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TPS3824-33DBVR from TI,Texas Instruments

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TPS3824-33DBVR

Manufacturer: TI, TEXAS

25

Partnumber Manufacturer Quantity Availability
TPS3824-33DBVR,TPS382433DBVR TI, TEXAS 28212 In Stock

Description and Introduction

25 The TPS3824-33DBVR is a voltage supervisor from Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Part Number:** TPS3824-33DBVR  
- **Manufacturer:** Texas Instruments  
- **Type:** Voltage Supervisor/Monitor  
- **Output Type:** Active-Low, Push-Pull  
- **Threshold Voltage:** 3.3V (Fixed)  
- **Accuracy:** ±1.5%  
- **Operating Voltage Range:** 1.5V to 6.5V  
- **Reset Timeout Period:** Adjustable via external capacitor (default 200ms)  
- **Quiescent Current:** 3.5µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (DBV)  

### **Descriptions:**  
The TPS3824-33DBVR is a low-power voltage supervisor designed to monitor system voltages in battery-powered and embedded applications. It provides a reset signal to the host processor when the supply voltage drops below the preset threshold (3.3V).  

### **Features:**  
- Ultra-low quiescent current (3.5µA typical)  
- Fixed threshold voltage (3.3V) with high accuracy (±1.5%)  
- Adjustable reset delay time via external capacitor  
- Push-pull active-low reset output  
- Immune to short voltage transients  
- Small SOT-23-5 package for space-constrained applications  
- Wide operating voltage range (1.5V to 6.5V)  
- Industrial temperature range (-40°C to +125°C)  

This device is commonly used in microcontrollers, DSPs, and FPGA-based systems to ensure proper power-on and brownout reset functionality.

Application Scenarios & Design Considerations

25

Alternative Part Number

  • MAX6746KA33+T --: Supervisory circuit with 3.3V threshold and manual reset, functionally similar to the TPS3824-33 in a small SOT-23 package.
  • ADM6320CY29ARJZ-R7 --: Voltage supervisor with reset output and watchdog, comparable 3.3V monitoring function and low power consumption.
  • MCP1316MT-33AE/OT --: 3.3V voltage supervisor with manual reset input in SOT-23, offering similar reset timing and low quiescent current.
  • MAX6746KA29+T --: Supervisory circuit with similar reset threshold and watchdog function, pin-compatible SOT-23 package, widely used as a direct substitute for TI TPS382x family.
  • ADM6316CY29ARJZ-R7 --: Voltage supervisor with 2.93V threshold and manual reset, SOT-23-5 package, functionally equivalent to TPS3824-33 in reset and watchdog applications.
  • MCP1316MT-29FE/OT --: Low-power voltage supervisor with watchdog timer and 2.9V threshold in SOT-23-5, offering comparable reset timing and a different series naming for easy distinction.

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