Analog Devices Inc./Maxim Integrated MAX16060ATE+T

Overview

The MAX16060ATE+T from Maxim Integrated is a 1% accurate quad-voltage microprocessor supervisor IC in a 16-pin 4mm × 4mm thin QFN package. It monitors four independent supply rails (e.g., 3.3V, 2.5V, 1.8V, and adjustable down to 0.4V), provides open-drain outputs with internal 30µA pullups, asserts a shared active-low RESET when any monitored voltage falls below threshold or MR is triggered, and includes a 1.6s typical watchdog timer. It serves multivoltage ASIC power sequencing and fault monitoring in industrial servers.

For engineers reviewing the MAX16060ATE+T datasheet, MAX16060ATE+T pinout, MAX16060ATE+T application, or MAX16060ATE+T equivalent, this page delivers verified technical context, exact pin functions, real-world supervisory use cases, and validated alternative options - all grounded in Maxim's official specifications for the MAX16060ATE+T variant.

Technical Context

The MAX16060ATE+T implements independent voltage comparators per input (IN1–IN4), each with 1% threshold accuracy over –40°C to +125°C and programmable tolerance (5% or 10% via TOL pin). Its RESET output combines OR-logic across all four monitored rails and manual reset (MR), with a minimum 140ms timeout (internally fixed or capacitor-adjustable via SRT).

It integrates a watchdog timer with 1.6s typical timeout and 54s startup delay, disabled by leaving WDI floating; all OUT1–OUT4 and RESET are open-drain with internal 30µA VCC-referenced pullups, supporting external pullup to up to 5.5V without reverse current flow.

Key Specifications

Pinout & Package

MAX16060ATE+T uses a 16-pin, 4mm × 4mm thin QFN package with exposed pad (EP), rated for –40°C to +125°C operation. The EP is internally connected to GND and must be soldered to PCB ground plane for thermal management.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-voltage supervisor applications.

Compared with TPS3307-33DBTR and ADM1266ACPZ, the MAX16060ATE+T uniquely balances four independent analog monitors, 1% accuracy, integrated watchdog, and minimal 16-pin QFN footprint - making it optimal for compact, high-reliability quad-rail supervision without software overhead.

Availability

MAX16060ATE+T is available at Aetrix Electronics and suitable for server power sequencing, industrial PLC monitoring, automotive ADAS domain controllers, and networking equipment power management requiring stable component supply across extended temperature ranges.

Supply support for MAX16060ATE+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

Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for demanding industrial, automotive, and communications applications.

The MAX16060ATE+T belongs to Maxim's µP supervisor product line, engineered specifically for reliable multivoltage system monitoring in space-constrained, high-temperature environments where accuracy and integration reduce external component count.

FAQ

What is the function of the TOL pin on the MAX16060ATE+T?

The TOL pin on the MAX16060ATE+T selects input threshold tolerance: connecting TOL to GND sets ±5% tolerance for high-precision monitoring, while connecting TOL to VCC selects ±10% tolerance to improve noise immunity in electrically noisy environments. This configuration is applied uniformly across all four monitored inputs (IN1–IN4) and is effective across the full –40°C to +125°C operating range.

Can the MAX16060ATE+T monitor voltages below 1.0V?

Yes, the MAX16060ATE+T can monitor voltages as low as 0.4V using its adjustable input thresholds. When configured with TOL = GND, the typical adjustable threshold is 0.394V; with TOL = VCC, it is 0.373V. External resistor dividers (e.g., R1/R2 network) scale higher input voltages down to these reference levels, enabling accurate supervision of sub-1V rails like 0.85V FPGA core supplies.

How does the watchdog timer behave during power-up of the MAX16060ATE+T?

The MAX16060ATE+T watchdog timer enters a 54s startup delay after VCC rises above UVLO (1.8V typ), during which no timeout occurs regardless of WDI state. This prevents false resets during system initialization. After startup, the timer begins counting and asserts RESET if WDI remains static (high or low) beyond 1.12–2.40s. Leaving WDI unconnected disables the watchdog entirely via an internal 400nA detector.

What happens to the RESET output when VCC drops near its minimum operating voltage?

The MAX16060ATE+T guarantees that the RESET output remains asserted down to VCC = 1.0V, ensuring reliable reset hold during brownout or power-down sequences. This behavior is maintained even as internal circuitry operates near its lower limit, preventing premature release of RESET and avoiding undefined CPU states in failing power conditions.

Is an external pullup resistor required for the OUT1–OUT4 pins of the MAX16060ATE+T?

No external pullup resistor is required for OUT1–OUT4 on the MAX16060ATE+T because each output includes a built-in 30µA current source pullup to VCC. These internal pullups fully drive standard CMOS logic inputs (e.g., 3.3V or 5V microcontrollers). An external pullup may be added only if interfacing to a different logic voltage (up to 5.5V), and the device prevents reverse current flow into VCC.