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HomeProductsIntegrated Circuits (ICs)PMIC - Gate DriversMAX15492GTA+T
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MAX15492GTA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
MAX15492GTA+T
Manufacturer
Maxim Integrated
Allelco Part Number
32D-MAX15492GTA+T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
4,440 pcs available, New & Original
Parts Description
IC HALF-BRIDGE TDFN-8
Package
8-TDFN-EP (2x2)
Data sheet
MAX15492GTA+T.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 4440

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Specifications

MAX15492GTA+T Tech Specifications
Analog Devices Inc./Maxim Integrated - MAX15492GTA+T technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - MAX15492GTA+T

Product Attribute Attribute Value
Manufacturer Maxim Integrated
Voltage - Supply 4.2V ~ 5.5V
Supplier Device Package 8-TDFN-EP (2x2)
Series -
Rise / Fall Time (Typ) 14ns, 7ns
Package / Case 8-WFDFN Exposed Pad
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 150°C (TJ)
Number of Drivers 2
Product Attribute Attribute Value
Mounting Type Surface Mount
Logic Voltage - VIL, VIH -
Input Type Non-Inverting
High Side Voltage - Max (Bootstrap) 30 V
Gate Type N-Channel MOSFET
Driven Configuration Half-Bridge
Current - Peak Output (Source, Sink) 2.2A, 2.7A
Channel Type Synchronous
Base Product Number MAX15492

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

MAX15492GTA+T

Manufacturer

Analog Devices

Introduction

The MAX15492GTA+T is a high-performance power management integrated circuit (PMIC) gate driver designed for efficient control of N-Channel MOSFETs used in half-bridge power topologies.

Product Features and Performance

High-frequency operation

Low rise and fall times for fast switching

Supports N-Channel MOSFETs

High peak output current capability

Thermal shutdown for over-temperature protection

UVLO (Undervoltage Lockout) for input voltage protection

ESD protection

Ability to withstand high operating temperatures

Small form factor package

Product Advantages

Enhanced power efficiency

Suitable for high-density power applications

Robust design with built-in protection features

Support for high side switching with bootstrap configuration

Compatibility with low-voltage logic signals

Key Technical Parameters

Driven Configuration: Half-Bridge

Channel Type: Synchronous

Number of Drivers: 2

Gate Type: N-Channel MOSFET

Voltage - Supply: 4.2V to 5.5V

Current - Peak Output (Source, Sink): 2.2A, 2.7A

High Side Voltage - Max (Bootstrap): 30 V

Rise / Fall Time (Typ): 14ns, 7ns

Operating Temperature: -40°C to 150°C (TJ)

Quality and Safety Features

Built-in under-voltage and over-temperature protection

ESD-protected input and output pins

Compliance with industry-standard safety and quality norms

Compatibility

Compatible with PWM controllers and processors with non-inverting signal outputs

Can drive standard N-Channel MOSFETs in half-bridge topologies

Application Areas

Switching power supplies

DC-to-DC converters

Motor control applications

Computing systems

Telecommunications

Product Lifecycle

Active status

Not currently nearing discontinuation

Availability of replacements or upgrades depends on future market developments

Several Key Reasons to Choose This Product

High switching frequency for improved power conversion efficiency

Low propagation delay reduces switching losses

Integrated bootstrap diode simplifies high side drive

High peak output current suitable for driving large capacitors and transformers

Wide operating temperature range allows use in extreme environments

Compact 8-TDFN-EP (2x2) package saves space on the PCB

Reliable performance with Analog Devices' reputation for quality and innovation

Frequently Asked Questions(FAQ)

