TPS3808G50QDBVRQ1 - Texas Instruments High-Performance IC Supervisor | Features & Applications
TPS3808G50QDBVRQ1: Texas Instruments' Premium Voltage Supervisor IC for Mission-Critical Applications
The TPS3808G50QDBVRQ1 represents Texas Instruments' cutting-edge solution for precision power management in modern electronic systems. This automotive-grade (Q1-qualified) voltage supervisor IC delivers unmatched reliability for applications where power integrity is non-negotiable. Engineered with TI's renowned quality standards, this device has become the go-to choice for engineers designing robust power monitoring systems across industries.
In-Depth Technical Specifications
Precision Voltage Monitoring
- 4.65V Threshold Accuracy: 1.5% threshold accuracy ensures precise monitoring of 5V power rails
- Adjustable Hysteresis: 100mV typical hysteresis prevents false triggering during noisy power transitions
- Ultra-Low Quiescent Current: Consumes only 3.5 A typical current for power-sensitive applications
Advanced Reset Management
- Programmable Reset Delay: Adjustable timeout from 1ms to 10s via external capacitor
- Open-Drain Reset Output: Supports 5V/3.3V systems with 5.5V absolute maximum rating
- Manual Reset Capability: Optional pushbutton reset input for system debugging
Robust Physical Characteristics
- Extended Temperature Range: -40 C to +125 C operation (TJ) for harsh environments
- Compact SOT-23-6 Package: 2.9mm 1.6mm footprint saves valuable PCB space
- ESD Protection: 2kV HBM protection enhances system reliability
Comprehensive Application Guide
Automotive Electronics
The TPS3808G50QDBVRQ1's AEC-Q100 qualification makes it ideal for: - ECU power monitoring - Advanced driver assistance systems (ADAS) - Automotive infotainment power sequencing
Industrial Control Systems
Critical features for industrial applications include: - PLC power supply supervision - Motor control unit monitoring - Harsh environment IoT edge devices
Consumer Electronics
Optimized for: - Smart home controller power management - Wearable device battery monitoring - Set-top box power sequencing
Design Considerations
Layout Best Practices
- Place decoupling capacitors within 5mm of VDD pin
- Use 1-10 F ceramic capacitor for optimal noise immunity
- Minimize trace length to reset output for signal integrity
Timing Configuration
The reset timeout period (tD) can be calculated as: tD = 1.2 10^6 CT Where CT is the timing capacitor value in Farads
Comparative Advantages
| Feature | TPS3808G50QDBVRQ1 | Competitor A |
|---|---|---|
| Threshold Accuracy | 1.5% | 2.5% |
| Quiescent Current | 3.5 A | 5 A |
| Package Size | SOT-23-6 | SOT-143 |
| Temperature Range | -40 C to +125 C | -40 C to +85 C |
Purchasing & Support
Available through Texas Instruments' authorized distributors: - Sample quantities: 24-hour shipment - Production volumes: 8-week lead time - Reference designs and evaluation modules available For complete design resources including SPICE models, IBIS models, and application notes, visit Texas Instruments' official product page.
Conclusion
The TPS3808G50QDBVRQ1 sets a new benchmark for voltage supervisor ICs with its exceptional accuracy, ultra-low power consumption, and automotive-grade reliability. Its combination of programmable features and robust construction makes it the optimal choice for designers working on: - ASIL-compliant automotive systems - Industrial IoT devices requiring long-term reliability - Space-constrained consumer electronics Engineers can trust this TI supervisor IC to deliver consistent performance throughout the product lifecycle, reducing field failures and warranty claims. For your next power management design, specify the TPS3808G50QDBVRQ1 and benefit from Texas Instruments' engineering excellence.