LTC1731EMS8-4.1#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LTC1731EMS8-4.1#PBF is a linear battery charger controller for Li-Ion and Li-Polymer cells with 4.1 V regulation voltage, supporting up to 2000 mA charge current in a compact 8-pin MSOP package. Available from stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC1731EMS8-4.1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.5600(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC1731EMS8-4.1#PBF?
- Precise 4.1 V Li-Ion/Li-Polymer charge voltage regulation with ±0.75% accuracy
- Supports up to 2000 mA programmable charge current via external sense resistor
- Compact 8-pin MSOP package with single-chip linear charging architecture and thermal shutdown protection
What is LTC1731EMS8-4.1#PBF used for?
The LTC1731EMS8-4.1#PBF is well suited for portable electronics including smartphones, tablets, and handheld instruments that require reliable single-cell Li-Ion or Li-Polymer battery charging. Its 4.1 V regulation voltage and up to 2000 mA charge current make it ideal for compact consumer devices and industrial handheld equipment where space-efficient, accurate charging is critical.
What are the specifications of LTC1731EMS8-4.1#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 8.5 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 6V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the LTC1731EMS8-4.1#PBF datasheet?
LTC1731EMS8-4.1#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC1731EMS8-4.1#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What charge voltage does the LTC1731EMS8-4.1#PBF regulate to, and how accurate is it?
The LTC1731EMS8-4.1#PBF regulates the Li-Ion/Li-Polymer cell charge voltage to precisely 4.1 V with a tight ±0.75% accuracy, making it suitable for applications demanding consistent battery capacity and longevity across the full 0°C to 85°C operating temperature range.
How is the charge current set on the LTC1731EMS8-4.1#PBF and what is the maximum supported current?
The charge current is programmed via an external sense resistor connected to the PROG pin, allowing flexible settings up to a maximum of 2000 mA. This method provides a simple, resistor-based adjustment without requiring additional digital interfaces, making the design straightforward for engineers targeting compact portable devices.
Which battery chemistries and form factors is the LTC1731EMS8-4.1#PBF compatible with?
The LTC1731EMS8-4.1#PBF supports single-cell Li-Ion and Li-Polymer batteries. Its 4.1 V regulation voltage is specifically calibrated for these chemistries, covering standard 1-cell configurations commonly used in smartphones, wearables, and portable instruments requiring reliable, accurate charging within a compact 8-pin MSOP footprint.
In which PCB footprint and package does the LTC1731EMS8-4.1#PBF ship, and why does that matter for board space?
The device comes in an 8-pin MSOP package measuring approximately 3 mm x 3 mm, one of the smallest surface-mount outlines available for linear battery charger ICs. This compact footprint saves significant PCB real estate in space-constrained designs such as wearables, IoT nodes, and handheld medical instruments requiring 4.1 V Li-Ion charging.
When would an engineer choose LTC1731EMS8-4.1#PBF over the 4.2 V variant LTC1731EMS8-4.2?
The 4.1 V variant is preferred for older or capacity-optimized Li-Ion cell chemistries that specify a 4.1 V end-of-charge voltage rather than the more common 4.2 V, such as certain high-cycle-life cells. Selecting the correct termination voltage extends cycle life and avoids over-voltage stress, typically improving cell longevity by hundreds of charge cycles.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.1200 | $3.12 |
| 1000+ | $2.5600 | $2560.00 |
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