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| Part Number | BQ24120RHLTG4 | BQ24123RHLTG4 | BQ24120RHLRG4 | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Battery Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | Lithium Ion/Polymer | 
| Number of Cells | 1 | 1 ~ 3 | 1 | 
| Current - Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable | 
| Programmable Features | Current, Timer | Current, Timer | Current, Timer | 
| Fault Protection | Over Temperature | Over Temperature | Over Temperature | 
| Charge Current - Max | 2A | 2A | 2A | 
| Battery Pack Voltage | 4.2V | 8.4V | 4.2V | 
| Voltage - Supply (Max) | 16V | 16V | 16V | 
| Interface | - | - | - | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 
| Supplier Device Package | 20-VQFN (3.5x4.5) | 20-VQFN (3.5x4.5) | 20-VQFN (3.5x4.5) |