The TC646EOA is a PWM fan speed controller designed for brushless DC fans, featuring temperature proportional speed control to enhance acoustic performance and extend fan life. It operates within a supply voltage range of 3.0V to 5.5V, allowing compatibility with various fan voltages. The device incorporates FanSense,Ñ¢ technology, which includes fault detection circuits to monitor fan operation and protect against failures. It also supports low-cost NTC/PTC thermistors for temperature sensing and includes an auto-shutdown mode for energy efficiency. The TC646EOA is packaged in an 8-pin MSOP format and is suitable for applications in power supplies, computers, file servers, portable computers, telecom equipment, and general-purpose fan speed control. It features an integrated start-up timer for reliable motor activation and provides over-temperature indication. The device is available in industrial and extended commercial temperature ranges, making it versatile for various environmental conditions.
IC MOTOR DRIVER 3V-5.5V 8SOIC Product overview: TC646EOA from Microchip Technology is a Motor Driver IC for embedded motor control, robotics, automation equipment, haptic feedback, pumps, fans, and industrial motion systems. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 3V, 5.5V. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, 3V, 5.5V, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-TC646EOA can be used for catalog matching and distributor lookup.
Motor Driver Parallel 8-SOIC
Manufacturer: Microchip Technology
Win Source Part Number: 1106052-TC646EOA
Packaging: Tube/Rail
Applications: Fan Controller
Mounting: SMD (SMT)
Motor Type - AC, DC: Brushless DC (BLDC)
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 8-SOIC
Purpose: Controller - Speed
Supply Voltage - Operating: 3 V to 5.5 V
Popularity: Medium
Fake Threat In the Open Market: 41 pct.
Supply and Demand Status: Balance
Motor Driver Parallel 8-SOIC
MOTOR DRIVER, PWM, 5mA, SOIC-8; Motor Type:PWM; No. of Outputs:1Outputs; Output Current:5mA; Output Voltage:4.4V; Driver Case Style:SOIC; No. of Pins:8Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Product Range:- RoHS Compliant: Yes
IC MOTOR DRIVER 3V-5.5V 8SOIC
IC MOTOR DRIVER 3V-5.5V 8SOIC
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | Quarktwin Technology Ltd. | Newark, An Avnet Company | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Motor Speed Controllers | Motor Speed Controllers | Motion Controllers | Motor Controllers | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | 744-TC646EOA | TC646EOA-ND | 1106052-TC646EOA | TC646EOA | 72C4348 | TC646EOA | TC646EOA |
| Product Name | 3V 5.5V Motor Driver IC | Motor Drivers, Controllers | PMIC - PMIC - Motor Drivers, Controllers - TC646EOA | Motor Drivers, Controllers | Motor Driver, Pwm, 5Ma, Soic-8; Motor Type Microchip | PMIC - Motor Drivers, Controllers | Integrated Circuits (ICs) - PMIC - Motor Drivers, Controllers |
| Product | Fan Controller | Pulse Width Modulation Drive | |||||
| PC-Based Bus | Other; Parallel | Parallel Interface | |||||
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | ||
| DC Input | 6 volts | 3 to 6 volts | 3 to 6 volts | 3 to 6 volts | |||
| Motor / System | DC Brushless | DC Brushless; Brushless DC (BLDC) | PWM |