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| Part Number | LTC3550EDHC#PBF | LTC3552EDHC#PBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | 
| Battery Chemistry | Lithium Ion | Lithium Ion | 
| Number of Cells | 1 | 1 | 
| Current - Charging | Constant - Programmable | Constant - Programmable | 
| Programmable Features | Current | Current | 
| Fault Protection | Over Voltage | - | 
| Charge Current - Max | 950mA | 950mA | 
| Battery Pack Voltage | 4.2V | 4.2V | 
| Voltage - Supply (Max) | 8V | 8V | 
| Interface | USB | - | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-WFDFN Exposed Pad | 16-WFDFN Exposed Pad | 
| Supplier Device Package | 16-DFN (5x3) | 16-DFN (5x3) |