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| Part Number | TC646VPA | TC648VPA | TC649VPA | TC646VUA | TC647VPA | TC642VPA | TC643VPA | TC646VOA |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Active | Active | Obsolete | Active |
| Motor Type - Stepper | - | - | - | - | - | - | - | - |
| Motor Type - AC, DC | Brushless DC (BLDC) | Brushless DC (BLDC) | Brushless DC (BLDC) | Brushless DC (BLDC) | Brushless DC (BLDC) | Brushless DC (BLDC) | Brushless DC (BLDC) | Brushless DC (BLDC) |
| Function | Controller - Speed | Controller - Speed | Controller - Speed | Controller - Speed | Controller - Speed | Controller - Speed | Driver - Fully Integrated, Control and Power Stage | Controller - Speed |
| Output Configuration | Pre-Driver - Low Side | Pre-Driver - Low Side | Pre-Driver - Low Side | Pre-Driver - Low Side | Pre-Driver - Low Side | Pre-Driver - Low Side | Low Side | Pre-Driver - Low Side |
| Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | PWM | Parallel |
| Technology | - | - | - | - | - | - | Bipolar | - |
| Step Resolution | - | - | - | - | - | - | - | - |
| Applications | Fan Controller | Fan Controller | Fan Controller | Fan Controller | Fan Controller | Fan Controller | Fan Motor Driver | Fan Controller |
| Current - Output | - | - | - | - | - | - | - | - |
| Voltage - Supply | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 2.7V ~ 5.5V | 3V ~ 5.5V |
| Voltage - Load | - | - | - | - | - | - | 2.7V ~ 5.5V | - |
| Operating Temperature | 0°C ~ 85°C (TA) | 0°C ~ 85°C (TA) | 0°C ~ 85°C (TA) | 0°C ~ 85°C (TA) | 0°C ~ 85°C (TA) | 0°C ~ 85°C (TA) | -40°C ~ 150°C (TJ) | 0°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-PDIP | 8-PDIP | 8-PDIP | 8-MSOP | 8-PDIP | 8-PDIP | 8-PDIP | 8-SOIC |