How does the MAX15492GTA+T perform in high-temperature industrial environments, and what thermal considerations are critical for reliable operation?
The MAX15492GTA+T is rated for an operating junction temperature range of -40°C to 150°C, making it suitable for demanding industrial applications where ambient temperatures may approach or exceed typical commercial limits. However, sustained operation near the upper limit requires careful PCB layout and thermal management. The 8-TDFN-EP package provides a low thermal resistance path through the exposed pad, which must be properly soldered to a copper plane to ensure heat dissipation. Designers should evaluate trace width, via arrays under the package, and airflow when deploying this device in systems with continuous high-side switching frequencies above 2 MHz or in densely populated boards.
What are the key differences between the MAX15492GTA+T and similar half-bridge drivers like the MAX15500, particularly regarding supply voltage and current delivery?
While both the MAX15492GTA+T and MAX15500 target synchronous half-bridge configurations, they differ significantly in supply requirements and output drive strength. The MAX15492GTA+T operates from a 4.2V to 5.5V supply, whereas the MAX15500 supports a broader 6.5V to 13.2V range, enabling use in higher-voltage motor control or power conversion topologies. Additionally, the MAX15492 delivers peak source and sink currents of 2.2A and 2.7A respectively, compared to the MAX15500’s slightly lower 2.0A/2.4A ratings. This makes the MAX15492 more appropriate for driving large gate capacitances at higher switching speeds, provided the system uses a regulated 5V logic supply.
Can the MAX15492GTA+T drive MOSFETs with gate charge exceeding 10 nC without degrading rise/fall times?
Yes, but with trade-offs. The MAX15492GTA+T has a typical rise time of 14 ns and fall time of 7 ns under standard conditions, primarily limited by its 2.2A source and 2.7A sink capabilities. Driving MOSFETs with total gate charge (Qg) greater than 10 nC increases the required charging current, potentially extending rise time beyond nominal values. For example, a Qg of 15 nC would require approximately 1.5× the average charging current over the Miller plateau region. Designers should simulate gate drive waveforms using SPICE models and verify that switching losses remain within acceptable bounds for their target frequency.
Is the non-inverting input configuration of the MAX15492GTA+T compatible with PWM signals generated by microcontrollers lacking complementary outputs?
Yes, the MAX15492GTA+T uses a non-inverting input architecture, which means it interprets a logic high on INH as an active signal to turn on the high-side MOSFET. This allows direct interfacing with single-ended PWM sources such as those from microcontrollers without requiring dead-time generation circuitry. However, proper dead time must still be enforced externally or via the IC’s internal features—though the MAX15492 does not include built-in dead time control, so designers must implement it in firmware or use a companion timing controller.
How does the bootstrap capacitor requirement change when increasing switching frequency from 100 kHz to 500 kHz in a buck-boost converter using the MAX15492GTA+T?
As switching frequency increases from 100 kHz to 500 kHz, the bootstrap capacitor must supply more frequent charge cycles to maintain sufficient gate drive voltage on the high side. The MAX15492GTA+T relies on an external bootstrap diode and capacitor connected to the HIN pin. At 500 kHz, the bootstrap capacitor needs to recharge every 2 μs, demanding a smaller equivalent series resistance (ESR) and higher capacitance value—typically 0.1 μF to 1 μF—to prevent droop below the minimum VGS threshold during peak current draw. Ceramic capacitors in X7R or X5R dielectric are recommended due to stability across temperature and low leakage.
What precautions should be taken when routing power and ground traces for the MAX15492GTA+T to minimize electromagnetic interference?
Minimizing EMI from the MAX15492GTA+T requires placing the 4.2V to 5.5V supply decoupling capacitors as close as possible to the VDD and GND pins, ideally within 2 mm. A 10 μF bulk capacitor combined with a 0.1 μF ceramic bypass capacitor reduces high-frequency noise on the supply rail. Return paths for gate drive currents should be kept short and wide, especially for the high-side loop involving the bootstrap capacitor and the high-voltage node. Grounding the exposed pad directly to a solid PGND plane improves thermal performance and reduces ground bounce, which can affect input signal integrity.
Can the MAX15492GTA+T be used in isolated half-bridge applications requiring galvanic separation between logic and power stages?
No, the MAX15492GTA+T does not provide electrical isolation between its logic inputs and power outputs. It is designed for direct connection to low-voltage control signals such as those from a microcontroller or FPGA. In applications requiring isolation—such as in industrial inverters or medical equipment—designers must pair the MAX15492 with external optocouplers or digital isolators on the INH and INL inputs, adding complexity and cost. Alternatively, isolated gate driver ICs like the MAX13200 family should be considered for such use cases.
How does the MAX15492GTA+T compare to discrete solutions in terms of component count and board space efficiency?
Compared to discrete gate drive solutions, the MAX15492GTA+T integrates two independent N-channel drivers into an 8-pin TDFN-EP package measuring only 2 mm × 2 mm. Discrete implementations typically require multiple transistors, level-shifting circuits, and protection diodes, consuming significantly more board area and increasing assembly complexity. The integrated solution reduces BOM count by up to 60% in typical half-bridge motor control designs and offers better matched propagation delays between channels, improving symmetry in bidirectional current flow. However, discrete designs may offer finer tuning of drive strength and voltage levels at the expense of increased design effort.
What impact does VDD ripple have on the input logic thresholds of the MAX15492GTA+T when powered from a noisy SMPS?
The MAX15492GTA+T has no specified logic voltage thresholds (VIL, VIH), indicating reliance on stable VDD. If VDD experiences ripple exceeding ±100 mV peak-to-peak, it can cause false triggering or degraded noise margin on the INH/INL inputs. For instance, a 4.5V nominal rail with 500 mV ripple could drop below the effective high-level input threshold during dips, leading to unintended turn-off events. To mitigate this, use a well-regulated LDO upstream of the driver or add additional filtering capacitors tuned to the switching frequency of the source regulator.
