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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) - LED Drivers > MAX16834ATP/V+T
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MAX16834ATP/V+T

In Stock 3450 pcs Reference Price(In US Dollars)
2500+
$3.6724
Manufacturer Part Number:
MAX16834ATP/V+T
Manufacturer / Brand
Analog Devices Inc./Maxim Integrated
Part of Description:
IC LED DRIVER CTRLR PWM 20TQFN
Datasheets:
MAX16834ATP/V+T(1).pdfMAX16834ATP/V+T(2).pdfMAX16834ATP/V+T(3).pdfMAX16834ATP/V+T(4).pdfMAX16834ATP/V+T(5).pdfMAX16834ATP/V+T(6).pdfMAX16834ATP/V+T(7).pdfMAX16834ATP/V+T(8).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 3450 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MAX16834ATP/V+T
Manufacturer / Brand Analog Devices Inc./Maxim Integrated
Stock Quantity 3450 pcs Stock
Category Integrated Circuits (ICs) > Power Management (PMIC) - LED Drivers
Description IC LED DRIVER CTRLR PWM 20TQFN
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ MAX16834ATP/V+T Datasheets MAX16834ATP/V+T Details PDF
MAX16834ATP/V+T Details PDF for KR.pdf
MAX16834ATP/V+T Details PDF for IT.pdf
MAX16834ATP/V+T Details PDF for ES.pdf
MAX16834ATP/V+T Details PDF for DE.pdf
MAX16834ATP/V+T Details PDF for FR.pdf
Voltage - Supply (Min) 4.75V
Voltage - Supply (Max) 28V
Voltage - Output 27V
Type DC DC Controller
Topology SEPIC, Step-Down (Buck), Step-Up (Boost)
Supplier Device Package 20-TQFN (4x4)
Series Automotive, AEC-Q100
Package / Case 20-WFQFN Exposed Pad
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Internal Switch(s) No
Frequency 100kHz ~ 1MHz
Dimming Analog, PWM
Current - Output / Channel -
Base Product Number MAX16834
Applications Automotive, Backlight

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
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2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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MAX16834ATP/V+T Product Details:

The MAX16834ATP/V+T is a sophisticated LED driver integrated circuit (IC) designed specifically for automotive and backlighting applications, offering advanced power management capabilities. Developed by Maxim Integrated, this high-performance PMIC (Power Management Integrated Circuit) provides versatile power conversion topologies, including SEPIC, Step-Down (Buck), and Step-Up (Boost) configurations.

This automotive-grade LED driver IC addresses critical design challenges in demanding electrical systems by delivering exceptional flexibility in power conversion and LED control. Its robust design supports operation across an extended temperature range of -40°C to 125°C, making it particularly suitable for harsh automotive environments. The device is fully RoHS compliant and designed to meet AEC-Q100 automotive quality standards.

Key specifications include a wide input voltage range of 4.75V to 28V and the ability to generate output voltages up to 27V. The IC operates at switching frequencies between 100kHz and 1MHz, enabling efficient power management and precise LED current regulation. It supports both analog and PWM dimming techniques, providing designers with comprehensive luminosity control options.

The IC's surface-mount TQFN20 (4x4) package ensures compact integration and reliable thermal performance. Its single-output configuration makes it ideal for LED string and matrix applications in automotive displays, instrument clusters, interior lighting, and backlighting systems.

Primary advantages include high efficiency, flexible power conversion topologies, precise dimming capabilities, and automotive-grade reliability. The device eliminates the need for multiple discrete components, simplifying circuit design and reducing overall system complexity.

Potential equivalent or alternative models in the Maxim Integrated LED driver portfolio include:

1. MAX16833

2. MAX16835

3. MAX16836

4. MAX16837

Compatibility extends across various automotive electronic systems requiring sophisticated LED driving and power management solutions, with particular strengths in instrument panel lighting, display backlight control, and interior illumination applications.

