LTC4162IUFD-FSTM#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC4162IUFD-FSTM#PBF is a multi-cell LiFePO4 step-down battery charger IC supporting up to 35 V input and 3.2 A charge current. It integrates an adjustable threshold and single-channel linear charging in a compact 28-pin QFN package. Available worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- LTC4162IUFD-FSTM#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.8600(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Multi-cell LiFePO4 chemistry support with step-down topology enabling efficient charging up to 3.2 A
- Wide input voltage range up to 35 V accommodating solar panels and high-voltage adapters
- Adjustable charge threshold for flexible cell stack configuration and end-of-charge voltage tuning
- 28-pin QFN package with exposed pad for low-profile, thermally efficient PCB integration
Applications
The LTC4162IUFD-FSTM#PBF is ideal for multi-cell LiFePO4 battery packs used in portable medical instruments, industrial data loggers, and off-grid energy storage systems. Its high input voltage tolerance up to 35 V allows direct charging from solar panels or automotive power rails. The adjustable threshold feature gives engineers precise control over charge termination, protecting battery packs in demanding field environments.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1866 |
| Date Of Intro | 2018-05-30 |
| YTEOL | 10 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | R-PQCC-N28 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 35V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 18V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum input voltage and charge current for the LTC4162IUFD-FSTM#PBF?
The LTC4162IUFD-FSTM#PBF accepts input voltages up to 35 V and delivers a maximum charge current of 3.2 A. This combination supports multi-cell LiFePO4 stacks charged from solar panels, 24 V industrial adapters, or automotive power buses while maintaining controlled current to protect cell chemistry.
Which battery chemistry is the LTC4162IUFD-FSTM#PBF optimized for, and how does that influence the design?
The LTC4162IUFD-FSTM#PBF is specifically optimized for LiFePO4 (lithium iron phosphate) multi-cell battery packs. LiFePO4 cells have a nominal voltage of about 3.2 V per cell and a flat discharge curve, so the IC's adjustable charge threshold allows precise per-stack voltage targeting across 1 to several series cells.
What package does the LTC4162IUFD-FSTM#PBF use, and how does it handle heat dissipation?
The LTC4162IUFD-FSTM#PBF is housed in a 28-pin QFN (Quad Flat No-Lead) package with an exposed thermal pad. The exposed pad conducts heat directly to the PCB copper plane, enabling efficient thermal management at the 3.2 A maximum charge current without requiring an external heatsink in typical designs.
In which real-world systems is the LTC4162IUFD-FSTM#PBF most often deployed?
This charger IC is commonly deployed in solar-powered IoT nodes, portable medical monitors, industrial field instruments, and battery backup modules where LiFePO4 cells are preferred for their safety and long cycle life exceeding 2000 cycles. Its 35 V input range also suits 24 V nominal panel or bus systems.
How does the adjustable threshold feature on the LTC4162IUFD-FSTM#PBF benefit battery management system designs?
The adjustable charge threshold lets designers set the end-of-charge voltage via external resistors, allowing the same IC to handle different LiFePO4 cell stack configurations from 1 cell at 3.65 V to multi-cell packs at higher voltages. This flexibility reduces component variants and simplifies BOM management across multiple product SKUs.
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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+ | $9.3800 | $9.38 |
| 10+ | $6.3400 | $63.40 |
| 19+ | $5.1200 | $97.28 |
| 1000+ | $3.8600 | $3860.00 |
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