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HomeProductsIntegrated Circuits (ICs)PMIC - Power Distribution Switches, Load DriversVN7020AJTR
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VN7020AJTR - STMicroelectronics

Manufacturer Part Number
VN7020AJTR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-VN7020AJTR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
25,498 pcs available, New & Original
Parts Description
IC PWR DRVR N-CHAN 1:1 PWRSSO16
Package
PowerSSO-16
Data sheet
VN7020AJTR.pdf

PCN Assembly/Origin

Mult Devices 27/Feb/2019.pdf

HTML Datasheet

VN7020AJ Datasheet.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 25498
  • Unit Price: $1.214
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.214 $1.21
10+ $1.182 $11.82
30+ $1.162 $34.86
100+ $1.142 $114.20
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

VN7020AJTR Tech Specifications
STMicroelectronics - VN7020AJTR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - VN7020AJTR

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Voltage - Supply (Vcc/Vdd) Not Required
Voltage - Load 4V ~ 28V
Switch Type General Purpose
Supplier Device Package PowerSSO-16
Series VIPower™
Rds On (Typ) 20mOhm
Ratio - Input:Output 1:1
Package / Case 16-PowerLFSOP (0.154", 3.90mm Width)
Package Tape & Reel (TR)
Output Type N-Channel
Product Attribute Attribute Value
Output Configuration High Side
Operating Temperature -40°C ~ 150°C (TJ)
Number of Outputs 1
Mounting Type Surface Mount
Interface On/Off
Input Type Non-Inverting
Features Auto Restart, Status Flag
Fault Protection Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage, UVLO
Current - Output (Max) 45A
Base Product Number VN7020

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

VN7020AJTR Image
VN7020AJTR (1)

Manufacturer Part Number

VN7020AJTR

Manufacturer

STMicroelectronics

Introduction

High side power switch for power management applications

Product Features and Performance

General purpose power distribution switch

Single output channel N-Channel MOSFET

Current output capacity of 45A

Low Rds On typical value of 20mOhm

Supports a wide load voltage range from 4V to 28V

High-temperature operation up to 150°C

Product Advantages

Integrated fault protection

Auto-restart feature

Status flag for diagnostic feedback

VN7020AJTR Image
VN7020AJTR (2)

Key Technical Parameters

One output with a 1:1 input to output ratio

High side output configuration

On/off control interface

Surface mount, PowerSSO-16 package

No external supply voltage required

Quality and Safety Features

Current limiting (fixed) for safety

Open load detect function

Protection against over-temperature and over-voltage events

Under-voltage lockout (UVLO)

Compatibility

Designed for 4V to 28V operation compatible with a variety of systems

PowerSSO-16 package compatible with surface mount technology

Application Areas

Suitable for automotive applications

Can be used in industrial and consumer electronics where power distribution is needed

Product Lifecycle

Product status is active

Not nearing discontinuation at knowledge cutoff

Several Key Reasons to Choose This Product

Efficient power distribution with low Rds On

Robust safety features suited for harsh environments

Wide voltage range catering to diverse applications

Ease of integration with surface mountable design

STMicroelectronics' reputation for reliability and performance

Frequently Asked Questions(FAQ)

