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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 MAX6429NSUR+T is a low-power, single-level battery monitor with internal hysteresis. It operates within an ambient temperature range of -40°C to +85°C and is housed in a SOT-23-3 package. The device functions as a power supply support circuit for monitoring single-cell batteries.
Feature Summary
- Provides single low-battery output indication with internal hysteresis
- Supports multi-chemistry battery types including lithium-ion, alkaline, NiCd, and NiMH
- Includes minimum timeout period to ensure supply voltage stabilization before system enablement
Applications
- Monitoring single lithium-ion cells
- Monitoring multicell alkaline power supplies
- Monitoring multicell NiCd/NiMH power supplies
Procurement Notes
Verify component status carefully as the MAX6429NSUR+T is listed as obsolete by Analog Devices Inc./Maxim Integrated. Confirm availability through authorized distributors or secondary market sources. Ensure the specific suffix matches required packaging and compliance standards. Check for end-of-life notifications that may impact long-term supply stability.
Selection Notes
Select this component when a single threshold battery monitor with hysteresis is required for portable devices. It is suitable for applications needing simple low-battery detection across various chemistries. Consider the SOT-23-3 footprint constraints and operating temperature range limits during design integration.
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 MAX6429 variant specifically offers a single low-battery output indicator, distinguishing it from dual-level counterparts in the same series.
FAQ
What is the purpose of the internal hysteresis in the MAX6429NSUR+T?
Internal hysteresis prevents output chatter when the supply voltage fluctuates near the threshold, ensuring stable operation.
How does the device handle voltage stabilization?
It includes a minimum timeout period after the voltage rises above the high threshold before deasserting the low-battery output.
