Allicdata Part #: | L9951TR-ND |
Manufacturer Part#: |
L9951TR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC DVR DOOR ACTUATOR POWERSO-36 |
More Detail: | Automotive PMIC PowerSO-36 |
DataSheet: | L9951TR Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Applications: | Automotive |
Current - Supply: | 7mA |
Voltage - Supply: | 7 V ~ 28 V |
Operating Temperature: | -40°C ~ 150°C |
Mounting Type: | Surface Mount |
Package / Case: | PowerSO-36 Exposed Bottom Pad |
Supplier Device Package: | PowerSO-36 |
Base Part Number: | L9951 |
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The L9951TR is a specialized power management integrated circuit (PMIC) designed for the regulation and management of power supply electricity streams in a range of applications. As a PMIC, it is capable of regulating power supply current, output voltage, and frequency - all within a safe, consistent, and reliable operating range. As a specialized power management IC, it offers improved performance and efficiency for applications with very precise and stringent power requirements. Since its introduction in 1998, the L9951TR has been widely used in a range of industries, including automotive, healthcare, industrial, and consumer electronics.
The L9951TR is capable of supporting a wide variety of current and voltage requirements, with a minimum supply current of 1-2mA and a maximum output voltage of up to 8V. This versatility makes it suitable for a variety of tasks, including motor control, processor voltage regulators, and battery chargers. The integrated circuit can be used in either DC or AC power supply systems, for both line and load regulation. It is also able to handle both constant-voltage and constant-current required applications, allowing for a degree of customization to meet specific design requirements.
In addition to its versatility in current and voltage regulation, the L9951TR also features several specialized features. These include a unique pulse-width modulation (PWM) system for improved power efficiency, integrated over-voltage protection for higher voltage tolerance, and an integrated watchdog timer that monitors the circuit for abnormal operation or faults. The combined features of the L9951TR make it an ideal power management solution for applications which require precise power control and monitoring.
In terms of working principle, the L9951TR regulates power supply current and output voltage by feeding externally-provided voltage reference (Vref) and current reference signals (Iref) into its integrated control circuits. The device has several independent control loops, each responsible for monitoring voltage and current and making the necessary adjustments to ensure that the output is correct and within a safe operating range. By constantly monitoring the input voltage, the device is able to detect and react to changes in power supply as they occur, allowing it to keep output voltage and current consistent despite changes in the external environment.
The L9951TR is a highly reliable and efficient power supply management solution with a proven track record of delivering consistent and reliable power controlling capabilities to a wide range of industries. With its combination of adjustable current and voltage requirements, voltage and current monitoring, and specialized features such as over-voltage protection and integrated watchdog timers, the L9951TR is ideal for applications which require precise and reliable power management.
The specific data is subject to PDF, and the above content is for reference
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