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Product Detailed Parameters
- Description：IC BATT MON MULT-CHEM 1C SOT23-3
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Function：Battery Monitor
- Battery Chemistry：Multi-Chemistry
- Number of Cells：1
- Fault Protection：-
- Interface：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The MAX6429KQUR+T is a low-power, single-level battery monitor featuring internal hysteresis. It operates within a supply voltage range of 1V to 6V and draws a typical quiescent current of 1µA. The device provides a low-battery output (LBO) that asserts when the input voltage drops below a factory-trimmed threshold and deasserts upon rising above a higher threshold. A minimum timeout period ensures stable logic states before system activity resumes.
Feature Summary
- Provides a single low-battery output indicator for monitoring power supply conditions
- Features internal hysteresis to prevent output oscillation during voltage transitions
- Includes a minimum timeout period to guarantee valid logic states before enabling system activity
Applications
- Monitoring single lithium-ion cells
- Monitoring multicell alkaline power supplies
- Monitoring NiCd or NiMH battery packs
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm package integrity and pin alignment against datasheet specifications. Ensure storage conditions comply with moisture sensitivity level requirements. Check for lead-free compliance documentation prior to assembly integration.
Selection Notes
Select this component for applications requiring minimal quiescent current consumption in battery-powered systems. Consider the fixed factory-trimmed threshold options available within the family. Evaluate the SOT-23-3 package constraints for space-limited designs. Verify operating temperature range compatibility with the target environment.
Part Context
This part belongs to the MAX6427–MAX6438 family of low-power battery monitors. These devices are designed to indicate three battery conditions: good, weak, or empty. The family offers both single and dual-output variants with varying threshold configurations to suit different monitoring requirements.
Replacement Considerations
Compatible substitutes include MAX6427, MAX6428, MAX6430, MAX6431, MAX6432, MAX6433, MAX6434, MAX6435, MAX6436, MAX6437, and MAX6438. Verify specific threshold voltages and output types when substituting.
