| Part Number | MAX1908ETI+ | MAX1909ETI+ | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | PMIC - Battery Chargers | PMIC - Battery Chargers | 
|   |   | |
| Product Status | Active | Active | 
| Battery Chemistry | Multi-Chemistry | Multi-Chemistry | 
| Number of Cells | 2 ~ 4 | - | 
| Current - Charging | - | Constant - Programmable | 
| Programmable Features | - | - | 
| Fault Protection | - | - | 
| Charge Current - Max | - | 4A | 
| Battery Pack Voltage | 17.6V (Max) | 17.65V (Max) | 
| Voltage - Supply (Max) | 28V | 28V | 
| Interface | - | - | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 
| Supplier Device Package | 28-TQFN (5x5) | 28-TQFN (5x5) |