Allicdata Part #: | ISL6121LIBZA-ND |
Manufacturer Part#: |
ISL6121LIBZA |
Price: | $ 0.98 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Intersil |
Short Description: | IC SUPPLY/CURR LIMIT CTRLR 8SOIC |
More Detail: | Power Supply Controller Single Supply/Current Limi... |
DataSheet: | ISL6121LIBZA Datasheet/PDF |
Quantity: | 1000 |
1960 +: | $ 0.89082 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Applications: | Single Supply/Current Limiting Controller |
Voltage - Input: | -- |
Voltage - Supply: | 2.5 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | ISL6121 |
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The ISL6121LIBZA is an integrated circuit for monitoring and controlling power supplies in PMIC (Power Management Integrated Circuit) applications. It is a 2-phase, 2-phase plus current sharing, or a single phase-controller; the choice of configuration is set in the configuration register. The ISL6121LIBZA combines high power conversion efficiency and high accuracy precision measurement of both current and voltage.
One of the primary components of the ISL6121LIBZA is its integrated pulse width modulation (PWM) circuit, which controls switching of the power supply. The PWM circuitry uses a peak current mode control principle to perform regulation of the output voltage. The PWM circuit also interfaces with any external devices required for controlling the power supply, such as an optocoupler or other digital control circuitry.
Another key component of the ISL6121LIBZA is its integrated power measurement functions. The ISL6121LIBZA provides precision current and voltage monitoring capabilities. It can measure load current, as well as input and output voltages accurately, without introducing distortion to the power supply. This allows for better system efficiency, as well as providing improved protection against current overloads and overvoltages.
The ISL6121LIBZA also includes additional features such as a voltage rail supervisor, output voltage supervisory, and adjustable overvoltage protection. These features help protect the power supply from damaging voltages, and provide better protection for sensitive loads.
The ISL6121LIBZA also features a built-in temperature sensor that helps prevent over-temperature conditions. The temperature sensor can also be used to provide an alarm output if the temperature rises above a predefined level. This helps protect against excessive heating in the power supply.
The ISL6121LIBZA supports numerous power converter configurations, such as two-phase, two-phase plus current sharing, and single-phase configurations. The current sharing feature helps balance the current between two outputs, maintaining consistent operating performance. The adjustable output voltage option allows for fine-tuning the output voltage for better control of the power supply.
The ISL6121LIBZA also supports multiple safety and protection features. A thermal shutdown function triggers when the temperature reaches a preset threshold, limiting the power dissipation. Undervoltage lockout and overvoltage protection circuits help protect against potentially damaging overvoltage conditions. The ISL6121LIBZA also supports optional watchdog timer, which can be used to safely reset the power supply in the event of a fault.
In addition, the ISL6121LIBZA provides multiple system interfaces, allowing for connection to external components. The on-chip LCD driver provides a low voltage display of current and voltage measurements. An on-chip UART (Universal Asynchronous Receiver Transmitter) and I2C (Inter-Integrated Circuit) and SPI (Serial Peripheral Interface) ports are also provided, allowing for communication with external components and devices.
The ISL6121LIBZA is an integrated power management system with high power conversion efficiency and accurate monitoring and control options. It is used in PMIC applications and is an ideal solution for designing power supplies with higher efficiency and greater protection against overvoltage and over-temperature conditions.
The specific data is subject to PDF, and the above content is for reference
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