Hình ảnh chỉ để tham khảo
TPS3305-18DR
+BOMIC SUPERVISOR 2 CHANNEL 8SOIC
-
Nhà sản xuấtTexas Dụng cụ
-
Ông. Phần #TPS3305-18DR
-
Có sẵn1672
365 Đảm bảo chất lượng ngày
7*24 giờ dịch vụ quarantee
90-Bảo hành sau bán hàng ngày
Bảo hành sản phẩm chính xác
Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Active |
| BaseProductNumber | TPS3305 |
| DigiKeyProgrammable | Not Verified |
| Type | Multi-Voltage Supervisor |
| Voltage-Threshold | 1.68V, 2.93V |
| Output | Push-Pull, Totem Pole |
| Reset | Active High/Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | -40°C ~ 85°C (TJ) |
| MountingType | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
| Packaging | Bulk, Cut Tape (CT), Tape & Reel (TR) |
| NumberofVoltagesMonitored | 2 |
Tổng quan
Description
Key features include fixed threshold voltage levels to monitor 3.3V, 5V, and an adjustable third voltage, typically set for 1.8V systems. The TPS3305-18DR generates a reset signal for a microcontroller during power-up, power-down, and brownout conditions, with a typical reset delay time to ensure supply stability before system operation begins. It provides an active low reset output and an open-drain architecture, allowing for use with multiple devices.
The TPS3305-18DR is ideal for applications requiring precise voltage supervision, such as communication equipment, industrial controls, and consumer electronics, helping to prevent system errors due to supply voltage variations.
Equivalent
1. ADM1232 – by Analog Devices.
2. MCP1316 – by Microchip Technology.
3. MAX706 – by Maxim Integrated (now part of Analog Devices).
4. MIC2775 – by Microchip Technology.
5. STM690 – by STMicroelectronics.
These components offer similar functionalities like voltage monitoring and reset control. Always check the datasheets to ensure compatibility with your specific application requirements.
Features
1. Voltage Monitoring: It monitors three supply voltages, ensuring reliable operation by asserting a reset if any voltage drops below a specified threshold.
2. Reset Functionality: The device provides a RESET output signal when the monitored voltage drops below the threshold or during a power-up, ensuring that the microprocessor starts in a known state.
3. Watchdog Timer: The built-in watchdog timer enhances system reliability by resetting the microprocessor if it fails to toggle the watchdog input within a specified time interval.
4. Manual Reset Input: It includes an input for an external reset signal, allowing users to manually trigger a reset.
5. Low Supply Current: The device operates with low quiescent current, making it suitable for battery-powered applications.
6. Temperature Range: It operates over a wide temperature range, typically from -40°C to 85°C.
These features make the TPS3305-18DR suitable for ensuring reliable operation in a variety of microprocessor-based applications.