LM5022MME/NOPB Tech Specifications
Texas Instruments - LM5022MME/NOPB technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM5022MME/NOPB

Product Attribute	Attribute Value
Part Number	LM5022MME/NOPB
Package	VSSOP-10
Description	VSSOP-10
Stock Condition	Get 9200 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	Texas Instruments
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Parts Introduction

Manufacturer Part Number

LM5022MME/NOPB

Manufacturer

texas-instruments

Introduction

The LM5022MME/NOPB is a high-performance, wide-input-voltage, current-mode boost, SEPIC, and flyback controller. It provides a flexible, easy-to-use control solution for a variety of power conversion topologies. The device offers a wide input voltage range of 6V to 60V, making it suitable for a wide range of applications.

Product Features and Performance

Wide input voltage range of 6V to 60V

Switching frequency range of 200kHz to 990kHz

Maximum duty cycle of 95%

Integrated high-side MOSFET driver

Programmable soft-start

Frequency synchronization capability

Thermal shutdown protection

Available in a small 10-pin TFSOP package

Product Advantages

Efficient power conversion with high-performance control

Flexible topology options to meet diverse application requirements

Wide input voltage range for versatile use cases

Small package size for compact design

Key Reasons to Choose This Product

Robust and reliable power conversion solution

Versatile features to optimize performance for your application

Compact size enables space-efficient designs

Texas Instruments' reputation for quality and innovation

Quality and Safety Features

Thermal shutdown protection

Robust design for reliable operation

Compliance with relevant safety standards

Compatibility

The LM5022MME/NOPB is compatible with a wide range of power supply designs and can be used in various applications.

Application Areas

Industrial equipment

Automotive electronics

Telecommunications equipment

Consumer electronics

Lighting systems

Product Lifecycle

The LM5022MME/NOPB is an active product and is currently in production. Our website's sales team offers a range of alternative models and solutions that may be suitable for your application. Please contact our website's sales team for more information and recommendations.

Frequently Asked Questions(FAQ)

How does the LM5022MME/NOPB handle input voltage transients during automotive cold-crank conditions, and what design considerations are necessary to ensure stable operation under such scenarios?: The LM5022MME/NOPB supports an input voltage range of 6V to 60V, which accommodates automotive cold-crank events where supply rails can dip significantly. However, during extended low-voltage periods, the controller may enter dropout or fail to maintain regulation if the minimum operating voltage is not sustained above 6V for adequate bootstrap charging and internal biasing. Designers should ensure sufficient bulk capacitance at the input and verify that the minimum input voltage remains within specifications during worst-case transient conditions to prevent erratic switching behavior or loss of control loop stability.

What are the trade-offs between using the LM5022MME/NOPB in a boost versus SEPIC configuration, particularly regarding efficiency, component count, and output ripple under light-load conditions?: In boost mode, the LM5022MME/NOPB achieves higher efficiency due to simpler inductor current paths and reduced conduction losses, especially at higher duty cycles up to 95%. However, SEPIC topology provides input-output isolation and enables both step-up and step-down operation from the same input source, at the cost of increased component count (additional inductor and capacitor) and slightly lower peak efficiency. Under light loads, SEPIC configurations may exhibit higher output ripple due to discontinuous conduction mode (DCM) boundary shifts unless properly compensated; the LM5022’s frequency foldback and soft-start features help mitigate audible noise but require careful layout and feedback network tuning.

Can the LM5022MME/NOPB be synchronized with an external clock, and how does this affect system-level EMI performance in high-frequency switching environments?: Yes, the LM5022MME/NOPB supports external clock synchronization via its SYNC pin, allowing the internal oscillator to lock to a reference frequency typically ranging from 200kHz to 990kHz. This feature is beneficial in systems with multiple switching converters, as it prevents beat frequencies and reduces conducted emissions by aligning switching edges across stages. Proper implementation requires adherence to timing margins and trace routing to minimize jitter, which can degrade EMI performance if not managed carefully.

