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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 MAX6429OSUR+T is a low-power, single-level battery monitor with internal hysteresis. It operates within a supply voltage range of 1.6 V to 5.5 V and functions across an industrial temperature range of -40°C to +85°C. The device is housed in a compact SOT-23-3 surface-mount package. It provides a low-battery output that asserts when the supply voltage drops below a specified threshold and deasserts after rising above a high threshold for a minimum timeout period of 140ms.
Feature Summary
- Provides a low-battery output indicator to signal three distinct battery conditions: good, weak, or empty.
- Features internal hysteresis to prevent output oscillation during voltage transitions.
- Includes a minimum 140ms timeout period to ensure supply voltage stabilization before enabling system activity.
Applications
- Monitoring single lithium-ion (Li+) cells
- Monitoring multicell alkaline power supplies
- Monitoring NiCd/NiMH power supplies
Procurement Notes
Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm RoHS compliance status via official documentation. Check current availability as distribution may vary by region. Ensure proper handling procedures are followed for the SMD/SMT package type during assembly.
Selection Notes
Select this component for applications requiring reliable single-cell battery monitoring with minimal external components. The integrated hysteresis and fixed timeout simplify circuit design compared to discrete solutions. Consider the operating voltage range and package size constraints when integrating into portable electronic devices.
Part Context
This part belongs to the MAX6427–MAX6438 family of single/dual-level battery monitors. These devices are designed for multi-chemistry battery systems, offering options for single or dual low-battery output indicators. The family supports various monitoring thresholds to accommodate different battery chemistries and system requirements.
Replacement Considerations
Compatible substitutes within the same family include MAX6427, MAX6428, MAX6429, MAX6433, MAX6434, and MAX6435. Verify specific threshold voltages and pin compatibility before substitution.