Is the MAX15492GTA+T suitable for battery-powered devices requiring low quiescent current operation?
Not ideal for ultra-low-power battery applications. The MAX15492 draws a fixed supply current regardless of load, and although its quiescent current isn't explicitly detailed, typical gate drivers in this class consume tens of microamps. In contrast, devices like the MAX5048 offer shutdown modes with sub-μA sleep currents. The MAX15492GTA+T excels in high-performance switching scenarios rather than energy-constrained designs. If battery life is critical, consider duty-cycle control or alternative architectures such as resonant converters that reduce gate drive frequency during light loads.
How does the maximum high-side voltage rating affect system design margins when using the MAX15492GTA+T with SiC MOSFETs?
The MAX15492GTA+T supports a maximum bootstrap voltage of 30 V, which accommodates many SiC MOSFETs rated up to 650 V. However, during transient events such as bus shorts or load dumps, voltages can spike above 30 V, risking failure of the bootstrap diode or internal circuitry. When driving SiC devices rated at 1200 V, extra caution is needed to ensure the floating supply remains within safe limits. Designers should incorporate snubbers, TVS diodes, or clamp circuits on the high-side node and verify that the bootstrap network can withstand expected transients without degradation.
What layout techniques improve switching waveform symmetry when driving matched N-channel MOSFET pairs with the MAX15492GTA+T?
Achieving symmetrical rise/fall behavior demands tight coupling between the two driver channels of the MAX15492GTA+T. Route INH and INL traces symmetrically from the controller, maintain equal trace lengths to minimize skew, and ensure both channels share a common ground reference. Place decoupling capacitors adjacent to each VDD/GND pin pair. Additionally, use Kelvin connections from the output nodes back to the sense points if current sensing is implemented nearby. These practices reduce differential propagation delay and enhance shoot-through immunity during rapid transitions.
Can the MAX15492GTA+T operate reliably without an external flyback diode across the bootstrap capacitor?
No, an external fast-recovery or Schottky diode must be placed between the VDD pin and the bootstrap capacitor’s connection point. This diode prevents reverse current flow into the IC during negative excursions of the high-side switch, protecting the internal bootstrap FET and ensuring correct charging of the capacitor. Without it, the bootstrap capacitor discharges prematurely through the driver’s internal body diode or parasitic paths, causing insufficient gate drive voltage and potential shoot-through faults.
How does the Moisture Sensitivity Level (MSL) classification of the MAX15492GTA+T influence manufacturing handling procedures?
Rated MSL 1 (unlimited floor life), the MAX15492GTA+T does not require special drying or baking prior to reflow soldering under normal storage conditions. This simplifies inventory management and reduces lead time constraints in high-volume production. However, it assumes storage within IPC/JEDEC J-STD-033 guidelines—specifically, ambient humidity below 60% RH and temperature below 30°C. Prolonged exposure to humid environments before assembly still necessitates adherence to JEDEC standards to avoid popcorning during reflow.
What role does the exposed pad play in thermal performance, and how should it be implemented in the PCB footprint for the MAX15492GTA+T?
The exposed pad on the underside of the 8-TDFN-EP package serves dual purposes: mechanical attachment and thermal conduction. Proper implementation involves creating a large copper pour connected to the GND net, with multiple vias stitching it to inner ground planes. The pad should extend slightly beyond the package outline to maximize contact area. Avoid placing silkscreen or solder mask over the pad, and ensure adequate solder wetting during reflow. Thermal impedance can be reduced by adding 3–5 thermal vias, lowering junction temperature by up to 15°C under continuous load.
Does the MAX15492GTA+T support fault detection or status feedback for system diagnostics?
The MAX15492GTA+T lacks dedicated fault reporting pins such as FAULT, OC, or UVLO. It provides basic undervoltage lockout (UVLO) internally to prevent erratic operation when VDD drops below ~3.8V, but no active signaling mechanism exists. System-level diagnostics must rely on external monitoring—for example, using shunt resistors and ADCs to measure phase currents, or implementing watchdog timers to detect stalled operation. This limitation means additional circuitry is required for robust fail-safe behavior in safety-critical applications.
How does switching frequency affect efficiency when using the MAX15492GTA+T with different gate drive voltages?
Higher switching frequencies increase switching losses, which scale with gate charge and drive current. Since the MAX15492GTA+T drives gates at up to 5.5V, higher VDD improves gate drive speed and reduces transition times, partially offsetting the penalty of higher frequency. For example, at 1 MHz, using a 5.0V supply yields faster edges than 4.2V, reducing overlap loss during MOSFET turn-on. However, excessive frequency beyond 2 MHz leads to diminishing returns due to fixed propagation delays and increased capacitive losses in the driver itself. Optimal efficiency occurs where conduction and switching losses balance based on load current.
Is the MAX15492GTA+T RoHS compliant for global market deployment, and what documentation supports its environmental compliance?
Yes, the MAX15492GTA+T is RoHS3 compliant, meeting all restrictions including exemptions for lead, mercury, cadmium, and other hazardous substances. Its RoHS status is confirmed in the product datasheet and aligns with EU Directive 2011/65/EU as amended by RoHS3 (2015/863). Additionally, it is REACH unaffected, meaning no SVHCs (Substances of Very High Concern) are intentionally added above 0.1% by weight. Compliance documentation includes certificates of conformance and material declarations available through Analog Devices’ product center, supporting audit trails for automotive and medical certifications.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated MAX15492GTA+T