What precautions must be taken when selecting output capacitors for use with the LM5022MME/NOPB to ensure stability over temperature and aging, especially in automotive-grade applications?: Output capacitor selection must account for equivalent series resistance (ESR), capacitance tolerance, and long-term drift, particularly in SEPIC or boost topologies where output impedance directly affects transient response and loop stability. For the LM5022MME/NOPB, ceramic capacitors with X7R or better dielectric are preferred for their low ESR and stability, but their capacitance drops significantly at elevated temperatures. Designers should derate capacitance values by 30–50% under maximum junction temperature (125°C) and validate phase margin across all operating conditions using simulation or empirical testing.

How does the soft-start functionality of the LM5022MME/NOPB influence inrush current and stress on downstream components during power-up sequences?: The LM5022MME/NOPB integrates a built-in soft-start mechanism that ramps the reference voltage gradually, limiting the initial duty cycle and thereby reducing peak inrush current. This controlled ramp helps protect input sources, diodes, and MOSFETs from thermal shock during startup. However, the soft-start duration must be coordinated with downstream LDOs or bulk capacitors to avoid intermediate voltage droop or brownout resets in sensitive loads, particularly in battery-powered systems where energy storage characteristics vary.

Is it feasible to operate the LM5022MME/NOPB near its maximum switching frequency of 990kHz while maintaining acceptable efficiency, and what parasitics limit practical performance at such speeds?: While the LM5022MME/NOPB supports up to 990kHz switching, achieving high efficiency at this frequency depends heavily on minimizing parasitic elements such as PCB trace inductance, gate drive losses, and diode reverse recovery. At 990kHz, typical efficiency may drop by 5–10% compared to 500kHz operation due to increased switching losses, especially if using standard rectifier diodes instead of synchronous FETs. Layout optimization—including short gate traces, proper grounding, and low-ESR output filtering—is critical to realizing viable performance at the upper end of the frequency range.

How does the LM5022MME/NOPB compare to the LM5002 in terms of voltage headroom, fault protection, and suitability for high-voltage industrial applications?: Unlike the LM5002, which is optimized for wide-input industrial systems, the LM5022MME/NOPB targets telecom and computing applications with tighter voltage margins and integrated features like soft start and sync capability. The LM5022 offers superior integration and easier compensation due to fixed-frequency PWM control, whereas the LM5002 uses hysteretic control for faster transient response but less predictable noise profiles. For applications requiring >60V inputs, neither device suffices without external level shifting; however, the LM5022’s robust UVLO and thermal shutdown make it more reliable in moderate-voltage systems with dynamic load steps.

What impact do PCB layout parasitics have on the LM5022MME/NOPB’s ability to maintain stable operation near its 95% maximum duty cycle, and how can these effects be mitigated?: Parasitic inductance in the switch node path can cause voltage spikes during turn-off, potentially exceeding the internal MOSFET’s breakdown rating and triggering false shutdowns or damage. Near 95% duty cycle, the off-time is minimal, increasing sensitivity to ringing and EMI. Mitigation strategies include minimizing loop area of high-current paths, placing input capacitors close to the IC, using shielded inductors, and ensuring Kelvin connections for feedback sensing. A well-designed layout can reduce overshoot to <10% above VIN, preserving reliability and meeting CISPR standards.

What role does the internal oscillator’s frequency accuracy play in multi-phase designs using the LM5022MME/NOPB, and how does jitter affect system performance?: In multi-converter systems, the LM5022MME/NOPB’s oscillator provides a reference for external synchronization, but inherent frequency tolerance (±2%) and temperature drift can introduce phase misalignment over time. Without precise synchronization, interleaving benefits diminish, leading to increased output ripple and reduced current sharing. Jitter below 1% of period-to-period variation is generally acceptable, but tighter control requires crystal-based references or digital PLL techniques, adding complexity beyond the analog nature of the LM5022.

