Overview
The TPS3836K33DBVRG4 is a nano power voltage supervisor from Texas Instruments, designed to provide circuit initialization and timing supervision for digital signal processors (DSPs) and processor-based systems. This device is part of the TPS3836 family, which includes variants with different reset output configurations. The TPS3836K33DBVRG4 specifically monitors a supply voltage of 3.3 V and features a push-pull, active-low RESET output.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Supply Voltage Range | 1.6 V to 6 V | V |
| Threshold Voltage (VIT) | 2.93 V (typical) | V |
| Supply Current | 220 nA (typical) | nA |
| Reset Delay Time | 10 ms or 200 ms (selectable) | ms |
| RESET Output Type | Push-pull, active-low | |
| Manual Reset | Active-low logic input | |
| Package Options | 5-pin SOT23, 6-pin WSON | |
| Operating Temperature Range | –40°C to 85°C | °C |
| High-Level Output Voltage (VOH) | 0.8 × VDD | V |
| Low-Level Output Voltage (VOL) | 0.4 V | V |
Key Features
- Precision supply voltage supervision with a threshold voltage of 2.93 V (typical) for the TPS3836K33 variant.
- Low supply current of 220 nA (typical), making it suitable for low-power applications.
- Selectable reset delay time of either 10 ms or 200 ms, configurable via the CT pin.
- Push-pull, active-low RESET output that does not require a pullup resistor.
- Manual reset capability via the MR pin.
- Available in 5-pin SOT23 and 6-pin WSON packages.
- Operating temperature range of –40°C to 85°C.
Applications
- Low-power DSPs, microcontrollers, and microprocessors.
- Portable and battery-powered equipment.
- Intelligent instruments.
- Wireless communication systems.
- Notebook computers.
- Applications using the MSP430™ microcontroller.
Q & A
- What is the primary function of the TPS3836K33DBVRG4? The primary function is to provide supply voltage supervision and generate a reset signal when the supply voltage falls below a specified threshold.
- What are the possible reset delay times for the TPS3836K33DBVRG4? The reset delay times can be set to either 10 ms or 200 ms by connecting the CT pin to GND or VDD, respectively.
- What type of RESET output does the TPS3836K33DBVRG4 have? The TPS3836K33DBVRG4 has a push-pull, active-low RESET output.
- Does the TPS3836K33DBVRG4 require a pullup resistor for the RESET output? No, the push-pull RESET output does not require a pullup resistor.
- What is the typical supply current of the TPS3836K33DBVRG4? The typical supply current is 220 nA.
- What are the package options for the TPS3836K33DBVRG4? The device is available in 5-pin SOT23 and 6-pin WSON packages.
- What is the operating temperature range of the TPS3836K33DBVRG4? The operating temperature range is –40°C to 85°C.
- How is the manual reset feature activated on the TPS3836K33DBVRG4? The manual reset is activated by pulling the MR pin to logic low.
- What is the threshold voltage for the TPS3836K33 variant? The threshold voltage (VIT) for the TPS3836K33 variant is 2.93 V (typical).
- Can the TPS3836K33DBVRG4 be used in automotive systems? For automotive systems, the TPS383x-Q1 variant should be used instead.
