Overview
The LP3470IM5X-2.93 is a power management integrated circuit (PMIC) designed by National Semiconductor, now part of Texas Instruments. This component is categorized as a simple reset/power-on reset IC, specifically engineered to monitor voltage levels and ensure reliable system initialization. It is particularly suitable for applications requiring precise voltage supervision and reset functionality. The LP3470IM5X-2.93 is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. Its key selling points include a fixed voltage threshold of 2.93V, low power consumption, and a robust operating temperature range from -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - 监控器 | - | - |
| Description | IC CIRCUIT TNY PWR RESET SOT23-5 | - | - |
| Manufacturer | Texas Instruments | - | - |
| Type | Simple Reset/Power-On Reset | - | - |
| Monitored Voltage | 1 | - | - |
| Output | Open Drain or Open Collector | - | - |
| Reset Polarity | Active Low | - | - |
| Reset Timeout | Min 1 ms | ms | - |
| Voltage Threshold | 2.93 | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | SC-74A, SOT-753 | - | - |
| Supplier Device Package | SOT-23-5 | - | - |
| Packaging | Tape & Reel (TR) | - | - |
Key Features
- Fixed Voltage Threshold: Monitors voltage levels with a precise threshold of 2.93V, ensuring accurate system reset.
- Open Drain Output: Provides flexibility in interfacing with various logic levels and external components.
- Low Power Consumption: Designed for energy-efficient applications, minimizing power drain.
- Wide Operating Temperature Range: Operates reliably in extreme conditions from -40°C to 85°C.
- Compact SOT-23-5 Package: Ideal for space-constrained designs, enabling integration into small form factor devices.
Applications
The LP3470IM5X-2.93 is widely used in applications requiring reliable voltage monitoring and system reset functionality. Typical use cases include:
- Industrial Automation: Ensures stable operation of control systems and sensors in harsh environments.
- Consumer Electronics: Provides power-on reset functionality for devices such as smart home appliances and portable gadgets.
- Automotive Electronics: Monitors voltage levels in vehicle control units, enhancing system reliability.
- Embedded Systems: Facilitates proper initialization of microcontrollers and other critical components in embedded designs.
Q & A
1. What is the voltage threshold of the LP3470IM5X-2.93?
The voltage threshold is fixed at 2.93V.
2. What is the operating temperature range of this IC?
It operates reliably from -40°C to 85°C.
3. What type of output does the LP3470IM5X-2.93 provide?
It features an open drain or open collector output.
4. What is the reset timeout duration?
The minimum reset timeout is 1 ms.
5. What package does this IC come in?
It is housed in a SOT-23-5 package.
6. Is the LP3470IM5X-2.93 suitable for automotive applications?
Yes, it is designed to operate reliably in automotive electronics.
7. Can this IC be used in industrial automation systems?
Yes, it is well-suited for industrial automation due to its robust design.
8. What is the reset polarity of this IC?
The reset polarity is active low.
9. Does the LP3470IM5X-2.93 support manual reset functionality?
No, it does not support manual reset.
10. What is the typical application of this IC?
It is commonly used for power-on reset and voltage monitoring in various electronic systems.
