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MAX6427 - Low-Power / Single/Dual-Level Battery Monitors

General Description

The MAX6427

MAX6438 are single/dual-level battery monitors with internal hysteresis.

Key Features

  • o Factory-Trimmed or User-Adjustable Threshold Options Factory-Trimmed Low Thresholds from 1.6V to 2.1V or 2.6V to 3.1V in 100mV Increments (MAX6427.
  • MAX6432) Factory-Trimmed High Thresholds from 2.3V to 2.6V or 3.3V to 3.6V in 100mV Increments (MAX6427.
  • MAX6432) User-Adjustable Low/High Thresholds with 615mV Internal Reference (MAX6433.
  • MAX6438) o Low Current (1µA, typ) o Single or Dual Low-Battery Outputs o Push-Pull LBO, Open-Drain LBO, and Open-Drain LBO Options o 140ms.

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📁 Similar Datasheet

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX642 Fixed Output 10W CMOS Step-Up Switching Regulators
MAX6420 Single/Dual-Voltage uP Reset Circuits
MAX6428 Low-Power / Single/Dual-Level Battery Monitors
MAX6429 Low-Power / Single/Dual-Level Battery Monitors
MAX640 Step-Down DC-DC Converters

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2323; Rev 1; 9/03 Low-Power, Single/Dual-Level Battery Monitors with Hysteresis General Description The MAX6427–MAX6438 are single/dual-level battery monitors with internal hysteresis. These devices are offered with single (MAX6427/MAX6428/MAX6429, MAX6433/ MAX6434/MAX6435) or dual (MAX6430/MAX6431/ MAX6432, MAX6436/MAX6437/MAX6438) low-battery output indicators, which can be used to indicate three battery conditions: battery is good (operate system in normal mode), battery is weak (operate system in low-power mode), or battery is empty (disable the system). These devices are ideal for monitoring single lithium-ion (Li+) cells or multicell alkaline/NiCd/NiMH power supplies. When the power-supply voltage drops below the specified low threshold, the low-battery output asserts.