L9903TR Integrated Circuits (ICs) |
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Allicdata Part #: | 497-3937-2-ND |
Manufacturer Part#: |
L9903TR |
Price: | $ 1.46 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC MOTOR CONTROLLER SER 20SO |
More Detail: | Motor Driver Power MOSFET Serial 20-SO |
DataSheet: | L9903TR Datasheet/PDF |
Quantity: | 3000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
1000 +: | $ 1.32300 |
2000 +: | $ 1.25685 |
5000 +: | $ 1.20960 |
Technology: | Power MOSFET |
Base Part Number: | L9903 |
Supplier Device Package: | 20-SO |
Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Voltage - Load: | -- |
Voltage - Supply: | 8 V ~ 20 V |
Current - Output: | -- |
Applications: | General Purpose |
Step Resolution: | -- |
Series: | -- |
Interface: | Serial |
Output Configuration: | Pre-Driver - Half Bridge (2) |
Function: | Controller - Commutation, Direction Management |
Motor Type - AC, DC: | Brushed DC |
Motor Type - Stepper: | -- |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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The L9903TR is a Power Management Integrating Circuit (PMIC) that is used in motor controllers. This chip is an ideal choice for applications that require highly efficient and reliable power management solutions.
The chip’s main purpose is to provide control and regulation of the current passing through a motor. It offers low power consumption, high efficiency, and reliable operation. Additionally, the L9903TR features a built-in thermal sensor that helps protect the motor from further damage due to overheating.
The working principle of the L9903TR is based on the fact that the motor current is regulated by controlling the output voltage of the chip. The chip will automatically adjust its output voltage based on the input current to keep the desired motor current. This results in a lower power-conversion efficiency as the chip is capable of providing the same current with less voltage.
The L9903TR can also be used to control the speed of DC motors. It can be used to regulate the speed at which a DC motor operates by varying the output voltage of the chip. The chip can also be used to control the direction of rotation of the motor. By using the “change control wire” of the chip, the user can switch the direction of rotation of the motor.
The L9903TR is an ideal choice for motor controllers that require high power efficiency and reliability. It has a number of features that make it well-suited for motor control applications, such as a built-in thermal sensor, low power consumption, and high efficiency. Additionally, the chip offers the ability to control the speed and direction of rotation of the motor. All these features make the L9903TR a great choice for motor controller applications.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
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