austriamicrosystems has expanded its supervisory portfolio with the AS1923, a quad-voltage microprocessor supervisory IC. The AS1923 is designed to monitor up to four system supply voltages without the need for external components, and asserts a single reset if any of the monitored supply voltages drops below its reset threshold.
A variety of different factory-trimmed voltage threshold options are available for monitoring +5,0, +3,3, +3,0, +2,5, +1,8, and -5,0 V supplies with -5% and/or -10% tolerances. The AS1923 is also available with one or two user-adjustable threshold options (via external resistor-divider network) if non-standard voltage thresholds are required. The internally trimmed thresholds and the two reset output options minimise the need for external components, while the open-drain output can be overdriven by external voltages ranging from 0 V to +5,5 V to provide easy interfacing to other devices.
The AS1923 features an active-low reset output that is asserted when any of the 4 monitored voltages are below their respective reset threshold. The reset output is available as open-drain (AS1923A) or 10 μA Current Source Pullup (AS1923B). Reset remains low for a specified reset timeout period (120 ms minimum) after all voltages have stabilised. The output is valid as long as the IN1 or IN2 input voltage remains above 1 V.
The device operates from +1,0 V to +5,5 V, while consuming only 55 μA of supply current. They are available in a small 6-pin SOT23 package, suitable for operating environments ranging from -40°C to +85°C.
Reliable power solution Conical Technologies
Power Electronics / Power Management
The Mibbo MLD-120W-xxVx is a robust DIN-rail mounted DC-DC converter with a 120 W output capacity specifically designed for industrial and automation applications.
Read more...Easing the path for IPPs navigating local energy regulations
Power Electronics / Power Management
Independent Power Producers (IPPs) and developers venturing into South Africa’s renewable energy sector face an onerous and challenging regulatory landscape characterised by uncertainty in securing grid connections and considerable development costs.
Read more...MCU for low-power, IoT applications NuVision Electronics
DSP, Micros & Memory
Silicon Labs recently announced the PG26, a general-purpose microcontroller with a dedicated matrix vector processor to enhance AI/ML hardware accelerator speeds.
Read more...Wide input voltage buck-boost converter Altron Arrow
Power Electronics / Power Management
The MAX77859 from Analog Devices is a high-efficiency, high-performance buck-boost converter targeted for systems requiring a wide input voltage range of between 2,5 and 22 V.
Read more...ICs vs modules: Understanding the technical trade-offs for IoT applications NuVision Electronics
Editor's Choice DSP, Micros & Memory
As the IoT continues to transform industries, design decisions around wireless connectivity components become increasingly complex with engineers often facing the dilemma of choosing between ICs and wireless modules for their IoT applications.
Read more...Marktech’s latest LEDs and photodiodes NuVision Electronics
Test & Measurement
Designed for precision sensing and emission tasks, Marktech’s optoelectronic lineup serves medical, industrial, aerospace, and environmental markets.
Read more...Development kit for TI’s SN6507
Power Electronics / Power Management
This comprehensive solution is designed to help engineers evaluate the performance of TI’s SN6507 transformer driver for isolated power supplies.
Read more...Why bis means business for LTE Cat 1 IoT connections NuVision Electronics
Editor's Choice Telecoms, Datacoms, Wireless, IoT
Tomaž Petaros, product manager IoT EMEA at Quectel Wireless Solutions explains why the market for Cat 1bis IoT connections is getting busy.
Read more...Bluetooth Lite SoCs purpose built for IoT NuVision Electronics
Telecoms, Datacoms, Wireless, IoT
Whether it is enabling predictive maintenance on industrial equipment, tracking assets in dense environments, or running for years on a coin cell battery in ultra-low power sensors, developers need solutions that are lean, reliable, and ready to scale with emerging use cases.
printer friendly version