LTC4162IUFD-L42#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC4162IUFD-L42#PBF is a 35 V, 3.2 A multi-cell lithium-ion step-down battery charger with integrated PowerPath management and I2C telemetry, in a 28-pin QFN package, designed for industrial and portable equipment requiring smart battery charging with real-time monitoring.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- LTC4162IUFD-L42#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
What are the key features of LTC4162IUFD-L42#PBF?
- 35 V input rating supporting wide input voltage from solar panels or DC adapters
- Up to 3.2 A charge current for fast charging of multi-cell Li-Ion packs
- Integrated PowerPath allows simultaneous system load and battery charging
- I2C telemetry interface reporting voltage, current, temperature, and charge state
- Step-down (buck) topology for high charging efficiency reducing heat dissipation
- 28-pin QFN package in a compact footprint for space-constrained portable designs
What is LTC4162IUFD-L42#PBF used for?
The LTC4162IUFD-L42#PBF is designed for industrial handheld instruments, portable test equipment, and embedded computing platforms requiring multi-cell Li-Ion charging from high-voltage sources such as 24 V DC rails or solar panels up to 35 V. Its I2C telemetry enables the host processor to read real-time cell voltage, charge current, and die temperature, supporting intelligent charging algorithms and battery state-of-health monitoring without additional measurement ICs.
What are the specifications of LTC4162IUFD-L42#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1866 |
| YTEOL | 10 |
| Adjustable Threshold | NO |
| 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 Current-Max (Isup) | 0.2mA |
| 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 |
Where can I find the LTC4162IUFD-L42#PBF datasheet?
LTC4162IUFD-L42#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4162IUFD-L42#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the PowerPath feature of LTC4162IUFD-L42#PBF benefit systems that must remain operational during battery charging?
The integrated PowerPath controller in LTC4162 routes input power directly to the system load at up to 3.2 A while simultaneously directing surplus current to charge the battery. When input power is insufficient to serve both the load and the charge current, the IC automatically reduces charge rate to prioritize the system, ensuring the connected device stays powered without interruption even on a weak 1 A USB or solar input source.
What data does the I2C telemetry interface of LTC4162IUFD-L42#PBF provide, and at what accuracy?
The LTC4162's I2C interface exposes real-time measurements including input voltage, battery voltage (accurate to approximately ±6.25 mV LSB), charge current (1 mA/LSB resolution), die temperature, and charge status registers. This data allows the host microcontroller to implement advanced algorithms such as temperature-derated charging below 0°C or above 45°C, cycle counting, and state-of-charge estimation without any external measurement circuitry.
For a 2-cell Li-Ion pack design running from a 24 V industrial rail, what efficiency benefit does the step-down topology of LTC4162IUFD-L42#PBF provide over a linear charger?
A linear charger dropping 24 V to an 8.4 V (2-cell) battery at 3.2 A dissipates roughly (24−8.4) × 3.2 = 50 W as heat, requiring large heatsinks. The LTC4162's buck topology achieves typical efficiencies of 90–94%, dissipating only 3–5 W under the same conditions. This 10× reduction in power loss allows the 28-pin QFN to operate without a heatsink in most applications, dramatically simplifying thermal design.
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Why Buy from FindMyChip
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 |
| 1000+ | $3.8600 | $3860.00 |
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