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Product Detailed Parameters
- Description：IC BATT MON MULT-CHEM 1C SOT23-6
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- 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：SOT-23-6
- Supplier Device Package：SOT-6
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Overview
The MAX6439UTEHRD3+T is an ultra-low-power single battery monitor housed in a SOT-23-6 surface-mount package. It operates within a supply voltage range of 1 V to 5.5 V and supports an industrial temperature range from -40°C to +85°C. This component integrates microprocessor reset supervision with factory-trimmed thresholds for alkaline, NiCd, NiMH, and lithium-ion chemistries.
Feature Summary
- Integrates low-battery monitoring with hysteresis and independent microprocessor supervisor functions
- Provides active-low reset output with manual push-button reset capability
- Requires no external components due to factory-trimmed threshold settings
Applications
- Single-cell lithium-ion battery systems
- Multicell alkaline battery applications
- NiCd and NiMH battery management circuits
Procurement Notes
Verify the specific suffix RD3 against official Analog Devices documentation to confirm exact threshold configurations. Confirm RoHS compliance status directly with the manufacturer or authorized distributors. Ensure the SOT-23-6 package dimensions match your PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this device when system design requires integrated battery monitoring and processor reset functionality without external components. The fixed factory-trimmed thresholds suit applications where precise programmability is unnecessary. Consider the SOT-23-6 package size constraints and the specified operating voltage range during circuit architecture planning.
Part Context
This part belongs to the MAX6439–MAX6442 family of low-power battery monitors. These devices are designed to signal battery status levels while simultaneously supervising the microprocessor supply voltage. The family offers various threshold combinations optimized for different battery chemistries and system power management strategies.
Replacement Considerations
Cross-reference other MAX6439 variants with different suffixes if alternative threshold voltages are required. Verify that substitute parts maintain identical SOT-23-6 pinout compatibility and electrical specifications for direct replacement.
