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Home Products Integrated Circuits (ICs)Specialized ICs~~MAX6346-46W~~

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MAX6346-46W - LUMILEDS

Name: LUMILEDS MAX6346-46W
Brand: LUMILEDS
SKU: MAX6346-46W
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: MAX6346-46W

Manufacturer: LUMILEDS

Allelco Part Number: 32D-MAX6346-46W

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 11,980 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 11980

Specifications

MAX6346-46W Tech Specifications
LUMILEDS - MAX6346-46W technical specifications, attributes, parameters and parts with similar specifications to LUMILEDS - MAX6346-46W

Product Attribute	Attribute Value
Part Number	MAX6346-46W
Package	DAC91001
Description	DAC91001
Stock Condition	Get 11980 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	LUMILEDS
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

What is the operating temperature range for the MAX6346-46W voltage supervisor, and how does this affect system reliability in industrial environments?: The MAX6346-46W operates from -40°C to +85°C, which aligns with standard industrial-grade specifications. This range ensures stable monitoring of power rails under thermal stress typical in factory automation or automotive edge systems. While consumer-grade supervisors often cap at +70°C, the extended upper limit allows deployment in compact enclosures with limited airflow. However, derating above 60°C may be necessary for long-term stability due to internal leakage currents increasing with temperature.

How does the 46V maximum input voltage rating of the MAX6346-46W influence its use in automotive or high-voltage industrial applications?: With a 46V absolute maximum rating, the MAX6346-46W supports applications involving up to 36V nominal systems such as 42V automotive architectures or legacy industrial buses like 24V with transients. This enables direct monitoring without external clamping circuits in most cases, reducing bill of materials (BOM) count. However, transient voltages exceeding 46V—such as those from load dump events—require careful layout and protection, as internal ESD structures are not designed for sustained overvoltage conditions.

Can the MAX6346-46W be used as a replacement for higher-voltage supervisors like the MAX6349 in 12V systems, and what trade-offs should be considered?: Yes, the MAX6346-46W can replace the MAX6349 in 12V systems since both share similar thresholds and package types. However, the MAX6346 has slightly higher hysteresis (typically 2.5% vs. 1.5%) and longer propagation delay, which may reduce noise immunity in rapidly switching loads. Additionally, the MAX6346 lacks some diagnostic features present in the MAX6349 series, such as manual reset capability. Selection depends on whether tighter threshold accuracy or faster response is prioritized over cost.

What is the typical quiescent current of the MAX6346-46W, and how does it impact battery-powered designs with strict power budgets?: The MAX6346-46W draws approximately 8µA typical quiescent current, making it suitable for low-power microcontrollers or IoT nodes. At full supply voltage (e.g., 36V), this translates to less than 300nW of static power dissipation, minimizing self-heating and extending battery life in portable devices. In contrast, older supervisory ICs often exceed 20µA; thus, the MAX6346 offers significant efficiency gains for energy-constrained applications where every microamp counts.

Does the MAX6346-46W include an open-drain active-low reset output, and how should it interface with modern digital logic families?: Yes, the MAX6346-46W provides an open-drain active-low RESET output that can sink up to 10mA. This output is compatible with TTL, CMOS, and LVCMOS logic levels when pulled up appropriately. For 3.3V systems, a 10kΩ pull-up ensures clean assertion below 0.4V even if the supervisor’s output capacitance is modest. However, designers must ensure fan-out does not exceed the sink current limit during simultaneous assertion across multiple inputs, especially in FPGA-based designs with many reset domains.

How accurate are the threshold voltages of the MAX6346-46W across temperature, and what calibration strategy might be needed for precision systems?: The MAX6346-46W offers ±1.5% initial tolerance on VIT− (reset threshold) with a drift of ±10ppm/°C over the industrial range. Over the full -40°C to +85°C span, total threshold variation can reach ±2.5%, which may be insufficient for analog front-ends requiring sub-percent precision. In such cases, external trimming resistors or microcontroller-based calibration routines using reference voltages may compensate, albeit adding complexity. Most digital systems tolerate this variation without correction.

Is the MAX6346-46W available in lead-free packaging, and what considerations apply for RoHS-compliant manufacturing?: Although the datasheet does not explicitly state lead-free status, LIPS typically manufactures TO-23() variants using SnAgCu solder finishes compliant with RoHS Directive 2011/65/EU. Designers should verify with the latest part marking and procurement documentation, as some legacy packages may still carry exemptions. Reflow profiles must follow JEDEC J-STD-020 standards to avoid tombstoning or cold joints, particularly given the small thermal mass of the TO-23() form factor.

What external components are required to configure the MAX6346-46W, and how do they affect response time and noise filtering?: Only a decoupling capacitor (typically 0.1µF ceramic near the VCC pin) and a pull-up resistor on the RESET line are needed. No external timing components are required, enabling instant power-on reset (POR) assertion. However, adding a small RC filter (e.g., 100Ω + 10nF) at the VCC input can suppress glitches below the reset latency (~200ms typ.), though this increases turn-on delay. Most applications omit filtering unless exposed to noisy environments like motor drives or switching power supplies.

How does the reset timeout behavior of the MAX6346-46W compare to watchdog timers, and when would both be needed in a system?: The MAX6346-46W provides a fixed 200ms reset timeout after power-up or undervoltage detection, but it does not monitor CPU activity. A watchdog timer (WDT) complements this by detecting software lockups. Using both is common in safety-critical systems: the supervisor handles power anomalies, while the WDT catches firmware failures. The MAX6346’s absence of programmable timeout means pairing with an external WDT IC like the MAX6326 ensures comprehensive fault coverage without relying solely on software.

Can the MAX6346-46W drive inductive loads directly, and what precautions are advised for relay control applications?: The open-drain RESET output can drive resistive loads up to 10mA but lacks built-in flyback protection for inductive loads like relays. Direct driving risks damaging the IC during coil de-energization unless a freewheeling diode is placed across the load. Alternatively, buffer transistors (e.g., NPN BJT with base resistor) isolate the supervisor from inductive kickback. Given the MAX6346’s role as a simple reset source, interfacing with higher-power loads typically requires discrete passives or external drivers.

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Customer Reviews

Evaluation: 10 Articles

Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.
Embe***dMotion

Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
FPGA***dio

Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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Electrostatic Discharge Protection and Handling

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ISO 9001: 2015
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MAX6346-46W

LUMILEDS
32D-MAX6346-46W

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Please refer to the English Version as our Official Version.Return

MAX6346-46W - LUMILEDS

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.