Analog Devices Inc./Maxim Integrated MAX16132B11A/V+T

Overview

MAX16132B11A/V+T from Analog Devices is a precision quad-voltage microprocessor supervisor IC designed for automotive ADAS systems. It monitors four independent supply rails (IN1–IN4) for undervoltage and overvoltage faults within ±1% threshold accuracy over -40°C to +125°C, features factory-programmable 1.100V nominal input voltage per channel, ±4% window tolerance with 0.25% hysteresis, and a 560ms reset timeout period. Its open-drain active-low reset outputs ensure reliable power-on reset sequencing in multivoltage ASICs.

For engineers reviewing the MAX16132B11A/V+T datasheet, MAX16132B11A/V+T pinout, MAX16132B11A/V+T application, or MAX16132B11A/V+T equivalent, this device delivers AEC-Q100-qualified window supervision with guaranteed logic state down to VDD = 1.07V, immunity to short monitored-supply transients, and support for functional safety-critical system monitoring in storage equipment and servers.

Technical Context

The MAX16132B11A/V+T implements a quad-input window comparator architecture with independent internal voltage references and trimming circuitry, enabling simultaneous undervoltage/overvoltage detection on four distinct supply rails. Each input channel uses factory-programmed thresholds derived from a 1.100V nominal voltage and ±4% tolerance, yielding UVTH = 1.056V and OVTH = 1.144V at +25°C, with ±1% accuracy maintained across temperature.

All four reset outputs share a single factory-set 560ms timeout period and assert low when any monitored input falls outside its programmed window. The device operates from 1.71V to 5.5V VDD, guarantees correct reset output logic state down to VDD = 1.07V, and consumes only 12.5μA typical supply current - critical for always-on automotive subsystems requiring low quiescent power.

Key Specifications

Pinout & Package

MAX16132B11A/V+T is housed in an 8-pin SOT23 package (outline 21-0078, land pattern 90-0176), optimized for space-constrained automotive PCB layouts and qualified for −40°C to +125°C operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar voltage supervision applications.

Compared with MAX16132B11A/V+T, MAX16135B11A/V+T provides identical supervision functionality and specifications, while TPS3808G33DBVR offers lower-cost single-rail undervoltage monitoring but cannot replicate quad-channel window supervision or automotive-grade accuracy - making it unsuitable for safety-critical ADAS power integrity assurance.

Availability

MAX16132B11A/V+T is available at Aetrix Electronics and suitable for ADAS sensor fusion modules, multivoltage ASIC power management, and automotive server storage units requiring stable component supply with AEC-Q100 compliance and long-term automotive lifecycle support.

Supply support for MAX16132B11A/V+T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets with precision, reliability, and innovation.

The MAX16132–MAX16135 product line delivers precision quad-voltage supervision specifically engineered for automotive ADAS and safety-critical embedded systems, emphasizing ±1% threshold accuracy, AEC-Q100 qualification, and functional safety readiness.

FAQ

What is the nominal input voltage programmed for each channel in MAX16132B11A/V+T?

The MAX16132B11A/V+T has a factory-programmed nominal input voltage of 1.100V for all four channels (IN1–IN4). This value is used to calculate undervoltage (UVTH = 1.100V × 0.96 = 1.056V) and overvoltage (OVTH = 1.100V × 1.04 = 1.144V) thresholds at +25°C, with ±1% accuracy maintained across −40°C to +125°C. The "B11" suffix in MAX16132B11A/V+T explicitly denotes the 1.100V nominal setting per the Selector Guide.

Does MAX16132B11A/V+T support overvoltage detection, or only undervoltage?

MAX16132B11A/V+T supports full window supervision - both undervoltage and overvoltage detection - on all four input channels. Its ±4% tolerance setting defines symmetric boundaries around the 1.100V nominal voltage, resulting in UVTH = 1.056V and OVTH = 1.144V. This dual-fault detection capability distinguishes it from basic reset ICs and is essential for protecting sensitive ADAS processors from overvoltage transients.

What is the reset timeout period for MAX16132B11A/V+T, and how is it set?

The MAX16132B11A/V+T features a factory-set reset timeout period of 560ms minimum, indicated by the "T" suffix in its part number per Table 9 of the datasheet. All four reset outputs (RESET1 and RESET2, each covering two inputs) share this identical timeout value. The timeout begins when any monitored input falls outside its window and ends only after the input returns within bounds and the full 560ms elapses - ensuring robust processor initialization.

Is MAX16132B11A/V+T AEC-Q100 qualified, and what grade does it meet?

Yes, MAX16132B11A/V+T is AEC-Q100 qualified, as confirmed by the "/V" suffix in its part number and explicit listing in the Ordering Information table. It meets Grade 1 requirements (−40°C to +125°C operating temperature), making it suitable for under-hood and safety-critical ADAS applications. This qualification covers stress testing for temperature cycling, humidity, ESD, and mechanical shock - validating reliability in automotive environments.

How many reset outputs does MAX16132B11A/V+T provide, and what is their electrical type?

MAX16132B11A/V+T provides two active-low, open-drain reset outputs: RESET1 (pin 8) and RESET2 (pin 7). RESET1 asserts when either IN1 or IN2 falls outside its ±4% window; RESET2 asserts when either IN3 or IN4 fails. Both require external pullup resistors and guarantee correct logic state down to VDD = 1.07V - a key feature for fail-safe behavior during brownout conditions.