ADM1186-2ARQZ
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ADM1186-2ARQZ
IC SUPERVISOR 4 CHANNEL 16QSOP
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$4.13
Price update：2024-05-07
Available in stock：
98
45
Serves customers in 45 countries
1000+
Worldwide Manufacturers
$140M
$140M Growth in 5 Years
50.0M+
50M Parts Shipped in 5 Years
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.
The ADM1186-1 and ADM1186-2 are integrated, four-channel, voltage monitoring and sequencing devices. A 2.7 V to 5.5 V power supply is required on the VCC pin for power. Four precision comparators monitor four voltage rails, with all comparators sharing a 0.6 V reference and a worst-case accuracy of 0.8%. Resistor networks that are external to the VIN1, VIN2, VIN3, and VIN4 pins set the Under Voltage (UV) trip points for the monitored supply rails. The ADM1186-1 and ADM1186-2 have four open drain enable outputs, OUTx, that are used to enable power supplies. An open drain power good output, PWRGD, is provided that indicatesthe four VINx inputs are above their UV thresholds. A state machine monitors the state of the UP and DOWN pins on the ADM1186-1 or the UP/overbar:DOWN pin on the ADM1186-2 to control the supply sequencing direction. In the ‘Wait Start’state, a rising edge transition on the UP or UP/DOWN pin triggers a power-up sequence. A falling edge transition on the DOWN or UP/DOWN pin in the ‘Power Up Done’ statetriggers a power down sequence. During a power up sequence, the state machine enables each power supply in turn. The supply output voltage is monitored to determine if it rises above the UV threshold level within a userdefined duration called the blanking time. If a supply rises above the UV threshold then the next enable output in the sequence is turned on. In addition to the blanking time a user may also define sequencing time delays between each enable output turning on. When all four enable outputs are on, and the four VINx pins are above their UV trip points the power up sequence is complete. The ADM1186-1 provides an open drain pin, SEQ_DONE, that is asserted high to provide an indication that an up sequence is complete. The SEQ_DONE pins is allows multiple cascadedADM1186-1 devices to be perform controlled power up and down sequences. During a power down sequence the enable outputs turn off inreverse order. The sequence time delays between successive supplies the same as during the power up sequence, and no blanking time is used during a power down sequence. At the end of a down sequence the SEQ_DONE pin is brought low. During sequencing and when powered up, the state machine continuously monitors for any fault conditions. Faults include a UV condition on any of the inputs, or an unexpected controlinput. Any fault that occurs causes the state machine to enter a fault handler. This immediately turns off all enable outputs, and ensures that the device is ready to start a new up sequence. The ADM1186-1 has a bi-directional open drain pin, FAULT, that facilitates fault handling when using multiple devices. An ADM1186-1 experiencing a fault condition drives the FAULT pin low, causing other connected ADM1186-1devices to enter their own fault handling state.. The ADM1186-1 is available in a 20-lead QSOP package andthe ADM1186-2 is available in a 16-lead QSOP package.
Feature
- Monitors four supplies via 0.8% accurate comparators
- Digital core supports up and down supply sequencing andmultiple devices may be cascaded (ADM1186-1)
- Four inputs can be programmed to monitor different voltagelevels with resistor dividers
- Powered from 2.7 V to 5.5 V on the VCC pin
- Supply sequencing time delays and a timeout delay to 5%accuracy
- Four open-drain enable outputs
- Open-drain power-good output
- Open-drain sequence complete and bi-directional open-drainFault pin (ADM1186-1)
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Product Attributes
| TYPE | DESCRIPTION | Select all |
|---|---|---|
| Package | Tube | |
| Product Status | Active | |
| Programmable | Not Verified | |
| Type | Sequencer | |
| Voltage - Threshold | Adjustable/Selectable | |
| Output | Open Drain or Open Collector | |
| Reset | Active High | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | |
| Supplier Device Package | 16-QSOP | |
| Number of Voltages Monitored | 4 |
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$4.13
Price update：2024-05-07
Available in stock：
98
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.Blog
- Unveiling the Future: The Surge of Microcontrollers in 2024In the dynamic world of electronic components, microcontrollers stand out as a testament to innovation and versatility. As we edge closer to 2024, the landscape for microcontrollers and semiconductors, spearheaded by giants like STMicroelectronics, Texas Instruments, and Microchip, is set for remarkable transformation.
- Microcontrollers vs. Microprocessors: Unveiling the Core Differences for Embedded Systems EngineeringSeasoned professionals in the realm of embedded systems engineering and product development within the electronics sphere often grapple with distinguishing between microcontrollers and microprocessors. Despite their foundational role in the design and fabrication of a myriad of electronic gadgets, understanding their unique functionalities based on mere definitions can be challenging:
- A Deep Dive into the Global Ceramic Capacitors MarketJoin us in exploring the emerging subplot of environmental consciousness within the global ceramic capacitors market.
- Mastering Current Measurement with MicrocontrollersUnlock precise current measurement secrets with Microcontrollers! Conquer challenges, meet superhero solutions, and revolutionize accuracy with on-chip Analog Core Independent Peripherals (CIPs).
- What is a Rectifier Diode: A Guide to BeginnersMeet the unsung heroes of electronics—Rectifier Diodes! Explore their magic, applications, and join the behind-the-scenes adventure into gadget power.
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