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Part Name(s) : MC33160DW MC33160P MC34160DW MC34160P MC33160 MC34160 Motorola
Motorola => Freescale
Description : Microprocessor Voltage Regulator And Supervisory Circuit View

The MC34160 Series is a voltage regulator and Supervisory Circuit containing many of the necessary monitoring functions required in microprocessor based systems. It is specifically designed for appliance and industrial applications, offering the designer a cost effective solution with minimal external components.
   
• 5.0 V Regulator Output Current in Excess of 100 mA
• Internal Short Circuit Current Limiting
• Pinned Out 2.6 V Reference
• Low Voltage Reset Comparator
• Power Warning Comparator with Programmable Hysteresis
• Uncommitted Comparator
• Low Standby Current
• Internal Thermal Shutdown Protection
• Heat Tab Power Package
   

Part Name(s) : MC3425 MC3425P1 Motorola
Motorola => Freescale
Description : Power supply Supervisory/over and undervoltage protection Circuit View

The MC3425 is a power supply Supervisory Circuit containing all the necessary functions required to monitor over and undervoltage fault conditions. These integrated Circuits contain dedicated over and undervoltage sensing channels with independently programmable time delays. The overvoltage channel has a high current Drive Output for use in conjunction with an external SCR Crowbar for shutdown. The undervoltage channel input comparator has hysteresis which is externally programmable, and an open–collector output for fault indication.





•Dedicated Over and Undervoltage Sensing

•Programmable Hysteresis of Undervoltage Comparator

•Internal 2.5 V Reference

•300 mA Overvoltage Drive Output

•30 mA Undervoltage Indicator Output

•Programmable Time Delays

•4.5 V to 40 V Operation


Part Name(s) : ADM6384YKS17D3Z-R7 ADI
Analog Devices
Description : Microprocessor Supervisory Circuit in 4-Lead SC70 View

GENERAL DESCRIPTION
The ADM6384 is a Supervisory Circuit that monitors power supply voltage levels in microprocessor-based systems. A power-on reset signal is generated when the supply voltage rises to a preset threshold level. The debounced manual reset input of the ADM6384 can be used to initiate a reset by means of an external push button or logic signal.

FEATURES
    Precision power supply monitoring
    31 reset threshold options: 1.58 V to 5.0 V
    Four reset timeouts: 1 ms, 20 ms, 140 ms, and 1120 ms
    Manual reset input
    Reset output stage
    Push pull active low
    Guaranteed reset output valid to VCC = 1 V
    Power supply glitch immunity
    Specified over the −40°C to +125°C temperature range
    4-lead SC70 package

APPLICATIONS
    Microprocessor systems
    Computers
    Controllers
    Intelligent instruments
    Portable equipment

Part Name(s) : SMS2902 SMS2904 SMS2916 SMS2902S SMS2902SA SMS2902SB SMS2902S2.7 SMS2904S SMS2904SA SMS2904SB Summit-Microelectronics
Summit Microelectronics
Description : Voltage Supervisory Circuit With Watchdog Timer View

OVERVIEW
The SMS29xx is a power Supervisory Circuit that monitors VCC and will generate complementary reset outputs. The reset pins also act as I/Os and may be used for signal conditioning. The SMS29xx also has an on-board watchdog timer.

FEATURES
• Precision Voltage Monitor
    – VCC Supply Monitor
        - Complementary reset outputs for complex microcontroller systems
        - Integrated memory write lockout function
        - No external components required
• Watchdog Timer
    – 1600 ms, internal
• Two Wire Serial Interface (I2C™)
• Extended Programmable Functions available on SMS24
• High Reliability
    – Endurance: 100,000 erase/write cycles
    – Data retention: 100 years
• 8-Pin SOIC Packages


Part Name(s) : ADP5051 ADP5051ACPZ-R7 ADP5051-EVALZ ADI
Analog Devices
Description : Integrated Power Solution with Quad Buck Regulators, Supervisory Circuit, and I2C Interface View

GENERAL DESCRIPTION
The ADP5051 combines four high performance buck regulators and a Supervisory Circuit with a voltage monitor, a watchdog function, and a manual reset in a 48-lead LFCSP package that meets demanding performance and board space requirements. The device enables direct connection to high input voltages up to 15.0 V with no preregulators.
Channel 1 and Channel 2 integrate high-side power MOSFET and low-side MOSFET drivers. In low-side power devices, use external NFETs to achieve an efficiency optimized solution and deliver a programmable output current of 1.2 A, 2.5 A, or 4 A.
Combining Channel 1 and Channel 2 in a parallel configuration provides a single output with up to 8 A of current. Channel 3 and Channel 4 integrate both high-side and low-side MOSFETs to deliver an output current of 1.2 A.
The ADP5051 Supervisory Circuits monitor the voltage level. The watchdog timer generates a reset when the WDI pin does not toggle within a preset timeout period. Select manual reset functionality via the processor reset mode or system power on/off switch mode.
The optional I2C interface offers flexible configurations, including adjustable and fixed output voltage, junction temperature overheat warning, low input voltage detection, and dynamic voltage scaling.

