LTC4162IUFD-LADM#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC4162IUFD-LADM#PBF is a multi-cell lithium-ion step-down battery charger supporting up to 35V input and 3.2A charge current. It integrates PowerPath management and I2C telemetry for real-time monitoring. Housed in a 28-pin QFN package for compact power management designs.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- LTC4162IUFD-LADM#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
- 35 V input tolerance with 3.2 A maximum charge current for multi-cell Li-Ion battery stacks
- Integrated PowerPath control automatically switches between wall and battery power with zero hold-up time
- I2C telemetry interface reports voltage, current, and temperature in real time for system-level monitoring
Applications
The LTC4162IUFD-LADM#PBF targets portable industrial instruments, medical devices, and rugged handheld computers that require reliable multi-cell lithium-ion charging with live system telemetry. Its PowerPath architecture ensures uninterrupted operation during charge cycles, making it ideal for always-on designs. The wide 35 V input range also accommodates solar panel and high-voltage DC adapters in off-grid IoT nodes.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1866 |
| 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 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage and charge current does the LTC4162IUFD-LADM#PBF support for multi-cell Li-Ion packs?
The LTC4162IUFD-LADM#PBF handles input voltages up to 35 V and delivers a programmable charge current up to 3.2 A, making it suitable for 2-cell to 4-cell lithium-ion battery stacks used in portable industrial instruments and rugged handheld devices.
How does the integrated PowerPath feature benefit designs that must remain operational while charging?
PowerPath allows the system load to draw current directly from the input adapter while simultaneously charging the battery, providing zero hold-up time transitions. This ensures uninterrupted operation in medical monitors and data-logging equipment even when the battery is deeply discharged below 2.5 V per cell.
What real-time parameters can engineers read through the I2C telemetry interface?
Via I2C, the LTC4162IUFD-LADM#PBF reports input voltage, charge current, battery voltage, die temperature, and charge state registers. Engineers can use these 16-bit telemetry readings at up to 400 kHz I2C speed to implement fuel gauging, fault logging, and dynamic charge adjustment in firmware.
Which package does the LTC4162IUFD-LADM#PBF use, and how does it affect PCB layout for thermal management?
The device comes in a 28-pin QFN package with an exposed thermal pad, enabling efficient heat dissipation at full 3.2 A charge current. The compact footprint of approximately 4 mm x 5 mm allows tight integration alongside battery connectors and power inductors on space-constrained PCBs.
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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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