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TPS3820-50DBVR from TI,Texas Instruments

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TPS3820-50DBVR

Manufacturer: TI

33
Partnumber Manufacturer Quantity Availability
TPS3820-50DBVR,TPS382050DBVR TI 28071 In Stock

Description and Introduction

33 The TPS3820-50DBVR is a voltage supervisor from Texas Instruments (TI).  

### **Manufacturer:**  
Texas Instruments (TI)  

### **Specifications:**  
- **Part Number:** TPS3820-50DBVR  
- **Type:** Voltage Supervisor/Monitor  
- **Threshold Voltage:** 4.63V (for TPS3820-50 variant)  
- **Supply Voltage Range:** 1.7V to 6.5V  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (DBV)  

### **Descriptions:**  
The TPS3820-50DBVR is a low-power voltage supervisor that monitors the supply voltage and provides a reset signal when the voltage drops below a preset threshold. It ensures proper system initialization and operation by holding the microcontroller in reset until the supply voltage stabilizes.  

### **Features:**  
- Low quiescent current (1.5µA typical)  
- Precision voltage monitoring  
- Manual reset input (MR) for external control  
- Power-on reset generator with fixed delay  
- Immune to short voltage transients  
- Available in multiple threshold options  
- Small SOT-23-5 package  

For more details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

33

Alternative Part Number

  • MAX6746KA29+T --: Supervisory circuit with similar reset and watchdog functions in a small SOT-23 package; a common cross for TI TPS382x supervisors.
  • APX803L-50SA-7 --: Low-cost voltage supervisor with 5.0V threshold and reset output, pin-compatible SOT-23 alternative for supply monitoring.
  • MCP1316T-50CE/OT --: 5.0V voltage supervisor with active-low reset in SOT-23, offering comparable functionality for reset and watchdog applications.
  • MAX6746KA-T --: Supervisory circuit with similar reset and watchdog functions; check threshold and package compatibility.
  • ADM6315-50D2ARJZ-R7 --: Voltage supervisor with 5V threshold and reset output, functionally comparable to the TPS3820 series.
  • MCP1316T-50DI/TO --: Low-power voltage supervisor with 5V trip point and reset output, suitable as a functional substitute.

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