LTC4162EUFD-FFS#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC4162EUFD-FFS#PBF is a 35 V / 3.2 A multi-cell LiFePO4 step-down battery charger IC from Analog Devices with integrated PowerPath management and I2C telemetry in a 28-pin QFN package. It suits industrial battery backup, portable equipment, and energy storage applications requiring smart, monitored charging with system load sharing.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- LTC4162EUFD-FFS#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.4600(MOQ 1)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC4162EUFD-FFS#PBF?
- 35 V input, 3.2 A maximum charge current supporting multi-cell LiFePO4 battery stacks
- Integrated PowerPath control enabling seamless priority switching between input power and battery
- I2C telemetry interface reporting charge current, voltage, temperature, and charge state in real time
- Adjustable charge threshold parameters configurable over I2C for flexible battery management
- 28-pin QFN package with thermal pad for efficient power dissipation in compact charger designs
- Step-down (buck) charging topology achieving high efficiency across wide input-to-battery voltage ratios
What is LTC4162EUFD-FFS#PBF used for?
The LTC4162EUFD-FFS#PBF is ideal for industrial battery backup systems, ruggedized portable instruments, and energy storage modules that use multi-cell LiFePO4 packs requiring intelligent charging and real-time monitoring. Its PowerPath architecture allows the system load to draw from the input supply while simultaneously charging the battery, preventing downtime during charge cycles in always-on equipment. The I2C telemetry interface integrates directly with a host microcontroller for state-of-charge reporting, fault logging, and adaptive charge current management in smart battery systems.
What are the specifications of LTC4162EUFD-FFS#PBF?
| 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 | OTHER |
| 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 LTC4162EUFD-FFS#PBF datasheet?
LTC4162EUFD-FFS#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4162EUFD-FFS#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum charge current and input voltage does the LTC4162EUFD-FFS#PBF support for multi-cell LiFePO4 packs?
The LTC4162EUFD-FFS#PBF supports a maximum charge current of 3.2 A from an input supply up to 35 V, enabling it to charge multi-cell LiFePO4 battery stacks with varying voltage requirements. The wide 35 V input range accommodates solar panels, industrial DC buses, and unregulated power adapters common in field-deployed energy storage and backup power applications.
How does the PowerPath feature in the LTC4162EUFD-FFS#PBF prevent system downtime during battery charging in portable equipment?
The PowerPath control in the LTC4162EUFD-FFS#PBF routes input power to the system load with priority, using the battery only when the input source is absent or insufficient. During normal operation with input connected, the system runs entirely from the input rail while the charger simultaneously charges the battery at up to 3.2 A. This eliminates the brownout or restart that would occur if all input current suddenly switched to battery charging in equipment that cannot tolerate power interruption.
Which telemetry parameters can a host microcontroller read over I2C from the LTC4162EUFD-FFS#PBF, and at what update rate?
Over the I2C interface, the LTC4162EUFD-FFS#PBF reports charge current, input voltage, battery voltage, die temperature, and charge state registers in real time, enabling the host microcontroller to implement dynamic charge algorithms and state-of-charge estimation. The I2C bus operates at standard 100 kHz or fast 400 kHz speeds, and register reads complete in under 100 µs, supporting polling intervals as fast as 10 ms for tight battery management control loops.
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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+ | $8.6400 | $8.64 |
| 10+ | $5.8150 | $58.15 |
| 250+ | $5.6300 | $1407.50 |
| 292+ | $4.9800 | $1454.16 |
| 511+ | $4.9300 | $2519.23 |
| 1000+ | $3.4600 | $3460.00 |
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