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| Part Number | BQ29449DRBT | BQ2944L9DRBT | BQ29440DRBT | BQ29441DRBT | BQ29442DRBT | BQ29443DRBT | BQ29449DRBR |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Active | Active | Active | Discontinued at Digi-Key | Active |
| Function | Battery Protection | Battery Protection | Battery Protection | Battery Protection | Battery Protection | Battery Protection | Battery Protection |
| Battery Chemistry | Lithium Ion | Lithium Ion | Lithium Ion | Lithium Ion | Lithium Ion | Lithium Ion | Lithium Ion |
| Number of Cells | 2 ~ 4 | 2 ~ 4 | 2 ~ 4 | 2 ~ 4 | 2 ~ 4 | 2 ~ 4 | 2 ~ 4 |
| Fault Protection | Over Voltage | Over Voltage | Over Voltage | Over Voltage | Over Voltage | Over Voltage | Over Voltage |
| Interface | - | - | - | - | - | - | - |
| Operating Temperature | -40°C ~ 110°C (TA) | -40°C ~ 110°C (TA) | -40°C ~ 110°C (TA) | -40°C ~ 110°C (TA) | -40°C ~ 110°C (TA) | -40°C ~ 110°C (TA) | -40°C ~ 110°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad |
| Supplier Device Package | 8-SON (3x3) | 8-SON (3x3) | 8-SON (3x3) | 8-SON (3x3) | 8-SON (3x3) | 8-SON (3x3) | 8-SON (3x3) |
