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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 MAX6429PTUR+T is a low-power, single-level battery monitor with internal hysteresis, manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1.0V to 5.5V and consumes typical quiescent current of 1µA. The device features a factory-trimmed low-battery output threshold of 2.9V with a minimum timeout period of 140ms to ensure stable logic states. It is housed in an SOT-23-3 package and is specified over an industrial temperature range.
Feature Summary
- Provides a single low-battery output indicator for monitoring power supply conditions
- Incorporates internal hysteresis to prevent output oscillation during voltage transitions
- Includes a guaranteed minimum timeout period to stabilize system activity before assertion
Applications
- Monitoring single lithium-ion cells
- Monitoring multicell alkaline power supplies
- Monitoring NiCd/NiMH power supplies
Procurement Notes
Verify the specific suffix 'PTUR' against official manufacturer documentation to confirm pinout, threshold tolerance, and tape-and-reel specifications. Ensure compatibility with the required operating temperature range and packaging format for your assembly process.
Selection Notes
Select this component when a single low-battery warning is sufficient for system management. Consider the MAX6427/MAX6428 series if dual-level monitoring is required, or the MAX6433–MAX6438 series if user-adjustable thresholds are necessary instead of fixed factory-trimmed values.
Part Context
This part belongs to the MAX6427–MAX6438 family of battery monitors. These devices are designed to indicate three battery conditions: good, weak, or empty. The family supports both single and dual-output configurations and is available in small SOT-23 and SOT-143 packages.
Replacement Considerations
Direct substitutes within the same family include MAX6427EJUR+T and MAX6428EJUR+T, which share similar low-power characteristics but may differ in threshold voltages or output configuration.