MAX16834ATP/V+T Key Technical Attributes

Manufacturer Part Number: MAX16834ATP/V+T

Manufacturer: Maxim Integrated

Main Category: Integrated Circuits (ICs)

MAX16834ATP/V+T Packing Size

Packaging Type: 20-TQFN (4x4)

Material: Lead-free, RoHS Compliant

Size: 20-TQFN (4x4)

Thermal Characteristics: Operating Temperature -40°C ~ 125°C (TA)

Electrical Properties: Voltage - Supply Max 28V, Voltage - Output 27V

MAX16834ATP/V+T Application

Automotive, Backlight

MAX16834ATP/V+T Features

The MAX16834ATP/V+T is a versatile LED Driver IC capable of operating in SEPIC, Step-Down (Buck) and Step-Up (Boost) topologies. It supports both analog and PWM dimming methodologies and operates at a frequency range from 100kHz to 1MHz. Ideal for high temperature environments up to 125°C, this IC ensures reliable performance in automotive and backlight settings.

MAX16834ATP/V+T Quality and Safety Features

Moisture Sensitivity Level (MSL): 1 (Unlimited)

RoHS Compliant ensures environmental safety and lead-free status

MAX16834ATP/V+T Compatibility

The device geometry and pin configuration are specifically tailored for easy integration into vast automotive and backlight systems. Compatible with wide-ranging input voltage from 4.75V to 28V ensuring adaptability across varied power supplies.

MAX16834ATP/V+T Datasheet PDF

For precise specifications and in-depth technical guidance, refer to the datasheet of MAX16834ATP/V+T available on our website. We recommend downloading it directly from the current page to ensure you access the most authoritative and up-to-date information.

Quality Distributor

As a premium distributor, IC-Components prides itself on offering outstanding services and products. Maxim Integrated's MAX16834ATP/V+T is one of the high-quality components available through us. Visit our website to get a quote today and benefit from our exceptional customer service and comprehensive technical support.

