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TPS3805H33DCKRG4 from TI,Texas Instruments

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TPS3805H33DCKRG4

Manufacturer: TI, TEXAS

Dual Voltage Detector 5-SC70 -40 to 85

Partnumber Manufacturer Quantity Availability
TPS3805H33DCKRG4 TI, TEXAS 2022 In Stock

Description and Introduction

Dual Voltage Detector 5-SC70 -40 to 85 The TPS3805H33DCKRG4 is a voltage supervisor (or reset IC) manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 1.8V to 6.5V  
- **Threshold Voltage Options:** 3.3V (fixed)  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Quiescent Current:** 1.6µA (typical)  
- **Output Type:** Active-low, open-drain  
- **Reset Timeout Period:** Adjustable (via external capacitor) or fixed (200ms typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SC-70 (DCK), 5-pin  

### **Descriptions:**  
- The TPS3805H33DCKRG4 monitors voltage levels and provides a reset signal to microcontrollers or processors when the supply voltage falls below a preset threshold.  
- It features an ultra-low quiescent current, making it suitable for battery-powered applications.  
- The open-drain output allows flexibility in interfacing with different logic levels.  

### **Features:**  
- Ultra-low power consumption  
- Adjustable or fixed reset delay  
- Precision voltage monitoring  
- Small form factor (SC-70 package)  
- Wide operating voltage range (1.8V to 6.5V)  
- Industrial temperature range support  

This device is commonly used in embedded systems, battery-powered devices, and industrial applications requiring reliable power-on reset functionality.

Application Scenarios & Design Considerations

Dual Voltage Detector 5-SC70 -40 to 85

Alternative Part Number

  • MAX6374KA+T --: Supervisory circuit with 3.3V monitoring and manual reset, functionally similar to the TPS3805H33 in a small SOT-23 package.
  • APX803L-33SA-7 --: 3.3V voltage supervisor with active-low reset output, low cost and widely available alternative in SOT-23.
  • MCP131T-330E/TO --: 3.3V reset supervisor with active-low push-pull output, suitable drop-in functional replacement for supply monitoring.

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