AS1913SF-T Integrated Circuits (ICs) |
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Allicdata Part #: | AS1913SF-T-ND |
Manufacturer Part#: |
AS1913SF-T |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ams |
Short Description: | IC SUPERVISOR ACT LOW SOT23-6 |
More Detail: | Supervisor Push-Pull, Totem Pole 2 Channel SOT-23-... |
DataSheet: | AS1913SF-T Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Type: | Multi-Voltage Supervisor |
Number of Voltages Monitored: | 2 |
Output: | Push-Pull, Totem Pole |
Reset: | Active Low |
Reset Timeout: | 100 ms Minimum |
Voltage - Threshold: | 1.05V, 2.93V |
Operating Temperature: | -40°C ~ 125°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | SOT-23-6 |
Supplier Device Package: | SOT-23-6 |
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。AS1913SF-T is a monolithic integrated circuit used in applications like battery backup, system protection, and power-on control. It is a specialized power management integrated circuit (PMIC) belonging to the class of supervisors. This IC is especially designed to supervise a wide range of voltages and supply configurations using a minimum of external components. It provides a high accuracy supply voltage monitoring, circuit reset, and supervisor function by using low operating current.
Working Principle
AS1913SF-T monitors the main power supply (VCC) and generates a reset signal after a certain preset delay time. When the voltage on VCC drops below its preset threshold, the reset signal is triggered. This reset signal can initiate the system power-on sequence, or the reset signal may be used in a system protection circuit. Additionally, the reset signal can also be used for transitioning between two power supplies, such as when changing from battery to ac power source.
This supervisor IC requires very few external components, but uses a sophisticated internal circuit architecture to manage all the functions. Its internal voltage comparator senses the state of the main power supply and starts a circuit reset operation when the preset voltage threshold is crossed. The delay time of the reset operation is controlled by a precision time-base circuit.
Once a reset signal is generated, AS1913SF-T provides active-low reset signals to external devices. The reset signal is active low, and can be output either in push-pull or open-drain configuration based on the type of the system controller. The reset signal can be used to reset the internal circuits in the system controller, or start the power-on sequence of the system. The reset pulse is kept active until the main supply voltage reaches a stable level.
Applications
AS1913SF-T is suitable for applications such as:
- Battery backup and system protection in mobile and embedded products
- Power control of supplies and reset in communication equipment
- Power control in automotive electronics
- Battery protection in portable electronic devices
- Low voltage systems protection
- Automatic power-on control
The device is capable of operating down to voltages as low as 2V, making it suitable for use in applications where battery backup or low voltage operation is required. The low operating current and wide operating temperature range of the IC make it suitable for various applications in industrial, medical, communications, and automotive systems.
Additionally, the minimized space-saving package and low pin count make it suitable for limited space, cost sensitive applications. The reset circuit of the IC is designed to remain active even when the supply voltage returns back to a normal level.
AS1913SF-T is an effective tool in designing systems with minimal power requirements and easy operation. Its reset circuit ensures reliable operation in noisy and unpredictable power systems. This makes it an ideal choice for use in applications that require reliable system protection and reset functions in a cost effective manner.
The specific data is subject to PDF, and the above content is for reference
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