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| Part Number | BQ24251RGER | BQ24257RGER | BQ24259RGER | BQ24251RGET | BQ24253RGER | BQ24271RGER | BQ24261RGER | BQ24250RGER |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Not For New Designs | Not For New Designs | Active | Not For New Designs | Active | Active | Obsolete | Active |
| Battery Chemistry | Lithium Ion | Multi-Chemistry | Lithium Ion/Polymer | Lithium Ion | Lithium Ion | Lithium Ion | Lithium Ion | Lithium Ion |
| Number of Cells | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Current - Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable |
| Programmable Features | Current | Timer | - | Current | Current | Current | Current | Current |
| Fault Protection | Over Current, Over Temperature, Over Voltage | Over Temperature, Over Voltage | Over Current, Over Temperature, Over Voltage | Over Current, Over Temperature, Over Voltage | Over Current, Over Temperature, Over Voltage | Over Temperature, Over Voltage, Short Circuit | Over Temperature, Over Voltage | Over Temperature, Over Voltage |
| Charge Current - Max | 2A | 2A | 2A | 2A | 2A | 1.5A | 3A | 2A |
| Battery Pack Voltage | 4.2V | 4.44V (Max) | 4.2V | 4.2V | 4.2V | 3.7V | 3.5V | 4.2V |
| Voltage - Supply (Max) | 10.5V | 6.5V | 6.2V | 10.5V | 10.5V | 6V | 13.2V | 10.5V |
| Interface | I²C | I²C, USB | I²C, USB | I²C | I²C | I²C | I²C | I²C |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad |
| Supplier Device Package | 24-VQFN (4x4) | 24-VQFN (4x4) | 24-VQFN (4x4) | 24-VQFN (4x4) | 24-VQFN (4x4) | 24-VQFN (4x4) | 24-VQFN (4x4) | 24-VQFN (4x4) |
