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LTC2933CGN#PBF
Product Overview
Category
LTC2933CGN#PBF belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in electronic devices for power supply monitoring and sequencing.
Characteristics
- Monitors multiple power supply voltages simultaneously
- Provides accurate power-on reset (POR) signals
- Allows flexible configuration of power sequencing
- Offers adjustable reset thresholds
- Operates over a wide temperature range
- Low quiescent current consumption
Package
LTC2933CGN#PBF is available in a 16-pin SSOP package.
Essence
The essence of this product lies in its ability to monitor and control power supply voltages, ensuring proper sequencing and reliable operation of electronic devices.
Packaging/Quantity
LTC2933CGN#PBF is typically sold in reels containing a quantity of 250 units per reel.
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Operating Temperature Range: -40°C to 85°C
- Quiescent Current: 20µA (typical)
- Number of Power Supply Inputs: 4
- Reset Threshold Accuracy: ±1.5%
- Power-On Reset Timeout Period: 200ms (typical)
Detailed Pin Configuration
- VCC1: Power supply input 1
- GND1: Ground connection 1
- VCC2: Power supply input 2
- GND2: Ground connection 2
- VCC3: Power supply input 3
- GND3: Ground connection 3
- VCC4: Power supply input 4
- GND4: Ground connection 4
- RESET#: Active-low reset output
- MR#: Master reset input
- POR#: Power-on reset output
- GND: Ground connection
- VCC: Power supply input
- SEQ#: Sequencing control input
- PGOOD: Power-good output
- NC: No connection
Functional Features
- Monitors power supply voltages and generates POR signals to ensure proper device initialization.
- Allows flexible configuration of power sequencing through the SEQ# input.
- Provides a power-good output (PGOOD) to indicate when all power supplies are within the desired voltage range.
- Offers adjustable reset thresholds to accommodate different voltage levels.
Advantages and Disadvantages
Advantages
- Simultaneous monitoring of multiple power supply voltages
- Accurate power-on reset signals for reliable device operation
- Flexible power sequencing configuration
- Wide operating temperature range
- Low quiescent current consumption
Disadvantages
- Limited number of power supply inputs (4)
- Requires external components for proper operation
Working Principles
LTC2933CGN#PBF operates by continuously monitoring the voltage levels of the connected power supplies. It compares these voltages with the user-configured reset thresholds. If any of the monitored voltages fall below the respective threshold, the device generates a power-on reset signal (POR#) to initiate a system reset. The sequencing control input (SEQ#) allows the user to define the desired power-up sequence. The power-good output (PGOOD) indicates when all power supplies are within the specified voltage range.
Detailed Application Field Plans
LTC2933CGN#PBF finds applications in various electronic devices where power supply monitoring and sequencing are critical. Some specific application fields include:
- Embedded systems
- Industrial automation
- Telecommunications equipment
- Medical devices
- Automotive electronics
Detailed and Complete Alternative Models
- LTC2932CGN#PBF
- LTC2934CGN#PBF
- LTC2935CGN#PBF
- LTC2936CGN#PBF
These alternative models offer similar functionality and characteristics to LTC2933CGN#PBF, providing options for different design requirements.
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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LTC2933CGN#PBF dalam solusi teknis
Sure! Here are 10 common questions and answers related to the application of LTC2933CGN#PBF in technical solutions:
Q: What is LTC2933CGN#PBF? A: LTC2933CGN#PBF is a specific model number for a power supply sequencer and supervisor integrated circuit (IC) manufactured by Linear Technology (now part of Analog Devices).
Q: What is the purpose of LTC2933CGN#PBF? A: The LTC2933CGN#PBF IC is designed to monitor and control the sequencing and supervision of multiple power supplies in a system, ensuring proper power-up and shutdown sequences.
Q: How many power supplies can LTC2933CGN#PBF handle? A: LTC2933CGN#PBF can handle up to three power supplies.
Q: What are the key features of LTC2933CGN#PBF? A: Some key features include adjustable power-on reset delay, adjustable watchdog timer, fault detection and reporting, and programmable power supply sequencing.
Q: Can LTC2933CGN#PBF be used in battery-powered applications? A: Yes, LTC2933CGN#PBF can be used in battery-powered applications as it has low quiescent current and operates over a wide voltage range.
Q: Is LTC2933CGN#PBF suitable for automotive applications? A: Yes, LTC2933CGN#PBF is suitable for automotive applications as it meets the necessary automotive standards and has a wide operating temperature range.
Q: How is LTC2933CGN#PBF controlled and configured? A: LTC2933CGN#PBF can be controlled and configured using an I2C interface, allowing for easy integration into digital systems.
Q: Can LTC2933CGN#PBF handle power supply faults? A: Yes, LTC2933CGN#PBF can detect and report various power supply faults such as undervoltage, overvoltage, and overcurrent conditions.
Q: Are there any evaluation boards available for LTC2933CGN#PBF? A: Yes, Analog Devices provides evaluation boards for LTC2933CGN#PBF, which can help in testing and prototyping applications.
Q: Where can I find more information about LTC2933CGN#PBF? A: You can find more detailed information about LTC2933CGN#PBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support team.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the official documentation and consult with technical experts for accurate and up-to-date information.