ADM1166ASUZ

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ADM1166ASUZ

IC SEQUENCER/SUPERVISOR 48TQFP

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規格

Package Tray
Series Super Sequencer®
ProductStatus Active
Applications Power Supply Monitor, Sequencer
Voltage-Input 3V ~ 14.4V
Voltage-Supply 3V ~ 14.4V
Current-Supply 4.2 mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 48-TQFP

概述

Description

ADM1166ASUZ is an Analog Devices microprocessor reset/power-supply supervisory IC. It monitors one or more supply rails and generates a reset signal to a microcontroller when voltages are out of range or a watchdog timeout occurs. It provides brownout protection and reliable MCU startup/shutdown, making it suitable for embedded systems in automotive, industrial, and consumer electronics.
The ASUZ suffix denotes the packaging/lead configuration (typically an 8-pin package with RoHS-compliant options). Features can include a reset output (often active-low), a watchdog, optional manual reset input, and programmable thresholds/timing (depending on the exact variant).
To use it, connect the rails to be monitored, feed Vcc as required, and wire the reset output to the MCU’s reset pin. For precise thresholds, timing, pinout, and variant options (single-rail vs multi-rail, watchdog behavior), reference the ADM1166 datasheet. If you want, I can summarize the exact specs from the latest datasheet.

Features

ADM1166ASUZ Features (concise):
- Hot-swap controller for protecting power rails during board insertion
- Adjustable current limit (external resistor) with soft-start to limit inrush
- Fast overcurrent/short-circuit protection with latch
- Undervoltage lockout and overvoltage protection
- Reverse polarity protection
- Thermal shutdown protection
- Fault/Status reporting (open-drain/status output)
- Low quiescent current
- 8-lead package (ASUZ) suitable for compact assemblies
Note: For exact electrical values and operating ranges, please consult the ADM1166A datasheet.

Package

ADM1166ASUZ comes in an 8‑lead Small Outline Integrated Circuit (SOIC) package, Pb‑free (RoHS).

Pinout

- Pin count: 16 pins (16-pin package).
- Function: ADM1166ASUZ is a hot-swap controller that drives an external MOSFET to limit inrush current and protect a power rail from overcurrent/short conditions, with fault/status reporting.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- Company type: An American multinational semiconductor company that designs and produces analog, mixed-signal, and digital signal processing integrated circuits. Headquarters: Norwood, Massachusetts.

Application

Application areas for ADM1166ASUZ:
- Microcontroller/FPGA reset supervision
- Multi-rail power-supply monitoring and sequencing
- Brown-out protection for battery-powered devices
- Automotive and industrial electronics fault detection
- Safe power-down and system reliability in embedded designs

Equivalent

ADM1166ASUZ is a hot‑swap controller with current limit and fault protection. Closest functional equivalents are:
- LTC4366 (Analog Devices/Linear Tech)
- TI TPS2430 / TPS2431
Note: pinout, voltage range, and current limit differ. Use the vendor cross-reference tool to confirm a direct one‑to‑one replacement.

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