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| PartNumber | BQ40Z50RSMR-R1 | BQ40Z50RSMR | BQ40Z50RSMR-R |
| Description | Battery Management 1s-4s gauge with integrated AFE | Battery Management 1-4 Series Li-Ion Battery Pack Manager | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Battery Management | Battery Management | PMIC - Battery Management |
| RoHS | Y | Y | - |
| Product | Fuel Gauges | - | Fuel Gauges |
| Battery Type | Li-Ion, Li-Polymer | Li-Ion, Li-Polymer | Li-Ion Li-Polymer |
| Output Voltage | 26 V | - | 26 V |
| Operating Supply Voltage | 2.2 V to 26 V | - | 2.2 V to 26 V |
| Operating Supply Current | 336 uA | - | 336 uA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Package / Case | VQFN-32 | VQFN-32 | - |
| Packaging | Reel | Reel | Tape & Reel (TR) |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Series | BQ40Z50-R1 | BQ40Z50 | Impedance Track |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Development Kit | BQ40Z50EVM-561 | - | BQ40Z50EVM-561 |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Battery Management | Battery Management | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.002547 oz | 0.002547 oz | 0.002547 oz |
| Package Case | - | - | VQFN-32 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Battery Chemistry | - | - | Lithium-Ion/Polymer |
| Number of Cells | - | - | |
| Function | - | - | Multi-Function Controller |
| Interface | - | - | SMBus |
| Supplier Device Package | - | - | 32-VQFN (4x4) |
| Fault Protection | - | - | Over Current, Over Temperature, Over/Under Voltage, Short Circuit |
| Drawing Number | - | - | 296; 4207560; RSM; 32 |