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| Part Number | LP3947ISD-51 | 
| Description | IC BATT CHARGE MGR LI-ION 14WSON | 
| Manufacturer | Texas Instruments | 
| Series | - | 
| Part Status | Obsolete | 
| Battery Chemistry | Lithium-Ion | 
| Number of Cells | 1 | 
| Current - Charging | Constant - Programmable | 
| Programmable Features | - | 
| Fault Protection | Over Voltage | 
| Charge Current - Max | 750mA | 
| Battery Pack Voltage | 4.2V | 
| Voltage - Supply (Max) | 6V | 
| Interface | I²C, USB | 
| Operating Temperature | -40°C ~ 85°C (TA) | 
| Package / Case | Surface Mount | 
| Supplier Device Package | 14-WFDFN Exposed Pad | 
| Base Part Number | 14-WSON (4x4) |