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RFQ ListingEmbedded Processors & Controllers
The TPS3850G33QDRCRQ1 is an automotive-grade (AEC-Q100) precision voltage supervisor combining undervoltage/overvoltage monitoring with a programmable window watchdog timer. It monitors a fixed 3.3 V threshold with ±1% accuracy and runs from a 1.6 V to 6.5 V supply, making it a compact safety monitor for automotive and industrial power rails that need both reset and watchdog coverage in a single 10-pin VSON package.
ManufacturerTexas Instruments
Package10-VSON (DRC), 3.00 × 3.00 mm
SeriesTPS3850-Q1
MCU / Processor Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | Window voltage supervisor with programmable window watchdog timer; undervoltage (UV) and overvoltage (OV) monitoring; separate VDD & SENSE pins; programmable reset delay |
| Input Voltage | 1.6 V to 6.5 V (VDD supply range) |
| Output Voltage | Active-low open-drain RESET; VOL ≤ 0.4 V at 1 mA sink, referenced to VDD; 3.3 V fixed SENSE threshold (G33 variant) |
| Threshold Voltage | 3.3 V (VIT, factory-trimmed fixed threshold) |
| Reset Threshold Accuracy | ±1% |
| Quiescent Current | 10 µA (typ, Iq) |
| Reset Delay | Programmable 10 ms or 200 ms reset timeout |
| Watchdog Timer | Programmable window watchdog set by external CWD capacitor; watchdog-disable supported |
| Output Driver Type | Active-low, open-drain RESET |
| Operating Temperature | -40 °C to 125 °C |
| Package / Case | 10-VSON (DRC), 3.00 × 3.00 mm |
Embedded Processor Features & Applications
- Automotive AEC-Q100 qualified window supervisor for OV and UV rail monitoring.
- Fixed 3.3 V SENSE threshold (G33) trimmed to ±1% accuracy.
- Programmable window watchdog timer configured via a single external CWD capacitor.
- Separate VDD and SENSE pins allow monitoring of a higher-voltage rail from a low VDD.
- Low 10 µA typical quiescent current supports always-on safety monitoring.
- Selectable 10 ms / 200 ms reset delay and watchdog-disable mode for flexible power-up sequencing.
- Operates from 1.6 V to 6.5 V supply in a compact 10-pin VSON (DRC), 3.00 × 3.00 mm package.
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Frequently Asked Questions
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