LTC4013EUFD Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The LTC4013EUFD is a 60V synchronous buck multi-chemistry battery charger IC by Analog Devices. It supports Li-Ion, LiFePO4, and lead-acid batteries with programmable charge voltage up to 60V and charge current up to 10A. Available in a compact UFD package with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 29
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 60V input voltage rating supports high-voltage battery systems including 12V to 48V lead-acid and multi-cell Li-Ion packs
- Synchronous buck topology delivers up to 10A charge current with high efficiency exceeding 95%
- Multi-chemistry support: configurable for Li-Ion, LiFePO4, and lead-acid chemistries via external resistors
- Programmable charge voltage and current with ±0.5% voltage regulation accuracy
Applications
The LTC4013EUFD is ideal for industrial and automotive battery charging applications requiring wide input voltage range up to 60V. It suits solar-powered charging stations, 24V to 48V telecom backup systems, and electric vehicle auxiliary chargers. Its multi-chemistry support makes it versatile for designs that must accommodate Li-Ion, LiFePO4, or lead-acid battery packs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LTC4013EUFD support, and which battery chemistries can it charge?
The LTC4013EUFD operates from input voltages up to 60V, making it suitable for 12V, 24V, and 48V battery systems. It supports Li-Ion, LiFePO4, and lead-acid chemistries, with programmable charge voltage set by external resistors and charge current up to 10A per cell stack.
How does the synchronous buck topology in the LTC4013EUFD improve efficiency compared to linear chargers?
By using a synchronous buck converter with integrated MOSFETs, the LTC4013EUFD achieves efficiency exceeding 95% at typical operating points, compared to 60–80% for linear regulators. This reduces heat dissipation, allowing a smaller PCB footprint and eliminating the need for large heatsinks in a 60V, 10A charger design.
For a 48V telecom backup system, can the LTC4013EUFD replace a discrete charger circuit?
Yes. The LTC4013EUFD integrates the power stage, voltage regulation, and multi-chemistry control into a single IC operating up to 60V, replacing multiple discrete components. Its ±0.5% charge voltage accuracy and 10A current capability make it a direct fit for 48V lead-acid or LiFePO4 backup chargers with fewer than 8 external passives.
What package does the LTC4013EUFD use, and what thermal advantages does it offer?
The LTC4013EUFD is housed in a 38-pin 5mm × 7mm UFD (QFN-style) package with an exposed pad that provides a thermal resistance of approximately 20°C/W junction-to-board, enabling 10A operation without external heatsinks on a 2-layer PCB under standard 25°C ambient conditions.
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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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