RT9818C-29GV

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RT9818C-29GV

IC SUPERVISOR 1 CHANNEL SOT23-3

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.9V
Output Open Drain or Open Collector
Reset Active Low
ResetTimeout 143ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Vue d'ensemble

Description

The RT9818C-29GV is a microprocessor supervisory circuit designed to monitor the power supply status of microprocessor systems. It ensures that the system operates reliably by supervising the power supply voltage levels. This device features a precise voltage detector with a reset function that activates when the monitored voltage falls below a preset threshold. The typical threshold voltage for the RT9818C-29GV is 2.9V.
Key features include low supply current, a push-pull reset output, and an accuracy of ±2% for the voltage detection threshold. The device is equipped with a fixed reset timeout period, ensuring that systems can safely restart after power-related interruptions. Its compact package makes it suitable for space-constrained applications, and it is commonly used in embedded systems, consumer electronics, and other digital devices requiring reliable voltage monitoring.
The RT9818C-29GV helps prevent data corruption and ensures system stability by managing the reset process during power-up, power-down, and brownout conditions. Its functionality is critical for maintaining the integrity and performance of microprocessor-based applications.

Features

The RT9818C-29GV is a microprocessor supervisory circuit designed to monitor system voltages in electronic applications. It features a precision voltage detector with a threshold of 2.9V. The device provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions to ensure proper operation. The reset output is active low and remains asserted while the monitored voltage remains below the threshold level.
Key features of the RT9818C-29GV include:
- Low supply current, making it energy-efficient and suitable for battery-operated devices.
- Manual reset input, allowing for external control over the reset function.
- High accuracy in voltage detection, ensuring reliable system monitoring.
- A small SOT-23-5 package, which is ideal for space-constrained applications.
- Built-in delay circuitry to prevent false resets due to brief voltage fluctuations.
These features make the RT9818C-29GV an excellent choice for applications requiring reliable voltage monitoring and microprocessor control, such as consumer electronics, automotive systems, and industrial equipment.

Package

The RT9818C-29GV is typically available in a SOT-23-5 package, which is a small outline transistor package with five terminals. This package type is commonly used for surface-mount technology applications, allowing for compact and efficient circuit design.

Pinout

The RT9818C-29GV is a microprocessor supervisory circuit designed to monitor the power supply in microprocessor systems. It typically features a pin count of 3 and serves the essential function of monitoring voltage levels to ensure that they remain within specified limits. If the monitored voltage drops below a certain threshold, the device generates a reset signal to the microprocessor, which helps in maintaining stable operation and preventing malfunctions or data corruption. The specific variant, RT9818C-29GV, implies a typical reset threshold voltage of 2.9V. This compact, low-power device is generally used in applications where reliable system performance is critical, such as in battery-powered devices and other embedded systems.

Manufacturer

The RT9818C-29GV is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in the design and manufacture of analog integrated circuits, particularly focusing on power management solutions. They provide a wide range of products including voltage regulators, LED drivers, battery management ICs, and other power management components used in various electronic devices and applications. Richtek is known for its innovation in power management technologies, catering to consumer electronics, industrial, automotive, and communication markets.

Application

The RT9818C-29GV is a voltage detector IC commonly used in various electronic applications. Its primary application areas include power management systems, battery-powered devices, microprocessor supervisory functions, and portable electronics. It ensures reliable voltage monitoring and resets generation to protect circuits from abnormal voltage conditions, making it ideal for use in smartphones, tablets, wearable devices, and other consumer electronics where voltage precision and stability are crucial.

Equivalent

The RT9818C-29GV is a voltage detector IC. Equivalent products could include:
1. Microchip Technology MCP130T-300I/TT: Similar voltage detection features.
2. ON Semiconductor NCP303LSN30T1G: Offers comparable voltage monitoring capabilities.
3. Texas Instruments TPS3839K33: Another alternative with similar functionality.
Ensure to compare the exact specifications, such as detection voltage, output type, and package, to confirm compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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