-cell battery management.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- MCP73838-NVI/MF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9880(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Linear Li-Ion/Li-Polymer single-cell charger controller
- Adjustable charge termination threshold for flexible battery profiles
- Integrated thermal regulation to prevent overheating during charge
- Charge status indicator outputs for user-interface LED control
- Compact 10-pin DFN package (3 mm × 3 mm footprint)
- RoHS-compliant Pb-free construction
Applications
The MCP73838-NVI/MF is used in USB-powered portable consumer electronics, Bluetooth accessories, and wearable devices that need a compact, thermally safe single-cell Li-Ion charger with minimal external components. Its adjustable threshold and integrated charge-status outputs simplify battery management firmware and hardware design for products requiring precise 4.2 V single-cell charge termination and current control.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-10 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| 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) | 3mA |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 4.65V |
| Supply Voltage-Nom (Vsup) | 5.35V |
| 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 | +4.35V |
| 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 | Malaysia, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the MCP73838-NVI/MF's thermal regulation protect the battery and device during USB charging?
The MCP73838-NVI/MF includes on-chip thermal regulation that automatically reduces charge current when the die temperature reaches its thermal limit, typically around 120 °C. This prevents the IC and the single-cell Li-Ion or Li-Polymer battery from overheating during prolonged USB charging at elevated ambient temperatures, eliminating the need for an external temperature sensor in most portable device designs.
What charge termination voltage does the MCP73838-NVI/MF target for a standard 4.2 V single-cell Li-Ion battery, and is it adjustable?
The MCP73838-NVI/MF is designed to terminate charge at 4.2 V for standard single-cell Li-Ion and Li-Polymer cells, and its adjustable threshold feature allows designers to modify the termination voltage using external resistors to accommodate LiFePO4 or other chemistries with different end-of-charge voltages. The 1-channel architecture handles one cell at a time, keeping the design simple and the external component count low.
Why is the 10-pin DFN package of the MCP73838-NVI/MF advantageous in compact wearable and Bluetooth device PCB designs?
The 10-pin DFN package measures approximately 3 mm × 3 mm with an exposed thermal pad, giving the MCP73838-NVI/MF a board footprint roughly 4 times smaller than an equivalent SOIC-8 solution while also improving thermal dissipation. This size advantage directly enables the thin, high-density PCB layouts required in smartwatches, fitness trackers, and true-wireless-stereo earbuds where every square millimeter of board area is contested.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
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
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 |
|---|---|---|
| 1+ | $1.5100 | $1.51 |
| 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.”