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| Part Number | LTC4156EUFD#PBF | LTC4156IUFD#PBF | LTC4155EUFD#PBF |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active |
| Battery Chemistry | Lithium Iron Phosphate | Lithium Iron Phosphate | Lithium Ion/Polymer |
| Number of Cells | 1 | 1 | 1 |
| Current - Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable |
| Programmable Features | - | - | - |
| Fault Protection | Over Voltage | Over Voltage | Over Voltage |
| Charge Current - Max | 3.7A | 3.7A | 3.7A |
| Battery Pack Voltage | 3.8V | 3.8V | 4.2V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V |
| Interface | I²C, USB | I²C, USB | I²C, USB |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x5) | 28-QFN (4x5) | 28-QFN (4x5) |
