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| Part Number | LT8490IUKJ#PBF | LT8491IUKJ#PBF | LT8490EUKJ#PBF | 
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | 
| Battery Chemistry | Multi-Chemistry | Lead Acid | Multi-Chemistry | 
| Number of Cells | - | 1 | - | 
| Current - Charging | Constant | Constant | Constant | 
| Programmable Features | - | Current, Voltage | - | 
| Fault Protection | - | Over Temperature, Over Voltage | - | 
| Charge Current - Max | - | - | - | 
| Battery Pack Voltage | - | 1.3V ~ 80V | - | 
| Voltage - Supply (Max) | 80V | 80V | 80V | 
| Interface | - | I²C | - | 
| 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 | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 
| Supplier Device Package | 64-QFN (7x11) | 64-QFN (7x11) | 64-QFN (7x11) |