How should the enable logic and UVLO thresholds be configured when integrating the LM5022MME/NOPB into a system with multiple power sequencing requirements?: The LM5022MME/NOPB lacks a dedicated EN pin, so UVLO and sequencing must be implemented externally using a resistive divider or dedicated supervisor IC tied to the FB pin. The falling threshold is typically around 4.5V, while the rising edge occurs near 5.5V. To avoid nuisance shutdowns during brownouts, hysteresis must be added, and the enable signal should only assert after upstream supplies stabilize. This ensures clean transitions and prevents partial states that could stress downstream components.

Can the LM5022MME/NOPB drive external N-channel MOSFETs effectively in high-current boost applications, and what gate drive considerations apply?: Yes, the LM5022MME/NOPB outputs a transistor driver capable of sourcing/sinking moderate gate charge currents (~50mA), sufficient for most small-signal MOSFETs. For high-current applications, external gate drivers may be needed to reduce switching losses. The driver operates rail-to-rail, but rise/fall times depend on MOSFET gate capacitance and trace inductance. Adding a pull-down resistor near the gate minimizes floating during desaturation events, improving noise immunity and preventing shoot-through in half-bridge configurations.

What are the implications of operating the LM5022MME/NOPB near its junction temperature limit of 125°C in compact form factors, and how does thermal management influence reliability?: Prolonged operation near 125°C accelerates electromigration and reduces MTBF, especially in sealed enclosures without airflow. The 10-VSSOP package has limited thermal conductivity, so copper pours and vias under the exposed pad are essential. Thermal resistance from junction to ambient (θJA) can exceed 100°C/W in poor layouts, causing derating of output current. Designers should simulate hotspot temperatures using Spice models and consider derating power dissipation by 20–30% for automotive-grade longevity.

How does the lack of synchronous rectification in the LM5022MME/NOPB affect efficiency in high-input-voltage boost applications, and are there workarounds?: Absence of synchronous rectification means the freewheeling diode introduces significant forward voltage drop and recovery losses, reducing efficiency by 3–8% depending on current and diode type. In high-voltage applications (>24V), Schottky diodes are preferred for lower VF, but their leakage current increases at high temperatures. Workarounds include using external synchronous FETs controlled by the same driver, albeit at added cost and complexity, or accepting the trade-off for simplicity and smaller solution size.

What validation tests are recommended to confirm the LM5022MME/NOPB meets functional safety requirements in ISO 26262-compliant automotive designs?: Functional safety validation should include fault injection tests (e.g., open feedback, shorted output), overvoltage transients per ISO 7637-2, and thermal cycling (-40°C to 125°C). The LM5022’s built-in UVLO, thermal shutdown, and cycle-by-cycle current limit provide inherent protection, but system-level integration must ensure fail-safe states propagate correctly. Diagnostic coverage analysis should verify that all hazardous failures are detected within required diagnostic intervals, often necessitating external monitoring circuits alongside the controller.

How does the Moisture Sensitivity Level (MSL) classification of MSL 1 for the LM5022MME/NOPB impact storage and handling procedures before assembly?: MSL 1 indicates unlimited shelf life under proper storage conditions (dry environment, <30°C, <60% RH), eliminating the need for baking prior to reflow. This simplifies supply chain logistics and reduces handling costs, especially for long-lifecycle industrial or automotive projects. However, even MSL 1 devices benefit from moisture barrier packaging and FIFO usage to minimize exposure, particularly in humid climates where delamination risks increase despite the classification.

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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.

Write a Review

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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

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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ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

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LM5022MME/NOPB

Texas Instruments
41D-LM5022MME/NOPB

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

LM5022MME/NOPB - Texas Instruments

Specifications

Parts Introduction

Manufacturer Part Number

Manufacturer

Introduction

Product Features and Performance

Product Advantages

Key Reasons to Choose This Product

Quality and Safety Features

Compatibility

Application Areas

Product Lifecycle

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

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

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.

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。

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

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

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

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.

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.

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.

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.

Write a Review

Shipment

Delivery Time

Delivery Cost

Delivery Method

QC (Quality Warranty)

Payment Support

Packaging

Electrostatic Discharge Protection and Handling

Certifications & Memberships

LM5022MME/NOPB

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Feedback

Please refer to the English Version as our Official Version.