L9903TR Allicdata Electronics

L9903TR Integrated Circuits (ICs)

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 datasheetL9903TR 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
Stock 3000Can Ship Immediately
$ 1.46
Specifications
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) 
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

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

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