Frequently Asked Questions

I’m designing an automotive LED backlight system and considering the MAX16834ATP/V+T. What are the key design constraints regarding its input voltage range and potential EMI issues when operating near its 1MHz switching frequency in a noisy automotive environment?
The MAX16834ATP/V+T operates from a wide input voltage range of 4.75V to 28V, making it suitable for various automotive power rails. However, at its maximum switching frequency of 1MHz, careful PCB layout, component selection (especially input and output capacitors, and inductor), and shielding are crucial to mitigate EMI and ensure compliance with automotive standards. Consider using a proper ground plane and minimizing trace lengths for the switching paths to reduce parasitic inductance and capacitance.
We need to replace an older LED driver in a legacy automotive application with the MAX16834ATP/V+T. What are the primary differences and potential design implications compared to a typical boost-only controller, especially concerning its SEPIC and buck capabilities?
The MAX16834ATP/V+T is a versatile DC-DC controller capable of SEPIC, buck, and boost topologies, unlike many older boost-only controllers. This flexibility allows for more design options but requires a different understanding of component selection, especially for the SEPIC configuration where an additional inductor and capacitor are needed. If migrating from a boost-only design, you might need to re-evaluate inductor and capacitor values to leverage the SEPIC mode for voltage step-up or down scenarios efficiently with the MAX16834ATP/V+T.
For an automotive adaptive headlight application requiring precise LED current control and flicker-free dimming, how does the MAX16834ATP/V+T’s analog and PWM dimming compare to dedicated PWM-only drivers, and what are the limitations of its 1-output configuration?
The MAX16834ATP/V+T offers both analog and PWM dimming, providing flexibility for different control schemes. Analog dimming offers smooth transitions but can be susceptible to noise. PWM dimming is generally preferred for sharp, flicker-free control at higher frequencies. Its 1-output configuration means it can drive a single string of LEDs directly, or a multi-string configuration would require external driver solutions or multiple MAX16834ATP/V+T ICs, which adds complexity.
In a high-temperature industrial LED lighting application where the MAX16834ATP/V+T will operate at its maximum ambient temperature of 125°C, what are the critical reliability considerations, particularly regarding thermal management and component derating?
Operating the MAX16834ATP/V+T at 125°C requires diligent thermal management. Ensure adequate PCB copper pour for heat dissipation and consider forced airflow if necessary. Component derating is crucial; select external components (inductors, capacitors, power resistors) with appropriate temperature ratings and ensure their operating conditions remain within their specified limits under worst-case thermal scenarios to prevent premature failure.
We are considering using the MAX16834ATP/V+T in a battery-powered portable device with a 12V battery. What are the trade-offs and practical design implications of using it as a SEPIC converter versus a buck converter for driving a single LED string with a forward voltage of 24V?
Using the MAX16834ATP/V+T as a SEPIC converter for a 24V forward voltage LED string from a 12V battery is feasible, but it introduces an additional inductor and capacitor compared to a buck topology. While SEPIC allows for voltage step-up, it generally has slightly lower efficiency and a larger component count than a buck converter. If your system requires a voltage higher than the input, SEPIC is the correct choice, but ensure proper component selection and layout for the SEPIC configuration to maximize efficiency and minimize cost with the MAX16834ATP/V+T.
For automotive infotainment system backlighting, what are the primary advantages of the MAX16834ATP/V+T’s AEC-Q100 qualification, and are there any specific integration challenges related to its 27V output voltage capability when interfacing with other automotive subsystems?
The AEC-Q100 qualification of the MAX16834ATP/V+T signifies its suitability for demanding automotive environments due to rigorous testing for temperature, humidity, and electrical stress. Its 27V output capability is generally well within typical automotive subsystem voltage tolerances. However, ensure that any connected circuitry or protection mechanisms are designed to handle this output voltage, especially during transient conditions or fault scenarios, when integrating the MAX16834ATP/V+T.
If we need to drive multiple independent LED strings with the MAX16834ATP/V+T, what are the design challenges and workarounds for achieving this using its single output configuration, and are there alternatives within the Maxim Integrated portfolio that offer multi-channel drive?
Driving multiple independent LED strings from the MAX16834ATP/V+T’s single output requires external circuitry. Common approaches include using multiple output transistors and current sense resistors, or cascading multiple MAX16834ATP/V+T devices if budget and space allow. For integrated multi-channel LED drivers, explore other Maxim Integrated families like the MAX16800 series or specific automotive-grade multi-channel LED drivers, which may offer a more straightforward and efficient solution depending on your exact requirements for the MAX16834ATP/V+T’s intended application.
What is the recommended practice for selecting the inductor value for the SEPIC topology when using the MAX16834ATP/V+T to balance efficiency, transient response, and peak current in an automotive application?
Selecting the inductor for the SEPIC topology with the MAX16834ATP/V+T involves a trade-off. A smaller inductance results in higher peak currents, potentially increasing core losses and requiring a physically smaller but higher-rated inductor. A larger inductance reduces peak current, improving efficiency and reducing magnetic component size, but can impact transient response and may require a larger, more expensive inductor. A common starting point is to select an inductance that results in a peak-to-peak ripple current of 30-40% of the average inductor current, and then fine-tune based on efficiency measurements and transient response requirements for the specific application of the MAX16834ATP/V+T.
We are experiencing stability issues with a boost converter design using the MAX16834ATP/V+T. What are the common pitfalls in compensating the control loop, and how can we use the frequency setting of the MAX16834ATP/V+T to improve stability?
Stability issues with boost converters using the MAX16834ATP/V+T are often related to loop compensation. Common pitfalls include incorrect selection of compensation components (resistors and capacitors), inadequate phase margin, and insufficient bandwidth. The adjustable switching frequency (100kHz to 1MHz) of the MAX16834ATP/V+T can be leveraged to improve stability by increasing the frequency, which generally widens the loop bandwidth and allows for a higher switching frequency, thus improving transient response and potentially allowing for smaller external components. However, higher frequencies can increase switching losses. Ensure proper compensation network design according to the datasheet's guidelines for the chosen operating point and frequency of the MAX16834ATP/V+T.
When replacing a specific component like the LT3755 in an automotive LED driver circuit with the MAX16834ATP/V+T, what are the critical design considerations regarding power supply sequencing, soft-start functionality, and overall system robustness to ensure a successful and reliable migration?
Migrating from a component like the LT3755 to the MAX16834ATP/V+T requires careful consideration of power supply sequencing. The MAX16834ATP/V+T has specific start-up requirements and a soft-start feature to manage inrush current. Ensure the input voltage ramps up within the specified limits and that any necessary enable signals are asserted correctly. Evaluate the soft-start time and current limiting characteristics of the MAX16834ATP/V+T against the original design to prevent overstressing components or LEDs during power-up. Additionally, re-verify inductor saturation current ratings and capacitor ripple current ratings for the new MAX16834ATP/V+T based design.

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