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Analog Devices Inc./Maxim Integrated MAX6375XR26-T
- Part No.:
- MAX6375XR26-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SC-70, SOT-323
- Datasheet:
-
MAX6375XR26-T.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,187
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Product details
Overview
MAX6375XR26-T from Maxim Integrated is an ultra-low-power, active-low voltage detector in SC70-3 package, with factory-trimmed 2.63V threshold (±2.5% over temperature), 500nA supply current, and push-pull output. It monitors VCC supply voltage in portable battery-powered systems and asserts a logic-low signal when voltage drops below threshold - used for reset generation and brownout detection in microcontroller-based devices.
For engineers reviewing the MAX6375XR26-T datasheet, MAX6375XR26-T pinout, MAX6375XR26-T application, or MAX6375XR26-T equivalent, this device serves as a precision, low-quiescent-current reset supervisor for space-constrained, battery-sensitive designs requiring stable 2.63V trip point and guaranteed operation down to 1V VCC.
Technical Context
The MAX6375XR26-T implements a precision bandgap reference and comparator with internally trimmed resistors to set its 2.63V threshold. Its push-pull output drives low actively without external pull-up, and it ignores fast transients on VCC via built-in immunity circuitry.
It operates across -40°C to +85°C with ±2.5% threshold accuracy, 20µs propagation delay (falling edge), and 100mV hysteresis. The device draws only 500nA at 25°C and remains functional down to 1V VCC, ensuring reliable reset assertion during deep brownout conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.63V nominal (2.564V to 2.696V over -40°C to +85°C) - sets precise brownout detection point for 2.7–2.8V Li-ion or regulated 3.0V rails. |
| Supply Current | 500nA typical at +25°C - enables multi-year battery life in always-on monitoring applications like IoT sensors and wearables. |
| Output Type | Active-low push-pull - eliminates need for external pull-up resistor and supports direct interface to MCU reset inputs. |
| Propagation Delay | 20µs (falling edge, VOD = 100mV) - ensures timely reset assertion without excessive delay during rapid supply collapse. |
| Operating Voltage Range | 1.2V to 5.5V VCC - guarantees correct output state even during deep undervoltage, supporting wide input rail flexibility. |
| Threshold Accuracy | ±2.5% over temperature - reduces system-level margin requirements and avoids unnecessary voltage headroom. |
| Hysteresis | 100mV - prevents chatter during slow or noisy supply recovery near trip point. |
Pinout & Package
MAX6375XR26-T is housed in a 3-pin SC70-3 package (2.0mm × 1.25mm × 0.95mm), optimized for ultra-compact PCB layouts in portable electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Ground reference for internal bandgap and comparator - must be connected directly to system ground plane for noise immunity. |
| 2 | OUT | Active-low push-pull output - sinks current when VCC < VTH; drives logic-low reset signal directly to µC without pull-up. |
| 3 | VCC | Supply input - monitors this rail; device operates correctly down to 1.2V and asserts output reliably down to 1V. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 500nA enables >10-year battery life in coin-cell-powered devices with monthly wake-ups. |
| Precision factory-trimmed threshold | 2.63V ±2.5% eliminates manual calibration and external resistor networks for consistent reset behavior. |
| Push-pull active-low output | Directly drives standard CMOS reset inputs without external components or level-shifting. |
| VCC transient immunity | Rejects glitches ≤200µs (at 100mV overdrive), preventing false resets during switching noise or load transients. |
| Guaranteed operation down to 1V VCC | Ensures valid reset assertion even during severe brownout, supporting robust power-fail sequencing. |
Applications
| Portable Medical Sensors | Wearable Fitness Trackers |
|---|---|
|
Use Scenario: Continuous ECG/PPG monitoring powered by CR2032 coin cell with intermittent BLE transmission. IC Role / Device Role / Timing Role: Voltage detector providing brownout reset to ARM Cortex-M0+ MCU when battery voltage falls below 2.63V. Use Value: Prevents data corruption and flash write errors during low-battery operation while extending usable battery life via 500nA quiescent draw. |
Use Scenario: Activity tracker with accelerometer, optical heart-rate sensor, and Bluetooth LE radio operating from single-cell Li-ion. IC Role / Device Role / Timing Role: Supervisory IC asserting active-low reset to ensure clean MCU restart before supply collapses below safe operating range. Use Value: Eliminates need for discrete resistor-divider + comparator solution, saving 1.5mm² board area and reducing BOM count by two components. |
| Smart Home Sensor Nodes | Industrial Data Loggers |
|
Use Scenario: Battery-backed temperature/humidity node deployed in remote locations with 10-year field life requirement. IC Role / Device Role / Timing Role: Precision reset supervisor monitoring regulated 3.0V rail derived from buck converter fed by primary alkaline cells. Use Value: ±2.5% threshold accuracy over temperature avoids overdesigning battery cutoff voltage, increasing usable capacity by ~8%. |
