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The TPS37044A4OGDDFRQ1 is a low-power precision window voltage monitor that can be configured with four channels. Threshold accuracy is ±1% for each channel. Available in a compact SOT-23 package for a small footprint solution, the TPS37044A4OGDDFRQ1 supports accurate threshold detection with high resolution, making it ideal for systems with low-voltage supply rails and very small supply tolerance margins. The built-in low threshold hysteresis and fixed reset delay (tD selectable from 20µs to 1200ms) prevent spurious reset signals when monitoring multiple voltage rails.

Features

- Complies with AEC-Q100 for automotive applications

- Device Temperature Class 1: -40°C to +125°C operating temperature range

- Device HBM ESD Classification 2

- Device CDM ESD Classification C7B

- Designed for high performance and safety:

- Input current (4 channels): IDD = 15μA (upper limit)

- High threshold accuracy: ±0.25% typical, ±1% max.

- Built-in precision hysteresis: VHYS (VIT > 800mV) = 0.75% (typical)

- Functional safety compliant

- Developed for functional safety applications

- Documentation to aid in ISO 26262 system design

- System meets ASIL D requirements

- Hardware meets ASIL A requirements

- Self-testing - manual setup

- Suitable for a wide range of applications:

- Input voltage range: VDD = 1.7V to 6V

- Quad, triple, dual or single channel voltage monitor

- Highly configurable per channel

- Window (OV, UV): UV only, OV only options

- Window tolerance: ±3 to ±11 percent

- High threshold resolution: VIT ≤ 0.8V: 20mV step VIT >0.8V: 0.5% or the lesser of 20mV step

- Pushbutton monitors on all channels

- Reset Delay Time (tD): Fixed delay time options

- Options: 23 fixed time options ranging from 20µs (lower limit) to 1200ms (upper limit)

Applications

- Advanced Driver Assistance Systems (ADAS)

- Automotive infotainment systems and instrument clusters

- Hybrid/electric vehicles

- Body electronics and lighting

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.