Analog Devices Inc./Maxim Integrated MAX6410BS35+T

Overview

MAX6410BS35+T from Maxim Integrated is an ultra-low-power, active-high push-pull voltage detector designed for battery and power-supply monitoring in portable systems. It features a factory-trimmed 3.50V threshold (±2.5% over -40°C to +85°C), 500nA supply current at 3V, manual reset input (MR), and guaranteed valid output down to VCC = 1.0V. It is used in MP3 players and PDAs to assert system reset when supply voltage drops below the trip point.

For engineers reviewing the MAX6410BS35+T datasheet, MAX6410BS35+T pinout, MAX6410BS35+T application, or MAX6410BS35+T equivalent, key selection considerations include its active-high push-pull output logic, 3.50V detection threshold, UCSP-4 package footprint, immunity to sub-100ns VCC transients, and compatibility with 1.0V–5.5V supply rails.

Technical Context

The MAX6410BS35+T implements a precision bandgap reference comparator with internal trimming to deliver a nominal 3.50V detection threshold. Its active-high push-pull output drives high when VCC falls below VTH and remains valid down to 1.0V supply, enabling reliable reset assertion in brownout conditions.

It includes a manually controllable reset input (MR) with internal 50kΩ pullup, supporting TTL/CMOS-compatible triggering and noise immunity via optional external capacitor. The device rejects fast negative-going VCC transients up to ~200µs depending on overdrive magnitude, per the Maximum Transient Duration vs. Threshold Overdrive curve.

Key Specifications

Pinout & Package

MAX6410BS35+T is housed in a 4-bump, 2mm × 2mm UCSP (Ultra Compact Silicon Package) with bottom-side solder bumps. This chip-scale package delivers minimal board area usage and thermal performance suited for space-constrained portable designs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX6409BS35+T and TLV809E35DBZR, the MAX6410BS35+T uniquely combines active-high push-pull output, 500nA supply current, and integrated manual reset - enabling direct µP interface, multi-year battery operation, and field-serviceable reset without added components.

Availability

MAX6410BS35+T is available at Aetrix Electronics and suitable for portable electronics, battery-powered instrumentation, and medical wearables requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for MAX6410BS35+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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.

The MAX6406–MAX6411 family was designed specifically for ultra-low-power voltage supervision in space- and energy-constrained portable equipment, emphasizing minimal footprint, nanoscale current draw, and robust glitch immunity without external components.

FAQ

What is the exact reset threshold voltage of MAX6410BS35+T?

The MAX6410BS35+T has a factory-trimmed nominal reset threshold of 3.50V, with tolerance of ±2.5% over the full operating temperature range (–40°C to +85°C). This value is confirmed in Table 1 of the datasheet and applies specifically to the "35" suffix variant of the MAX6410BS series. The MAX6410BS35+T maintains this accuracy without external calibration.

Does MAX6410BS35+T support operation below 1.8V supply?

Yes, the MAX6410BS35+T is fully specified to operate with supply voltages as low as 1.0V. Its output remains valid and correctly asserted (high) when VCC drops below 3.50V, even at 1.0V - a key feature enabling reliable reset generation during deep brownout conditions where other detectors fail.

What is the function of the MR pin on MAX6410BS35+T?

The MR (Manual Reset) pin on MAX6410BS35+T is an active-low input with internal 50kΩ pullup to VCC. Pulling MR low forces the OUT pin high regardless of VCC level, providing hardware-initiated reset capability. When left unconnected or tied to VCC, MR is inactive and detection operates autonomously. This feature is integral to the MAX6410BS35+T's system-level supervision role.

Can MAX6410BS35+T replace MAX6409BS35+T in an existing design?

No, MAX6410BS35+T cannot directly replace MAX6409BS35+T without circuit modification because they differ in output polarity: MAX6410BS35+T has active-high push-pull output, while MAX6409BS35+T has active-low push-pull output. Swapping them would invert reset logic and likely cause system malfunction unless the host µP reset input is reconfigured or an inverter is added.

What package type does MAX6410BS35+T use, and what are its dimensions?

MAX6410BS35+T uses the UCSP-4 (Ultra Compact Silicon Package) with 4 solder bumps arranged in a 2mm × 2mm array. The package height is approximately 0.5mm, and bump pitch is 0.5mm. This chip-scale construction minimizes PCB area and thermal resistance, making it ideal for thin-profile portable devices where space is at a premium.