FEATURES
   Wide input voltage range: 4.5 V to 15.0 V
   ±1.5% output accuracy over full temperature range
   250 kHz to 1.4 MHz adjustable switching frequency
   Adjustable/fixed output options via factory fuse or I2C interface
   I2C interface with interrupt on fault conditions
   Power regulation
      Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A
         sync buck regulators with low-side FET driver
      Channel 3 and Channel 4: 1.2 A sync buck regulators
   Single 8 A output (Channel 1 and Channel 2 in parallel)
   Dynamic voltage scaling (DVS) for Channel 1 and Channel 4
   Precision enable with 0.8 V accurate threshold
   Active output discharge switch
   Programmable phase shift in 90° steps
   Individual channel FPWM/PSM selection
   Frequency synchronization input or output
   Optional latch-off protection on OVP/OCP failure
   Power-good flag on selected channels
   Low input voltage detection
   Open-drain processor reset with external adjustable threshold
      monitoring
   Watchdog refresh input
   Manual reset input
   Overheat detection on junction temperature
   UVLO, OCP, and TSD protection

APPLICATIONS
   Small cell base stations
   FPGA and processor applications
   Security and surveillance
   Medical applications

Part Name(s) : ILC705 ILC705M ILC705N ILC706 ILC706M ILC706N ILC707 ILC707M ILC707N ILC708 Impala-Linear
Impala Linear Corporation
Description : mP Supervisory Circuit View

General Description

The ILC705/ILC706/ILC707/ILC708 are low cost microprocessor Supervisory Circuits that monitor power supplies in microprocessor based systems. Circuit functions include a watchdog timer, microprocessor reset, power failure warning and a debounced manual reset input.

The ILC705 and ILC706 offer a watchdog timer function while the ILC707 and ILC708 have an active high reset output in addition to the active low reset output.

Supply voltage monitor levels of 4.65V and 4.4V are available. The ILC705/ILC707 have a nominal reset threshold level of 4.65V while the ILC706 and ILC708 have a 4.4V nominal reset threshold level. When the supply voltage drops below the respective reset threshold level, RESET is asserted.



Features

♦ 4.4V or 4.65V Precision Voltage Monitor

♦ 200ms Reset Pulse Width

♦ Debounced TTL/CMOS Compatible Manual Reset Input

♦ Watchdog Timer with 1.6 sec Timeout (ILC705/ILC706)

♦ Voltage Monitor for Early Power Fail Warning or Low Battery Detect

♦ 8-Pin SOIC or DIP Package



Applications

♦ Computers

♦ Controllers

♦ Critical Microprocessor Power Monitoring

♦ Intelligent Instruments

♦ Portable Equipment

♦ Controllers



 


Part Name(s) : ILC705 ILC705M ILC705N ILC706 ILC706M ILC706N ILC707 ILC707M ILC707N ILC708 IMPALA
Impala Linear Corporation
Description : mP Supervisory Circuit View

General Description

The ILC705/ILC706/ILC707/ILC708 are low cost microprocessor Supervisory Circuits that monitor power supplies in microprocessor based systems. Circuit functions include a watchdog timer, microprocessor reset, power failure warning and a debounced manual reset input.

The ILC705 and ILC706 offer a watchdog timer function while the ILC707 and ILC708 have an active high reset output in addition to the active low reset output.

Supply voltage monitor levels of 4.65V and 4.4V are available. The ILC705/ILC707 have a nominal reset threshold level of 4.65V while the ILC706 and ILC708 have a 4.4V nominal reset threshold level. When the supply voltage drops below the respective reset threshold level, RESET is asserted.



Features

♦ 4.4V or 4.65V Precision Voltage Monitor

♦ 200ms Reset Pulse Width

♦ Debounced TTL/CMOS Compatible Manual Reset Input

♦ Watchdog Timer with 1.6 sec Timeout (ILC705/ILC706)

♦ Voltage Monitor for Early Power Fail Warning or Low Battery Detect

♦ 8-Pin SOIC or DIP Package



Applications

♦ Computers

♦ Controllers

♦ Critical Microprocessor Power Monitoring

♦ Intelligent Instruments

♦ Portable Equipment

♦ Controllers



 


Part Name(s) : PGT20140 Ericsson
Ericsson
Description : 1620 nm DFB Laser for Supervisory Channel Applications View

Description
The laser module is intended as a source for an optical Supervisory channel for systems with in-line amplifiers as proposed by ITU-T in G.691 and G692. The module includes an InGaAs/InP DFB laser diode, an InGaAs PIN back facet monitor diode and a TEC.

Key Features
• 1620 nm DFB laser source
• Operating temperature 0 °C to +70 °C
• Low threshold current
• Cooled – TEC
• Bitrates 1 – 622 Mb/s

Applications
• Intended as a laser source for an optical Supervisory channel in D-WDM systems

Part Name(s) : ILC1232 ILC1232M ILC1232N IMPALA
Impala Linear Corporation
Description : mP Supervisory Circuit View

General Description
The ILC1232 is a multifunction Circuit which monitors microprocessor activity, external reset and power supplies in microprocessor based systems. The Circuit functions include a watchdog timer, power supply monitor, microprocessor reset, and manual pushbutton reset input.

Features
• Power OK/Reset Time Delay, 250ms min.
• Watchdog Timer, 150ms, 600ms, or 1.2s typical
• Precision Supply Voltage Monitor, Select Between 5% or 10% of Supply Voltage
• 18µA Supply Current
• Debounced External Reset Input
• 8-Pin SO Package

Applications
• Computers
• Controllers
• Critical Microprocessor Power Monitoring
• Intelligent Instruments
• Portable Equipment

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