MAX6439UTK PDF Datasheet


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Description

This is Low-Power / Single-/Dual-Level Battery Monitors with Hysteresis and Integrated P Reset. 19-2535; Rev 0; 7, 02 Low-Power, Single-, Dual-Level Battery Monitors with Hysteresis and Integrated P Reset General Description The MAX6439 MAX6442 are a family of ultra-low-power battery monitors with integrated microprocessor ( P) supervisors. The battery monitors are offered with single or dual low-battery output options that can be used to signal when the battery is OK (enabling full system operation), when the battery is low (for low-power system operation), and when the battery is dead (to disable system operation). These devices also have an independent P supervisor that monitors VCC and provides an active-low reset output. A manual reset function is available to reset the P with a push-button. No external components are required. The MAX6439 MAX6442 are offered with several factory-trimmed low-battery threshold combinations ideal for single-cell lithium-ion (Li+) or multicell alkaline, NiCd, NiMH applications. When the battery voltage drops below each specified low thresh.