圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | SGMICRO |
| Package / Case | SOT-23 |
| Reset Active Level | Active High |
| Output Type | Push-pull |
| Threshold Voltage | 2.93V |
| Chip Type | Voltage monitor |
| Number of Voltages Monitored | 1 |
| Reset Timeout | 240ms |
| Voltage - Supply | 1.2V~5.5V |
| Operating Temperature | -40℃~+125℃@(Tj) |
概述
Description
The SGM809-SXN3/TR is a low-power, high-accuracy voltage supervisor IC from SGMICRO. It monitors voltage levels and provides a reset signal when the supply voltage drops below a preset threshold, ensuring system stability.
### Key Features:
- Ultra-low power consumption (typically 1.1µA).
- Wide voltage range (1.6V to 5.5V).
- Precision threshold options (adjustable or fixed).
- Manual reset input for external control.
- Small package (SOT-23-3/5) for space-constrained designs.
### Applications:
- Microcontroller (MCU) reset circuits.
- Battery-powered devices.
- Industrial and consumer electronics.
The SXN3/TR variant is tape-and-reel packaged for automated assembly. It ensures reliable power management in critical systems.
For detailed specs, refer to the SGMICRO datasheet.
### Key Features:
- Ultra-low power consumption (typically 1.1µA).
- Wide voltage range (1.6V to 5.5V).
- Precision threshold options (adjustable or fixed).
- Manual reset input for external control.
- Small package (SOT-23-3/5) for space-constrained designs.
### Applications:
- Microcontroller (MCU) reset circuits.
- Battery-powered devices.
- Industrial and consumer electronics.
The SXN3/TR variant is tape-and-reel packaged for automated assembly. It ensures reliable power management in critical systems.
For detailed specs, refer to the SGMICRO datasheet.
Equivalent
The SGM809-SXN3/TR is a voltage supervisor/monitor IC. Equivalent alternatives include:
- MAX809 (Maxim Integrated)
- MCP809 (Microchip)
- TPS3808 (Texas Instruments)
- CAT809 (ON Semiconductor)
These are drop-in replacements with similar functions (reset monitoring at 3V). Verify pin compatibility and specs for your application.
- MAX809 (Maxim Integrated)
- MCP809 (Microchip)
- TPS3808 (Texas Instruments)
- CAT809 (ON Semiconductor)
These are drop-in replacements with similar functions (reset monitoring at 3V). Verify pin compatibility and specs for your application.
Features
The SGM809-SXN3/TR is a low-power, high-accuracy voltage supervisor IC with the following key features:
- Wide Supply Range: Operates from 1.6V to 5.5V, suitable for various applications.
- Low Quiescent Current: Consumes just 1.2µA (typ), ideal for battery-powered devices.
- Adjustable Threshold: Reset threshold can be set via external resistors for flexibility.
- Manual Reset Input: Supports external reset control via a push-button.
- Reset Timeout Delay: Fixed 200ms (typ) delay ensures stable power-up.
- Small Package: Available in a compact SOT-23-3 package for space-constrained designs.
- High Accuracy: ±1.5% threshold accuracy for reliable monitoring.
Commonly used in microcontrollers, IoT devices, and power management systems for reliable voltage supervision.
- Wide Supply Range: Operates from 1.6V to 5.5V, suitable for various applications.
- Low Quiescent Current: Consumes just 1.2µA (typ), ideal for battery-powered devices.
- Adjustable Threshold: Reset threshold can be set via external resistors for flexibility.
- Manual Reset Input: Supports external reset control via a push-button.
- Reset Timeout Delay: Fixed 200ms (typ) delay ensures stable power-up.
- Small Package: Available in a compact SOT-23-3 package for space-constrained designs.
- High Accuracy: ±1.5% threshold accuracy for reliable monitoring.
Commonly used in microcontrollers, IoT devices, and power management systems for reliable voltage supervision.
Application
The SGM809-SXN3/TR is a voltage supervisor/monitor IC used for system power management. Key application areas include:
- Consumer Electronics – Power monitoring in smart devices, wearables, and IoT.
- Industrial Systems – Ensuring stable voltage in automation, PLCs, and sensors.
- Automotive – Battery and power supply supervision in infotainment and ECUs.
- Computing & Storage – Reset control in servers, SSDs, and networking equipment.
- Medical Devices – Reliable power monitoring in portable and diagnostic equipment.
It provides precise voltage detection, reset generation, and low-power operation, enhancing system reliability.
- Consumer Electronics – Power monitoring in smart devices, wearables, and IoT.
- Industrial Systems – Ensuring stable voltage in automation, PLCs, and sensors.
- Automotive – Battery and power supply supervision in infotainment and ECUs.
- Computing & Storage – Reset control in servers, SSDs, and networking equipment.
- Medical Devices – Reliable power monitoring in portable and diagnostic equipment.
It provides precise voltage detection, reset generation, and low-power operation, enhancing system reliability.
Package
The SGM809-SXN3/TR is a voltage supervisor IC from SGMICRO, available in a SOT-23-5 package. This small, surface-mount package is compact and suitable for space-constrained applications. The "TR" suffix indicates it comes in tape-and-reel packaging for automated assembly.
