Analog Devices Inc. LTC4155EUFD#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.41 | $7.41 |
| 15+ | $7.18 | $107.70 |
| 25+ | $7.02 | $175.50 |
| 50+ | $6.63 | $331.50 |
| 100+ | $5.85 | $585.00 |
| N+ | $1.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | PowerPath™ |
| Packaging | Tube | |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | - |
| Fault Protection | Over Voltage |
| Charge Current - Max | 3.7A |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 5.5V |
| Interface | I2C, USB |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x5) |
| ROHS |
The LTC4155EUFD is a high-current, single-cell battery charger from Analog Devices, tailored for Lithium Ion/Polymer batteries. It supports a maximum charge current of 3.7A for a 4.2V battery. This charger integrates both I2C and USB interfaces for versatile power management and includes Over Voltage protection. Housed in a 28-WFQFN package, it is designed for high-performance portable applications and can withstand junction temperatures up to 125°C.
- Ultra-Fast Charging: The 3.7A maximum charge current enables rapid charging of large batteries, minimizing device downtime.
- Dual Interface Flexibility: The combination of USB and I2C interfaces allows for seamless integration into systems that charge from or communicate over USB.
- High-Temperature Operation: Rated for junction temperatures up to 125°C, it is suitable for high-power applications where heat dissipation is a concern.
- Robust Protection: Over Voltage protection safeguards the battery and downstream circuitry from potentially damaging voltage spikes.
High-Performance Tablets
The high 3.7A charge current significantly reduces charging time for large-capacity single-cell Li-Polymer batteries in tablets and large-format portable devices.
USB-Powered Peripherals
With a USB interface, this charger is perfect for devices that need to draw power and charge from a USB port while communicating with the host system via I2C.
Portable Power Banks
For fast recharging of the internal battery in power banks, the LTC4155EUFD's high current capability is a key advantage, enabling quicker turnaround times.
Handheld Gaming Consoles
Gaming devices demand high power and fast charging. This IC can handle the high currents required to charge large batteries quickly and safely.
Industrial Handhelds
Ruggedized PDAs and scanners used in logistics benefit from the high-temperature rating (up to 125°C junction) and fast charging in demanding work environments.
- Q: What battery chemistry does the LTC4155EUFD support?
- A: It is designed for Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It supports a single-cell (1) configuration.
- Q: What is the maximum charge current?
- A: The maximum charge current is 3.7A.
- Q: What is the battery voltage?
- A: The battery voltage is 4.2V.
- Q: What fault protection is included?
- A: It includes Over Voltage protection.
- Q: What control interfaces are available?
- A: It features I2C and USB interfaces.
- Q: What battery chemistry does the LTC4155EUFD support?
- A: It is designed for Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It supports a single-cell (1) configuration.
- Q: What is the maximum charge current?
- A: The maximum charge current is 3.7A.
- Q: What is the battery voltage?
- A: The battery voltage is 4.2V.
- Q: What fault protection is included?
- A: It includes Over Voltage protection.
- Q: What control interfaces are available?
- A: It features I2C and USB interfaces.

LTC4155EUFD#PBF.pdf