Analog Devices Inc. LTC4155IUFD#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.93 | $9.93 |
| 15+ | $9.61 | $144.15 |
| 25+ | $9.41 | $235.25 |
| 50+ | $8.88 | $444.00 |
| 100+ | $7.84 | $784.00 |
| N+ | $1.57 | 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 LTC4155IUFD#PBF is a versatile single-cell Lithium Ion/Polymer battery charger with a USB and I2C interface. It supports charge currents up to 3.7A and a target battery voltage of 4.2V. Housed in a 28-WFQFN package, this IC operates over a junction temperature range of -40°C to 125°C and includes Over Voltage protection. It is engineered for portable electronics requiring fast, digitally controlled charging.
- Fast Charging: Delivers up to 3.7A charge current for rapid replenishment of single-cell Li-Po batteries.
- Digital Control: I2C and USB interfaces enable precise charge parameter adjustment and system monitoring.
- Extended Temperature Range: Operates from -40°C to 125°C (TJ), suitable for demanding environments.
- Robust Protection: Over Voltage protection safeguards the battery and system from supply anomalies.
High-End Smartphones and Tablets
The LTC4155IUFD#PBF's 3.7A charge current and USB/I2C interface make it ideal for fast-charging single-cell Li-Ion/Polymer batteries in premium mobile devices.
Portable Power Banks
With USB input and I2C programmability, this charger enables efficient 4.2V battery management in high-capacity power banks, supporting rapid recharge cycles.
Handheld GPS and Navigation Devices
Its wide -40°C to 125°C junction temperature range allows reliable charging in automotive-grade handheld GPS units exposed to extreme conditions.
Industrial Data Collectors
The I2C interface allows precise charge monitoring in rugged field data terminals, while Over Voltage protection ensures safe operation with 4.2V single-cell packs.
Wearable Health Monitors
For compact wearables with USB charging, this IC provides a high-current path and digital control, enabling smart charging profiles for 4.2V Li-Po cells.
- Q: What battery chemistry is supported by the LTC4155IUFD#PBF?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can this charger manage?
- A: It is designed for a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 3.7A.
- Q: What is the battery pack voltage?
- A: The battery pack voltage is 4.2V.
- Q: What interface does it use?
- A: It features an I2C and USB interface for control and monitoring.
- Q: What fault protection is included?
- A: It includes Over Voltage protection.
LTC4155IUFD#PBF.pdf
- Q: What battery chemistry is supported by the LTC4155IUFD#PBF?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can this charger manage?
- A: It is designed for a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 3.7A.
- Q: What is the battery pack voltage?
- A: The battery pack voltage is 4.2V.
- Q: What interface does it use?
- A: It features an I2C and USB interface for control and monitoring.
- Q: What fault protection is included?
- A: It includes Over Voltage protection.
