The three terminals ZXCM209/210 supervise the power supply circuit for the display to supply the microprocessor and digital system. They provide a high performance economical solution when used with 5V, 3V or lower supply circuits. Resets threshold supply voltages suitable for various operations. These devices provide a reset signal whenever the supply voltage falls below a preset thresh...
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The FAN5063 is an ACPI switch controller for Camino, Whitney and Tihama platforms. It is controlled by PWROK, SLP_S3 and SLP_S5, and provides 3.3V dual PCI and VADJ dual output SDRAM or Rambus with 200mA minimum base current for an external NPN transistor. The onboard precision low TC reference enables tight withstand voltage regulation without the nee...
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The LM3543 is a three-layer high-side power switch and is an excellent choice for use with rooted, self-powered and bus-powered USB (Universal Serial Bus) hubs. Independent ports enable, flag signals, alert the USB controller under error conditions, initiate control of hot-plug events, and short-circuit protection all compliant with USB specification requirements. The LM3543 acc...
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The MAX6819/MAX6820 Power Sequencing Dual-Voltage Microprocessors (µPs) and Multi-Voltage Systems. These devices monitor the main supply voltage and enable/disable external N-channel MOSFET switches for the auxiliary supply voltage. The MAX6819/MAX6820 control local component voltages when system power-on/power-off feature sequencing is not guaranteed (from supplyin...
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The SA56614-XX is a CMOS device that generates signals to reset various microprocessors and logic systems. An accurate reset signal is generated during momentary power interruptions, or when the supply voltage sags to intolerable levels. Several versions of the reset threshold of the device are available. A totem pole output topology is set up to provide current users with the ability ...
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This monolithic integrated circuit contains all the necessary functions to monitor and control the output of a complex power system. Overvoltage (OV) sensing provides a circuit that triggers an external SCR to "skid" shutdown, undervoltage (UV) it can be used to monitor the output or sample input voltage; a third op amp/comparator, current sense (CL ) available are included in this IC...
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The SP690A/692A/802L/802M/805L/805M is a family of microprocessor (MP) supervisory circuits that integrate the components involved in a myriad of discrete solutions, monitor powersupply battery control functions in MP and digital systems. This family of products will significantly improve system reliability and operational efficiency compared to discrete solutions. SP690A/692A/80...
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The TC1270 and TC1271 are cost-effective systems designed to monitor VCC's digital supervisory circuitry and provide a reset signal to the host processor. The manual reset input provides override reset monitoring and is suitable for use as a push-button reset. No external components are required. The reset output drives active within 20µsec (VCC for the 4µsecF version) across ...
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TL7700 is a reset controller used in microcomputer and bipolar integrated circuit design microprocessor system. The induced voltage can be set to any value greater than 0.5V using two external resistors. The hysteresis value of the detection voltage can also be set to the same resistance. The device includes an accurate voltage reference, relatively fast, timing generator and output drivers,...
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The purpose of the TPS3510/1 is to minimize the external components of a personal computer switching power supply system. It provides protection circuitry, power good indicator, fault protected output (FPO) and PSON control. Over Voltage Protection (OVP) displays are 3.3 V, 5 V and 12 V (12 V signal detected via VDD pin). Undervoltage protection (UVP) monitors 3.3 V a...
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The TS803R is a microprocessor (μP) supervisory circuit for monitoring the power supply of μP and digital systems. They provide excellent circuit reliability by reducing external components and trimming the use of 5 V, +3.3 V, and +3.0 V powered circuits at low cost. These circuits perform a single function: whenever they assert the reset signal, the VCC supply voltage falls below ...
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