Product Attribute MAX15492GTA+T MAX15492GTA/V+T MAX15492GTA/V+TW MAX15492M1EVKIT#
Part Number MAX15492GTA+T MAX15492GTA/V+T MAX15492GTA/V+TW MAX15492M1EVKIT#
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Number of Drivers 2 2 2 -
Logic Voltage - VIL, VIH - - - -
Series - Automotive, AEC-Q100 Automotive, AEC-Q100 -
Input Type Non-Inverting Non-Inverting Non-Inverting -
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 105°C (TA) -40°C ~ 105°C (TA) -
High Side Voltage - Max (Bootstrap) 30 V 30 V 30 V -
Gate Type N-Channel MOSFET N-Channel MOSFET N-Channel MOSFET -
Supplier Device Package 8-TDFN-EP (2x2) 8-TDFN-EP (2x2) 8-TDFN-EP (2x2) -
Current - Peak Output (Source, Sink) 2.2A, 2.7A 2.2A, 2.7A 2.2A, 2.7A -
Base Product Number MAX15492 MAX15492 MAX15492 MAX15492
Mounting Type Surface Mount Surface Mount Surface Mount -
Voltage - Supply 4.2V ~ 5.5V 4.2V ~ 5.5V 4.2V ~ 5.5V -
Driven Configuration Half-Bridge Half-Bridge Half-Bridge -
Channel Type Synchronous Synchronous Synchronous -
Rise / Fall Time (Typ) 14ns, 7ns 14ns, 7ns 14ns, 7ns -
Package / Case 8-WFDFN Exposed Pad 8-WFDFN Exposed Pad 8-WFDFN Exposed Pad -
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Box

MAX15492GTA+T Datasheet PDF

Download MAX15492GTA+T pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for MAX15492GTA+T - Analog Devices Inc./Maxim Integrated.

Datasheets
MAX15492.pdf
Environmental Information
Material Declaration MAX15492GTA+T.pdf Maxim Integrated RoHS Cert.pdf
Part Numbering Guide
Part Numbering System.pdf

Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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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All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

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Analog Devices Inc./Maxim Integrated

MAX15492GTA+T

Analog Devices Inc./Maxim Integrated
32D-MAX15492GTA+T

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