Use Scenario: Ruggedized environmental logger using supercapacitor backup and isolated RS-485 interface. IC Role / Device Role / Timing Role: Brownout detector triggering controlled shutdown sequence when main 3.3V supply dips due to capacitor discharge. Use Value: 20µs propagation delay ensures deterministic reset timing, enabling reliable EEPROM save-before-power-loss routines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage detector applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV803EC26DBVR | 2.63V threshold, 350nA supply current, SOT-23-3 package, open-drain output. | Requires external pull-up resistor; lower ICC but lacks push-pull drive strength for direct MCU reset. | Select when lowest possible current dominates and system already includes pull-up; not drop-in for MAX6375XR26-T's push-pull interface. |
| APX803S-26SA-7 | 2.63V threshold, 600nA supply current, SOT-23-3, active-low push-pull, ±2% accuracy. | Narrower temp range (−40°C to +85°C same), slightly tighter accuracy, but no transient immunity spec provided. | Consider for cost-sensitive designs where transient rejection is less critical and tighter threshold tolerance is prioritized. |
Compared with TLV803EC26DBVR and APX803S-26SA-7, the MAX6375XR26-T uniquely combines 500nA current, guaranteed 1V operation, documented transient immunity, and SC70-3 footprint - making it optimal for ultra-small, battery-critical applications demanding proven reliability under noisy supply conditions.
Availability
MAX6375XR26-T is available at Aetrix Electronics and suitable for portable medical sensors, wearable fitness trackers, and smart home sensor nodes requiring stable component supply, long-term lifecycle support, and tape-and-reel delivery for automated assembly.
Supply support for MAX6375XR26-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for power, sensing, and connectivity in constrained environments.
The MAX6375–MAX6380 family was engineered specifically for ultra-low-power voltage supervision in battery-operated equipment, emphasizing minimal current draw, small footprint, and high threshold accuracy without external components.
FAQ
What is the exact reset threshold voltage of the MAX6375XR26-T?
The MAX6375XR26-T has a factory-trimmed nominal reset threshold of 2.63V, with guaranteed limits of 2.564V (minimum) and 2.696V (maximum) across the full −40°C to +85°C operating temperature range, per Maxim's datasheet Table 1.
Does the MAX6375XR26-T require an external pull-up resistor on its output?
No, the MAX6375XR26-T features an active-low push-pull output, meaning it actively drives the OUT pin low when VCC falls below 2.63V and high-impedance otherwise - no external pull-up is needed, unlike open-drain alternatives such as the MAX6377XR26-T.
What is the supply current consumption of the MAX6375XR26-T at room temperature?
The MAX6375XR26-T draws 500nA typical supply current at +25°C, as specified in the Electrical Characteristics table. This ultra-low quiescent current is maintained across its full operating voltage range (1.2V to 5.5V), enabling multi-year operation on small batteries.
Can the MAX6375XR26-T operate reliably when VCC drops below 2.0V?
Yes - the MAX6375XR26-T is guaranteed to maintain correct output logic state (active-low when below threshold) down to VCC = 1.0V, per the Absolute Maximum Ratings and Electrical Characteristics sections, making it suitable for deep brownout detection scenarios.
What package type and dimensions does the MAX6375XR26-T use?
The MAX6375XR26-T uses the SC70-3 package: 2.0mm × 1.25mm × 0.95mm body size with gull-wing leads. Pin 1 is GND, Pin 2 is OUT, and Pin 3 is VCC - matching the top-mark "ACZ" shown in Maxim's Selector Guide.
MAX6375XR26-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Voltage Detector
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.63V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-3
MAX6375XR26-T FAQ
1.How can I place an order for MAX6375XR26-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6375XR26-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX6375XR26-T reliable?
The price and inventory of MAX6375XR26-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6375XR26-T is usually 5 days.
3.What payment methods are accepted for MAX6375XR26-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6375XR26-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6375XR26-T?
MAX6375XR26-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6375XR26-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX6375XR26-T?
For technical support, including MAX6375XR26-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6375XR26-T requirements.
6.How does Aetrix verify that MAX6375XR26-T is sourced from the original manufacturer or authorized distributors?
All MAX6375XR26-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX6375XR26-T meets industry standards.
7.What is the process for return or replacement of MAX6375XR26-T?
All MAX6375XR26-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6375XR26-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX6375XR26-T part is unused and in its original packaging.
Return procedure for MAX6375XR26-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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