Overview
The TPS3840PL20DBVR is a nanopower high-input voltage supervisor integrated circuit (IC) manufactured by Texas Instruments. This device is designed to monitor voltage levels and provide reset signals when the voltage falls below a predetermined threshold. It features a wide operating voltage range from 1.5 V to 10 V, making it versatile for various applications. The IC is packaged in a 5-SOT-23 (SC-74A, SOT-753) package, which is surface mountable and RoHS compliant.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TPS3840PL20DBVR |
| Package | 5-SOT-23 (SC-74A, SOT-753) |
| Operating Temperature | -40°C to 125°C |
| Supply Voltage | 1.5 V to 10 V |
| Supply Current | 300 nA (Typ), 700 nA (Max) |
| Threshold Voltage | 2 V |
| Reset Timeout | 619 ms (Typical) |
| Output Type | Push-Pull, Totem Pole |
| Reset Type | Active Low |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS Compliant |
Key Features
- Wide Operating Voltage Range: The TPS3840PL20DBVR operates over a wide voltage range from 1.5 V to 10 V, making it suitable for a variety of applications.
- Nano Supply Current: The device has a very low supply current of 300 nA (Typical) and 700 nA (Maximum), which is beneficial for power-sensitive designs.
- Fixed Threshold Voltage: The IC has a fixed threshold voltage of 2 V, ensuring consistent monitoring of the input voltage.
- Programmable Reset Time Delay: The reset time delay is programmable, allowing for flexibility in system design.
- Active Low Reset Output: The reset output is active low and push-pull, totem pole type, which is suitable for driving various types of loads.
- Automotive Temperature Grade: The device is rated for operation in the automotive temperature range from -40°C to 125°C.
Applications
- Automotive Systems: The TPS3840PL20DBVR is suitable for use in automotive systems due to its wide operating temperature range and low power consumption.
- Industrial Control Systems: It can be used in industrial control systems where reliable voltage monitoring is crucial.
- Consumer Electronics: The device is also applicable in consumer electronics where low power consumption and reliable voltage monitoring are essential.
- Medical Devices: Its low power consumption and precise voltage monitoring make it suitable for use in medical devices.
Q & A
- What is the operating voltage range of the TPS3840PL20DBVR?
The operating voltage range is from 1.5 V to 10 V.
- What is the typical supply current of the TPS3840PL20DBVR?
The typical supply current is 300 nA, with a maximum of 700 nA.
- What is the threshold voltage of the TPS3840PL20DBVR?
The threshold voltage is fixed at 2 V.
- What type of reset output does the TPS3840PL20DBVR have?
The reset output is active low and push-pull, totem pole type.
- What is the reset timeout of the TPS3840PL20DBVR?
The reset timeout is typically 619 ms.
- Is the TPS3840PL20DBVR RoHS compliant?
Yes, the TPS3840PL20DBVR is RoHS compliant.
- What is the operating temperature range of the TPS3840PL20DBVR?
The operating temperature range is from -40°C to 125°C.
- What type of package does the TPS3840PL20DBVR come in?
The device comes in a 5-SOT-23 (SC-74A, SOT-753) package.
- Is the TPS3840PL20DBVR suitable for automotive applications?
Yes, it is suitable for automotive applications due to its automotive temperature grade and other specifications.
- Can the reset time delay of the TPS3840PL20DBVR be programmed?
Yes, the reset time delay is programmable.