How does the VN7020AJTR's Rds(on) of 20mΩ at 10V gate drive compare to alternative high-side N-channel drivers in the same current range, and what implications does this have for thermal performance in a 45A continuous application?
The VN7020AJTR exhibits an on-resistance of 20mΩ when driven with a 10V gate signal, resulting in approximately 8.1W power dissipation at 45A continuous load—this assumes ideal thermal management. In comparison, many discrete solutions or older ICs may offer higher Rds(on), increasing conduction losses and necessitating larger heat sinks or derating. This low resistance directly translates to higher efficiency in power delivery systems, particularly beneficial in battery-powered or thermally constrained applications where minimizing losses is critical.
What design considerations are necessary when implementing the VN7020AJTR in a high-reliability automotive system, given its integration of over-temperature, over-voltage, and open-load detection features?
When deploying the VN7020AJTR in automotive environments, engineers must account for its fault-protection architecture—including over-current limiting, thermal shutdown, and open-load detection—by ensuring proper PCB layout to minimize parasitic inductance and resistances. The device’s ability to auto-restart after fault conditions enhances robustness but requires careful coordination with system-level diagnostics. Additionally, the wide operating temperature range (-40°C to 150°C) supports AEC-Q100 qualification paths, making it suitable for under-hood or body electronics without extensive thermal buffering.
Can the VN7020AJTR be used in a dual-switch configuration for bidirectional current control, and what limitations arise from its single-channel, high-side topology?
The VN7020AJTR is designed as a single high-side driver with N-channel output, limiting direct use in bidirectional control without additional external components. To implement bidirectional switching, a second complementary low-side driver would be required alongside careful timing coordination to prevent shoot-through. The lack of built-in dead-time control or synchronous rectification support means external logic or gate drivers must manage commutation safely, adding complexity compared to integrated H-bridge solutions.
How does the PowerSSO-16 package of the VN7020AJTR influence thermal resistance and soldering profile requirements during reflow assembly?
The 16-lead PowerSSO package has exposed pads that enhance thermal conductivity, lowering junction-to-ambient thermal resistance compared to standard SOIC variants. However, it also presents a larger thermal mass, requiring optimized reflow profiles with sufficient dwell time above liquidus to ensure solder joint reliability. Manufacturers like STMicroelectronics recommend specific peak temperatures and ramp rates; failure to adhere can lead to voids or insufficient wetting, especially in high-power cycling environments.
What is the impact of enabling the status flag function in the VN7020AJTR on system diagnostics, and how should it be interfaced to avoid false fault triggers?
Enabling the status flag allows real-time monitoring of fault conditions such as overtemperature, undervoltage lockout, or overload events. This improves diagnostic granularity but introduces pull-up resistor selection and noise immunity concerns. A weak pull-up may cause false positives due to EMI, while excessive resistance slows response time. Typically, a 4.7kΩ to 10kΩ resistor to VDD (if available) balances responsiveness and stability, though in some systems this pin may require external filtering capacitors near the input.
Why might a designer choose the VN7020AJTR over a MOSFET + discrete gate driver combination despite similar current ratings?
The VN7020AJTR integrates the power transistor and driver into a single package, reducing component count, board space, and parasitic inductance. This integration lowers total cost in medium-volume designs and simplifies layout compared to hybrid solutions. While discrete approaches offer flexibility in voltage ratings or Rds(on) optimization, they require additional protection circuitry and increase susceptibility to layout-induced failures—factors that favor the monolithic approach for general-purpose high-side switching below 50V and 45A.
What are the consequences of exceeding the maximum junction temperature of 150°C on the long-term reliability of the VN7020AJTR?
Operating continuously above 150°C accelerates electromigration and reduces mean time between failures (MTBF). Even brief excursions beyond this limit may degrade bond wire integrity or oxide layers within the die. Although the device includes thermal shutdown protection, frequent triggering indicates poor thermal design. For mission-critical applications, derating to 125°C or lower ensures margin against transient loads and ambient variations while maintaining expected operational lifespan.
How does the VN7020AJTR handle inrush current during startup when driving capacitive loads such as bulk electrolytic capacitors?
The VN7020AJTR provides fixed current limiting rather than soft-start control, which means it will regulate current up to its 45A threshold during initial charging of large capacitive loads. This can result in prolonged inrush durations or repeated tripping if the load capacitance is very high. Designers should assess whether supplemental soft-start circuitry or pre-charging sequences are needed to avoid nuisance fault triggering during power-up transients.
In a 24V industrial motor control application, how does the VN7020AJTR’s 28V maximum load voltage provide design margin, and what happens if transient spikes exceed this value?
With a nominal 24V supply, the VN7020AJTR offers a 16.7% voltage headroom, accommodating typical load dump or inductive kickback events common in motor drives. Its internal overvoltage protection clamps operation once the 28V threshold is breached, preventing damage but potentially interrupting service. Engineers should verify that transient suppression components like TVS diodes are co-located to protect both the load and the driver effectively.
Does the VN7020AJTR support partial power cycling or hot-swapping, and what precautions apply?
Hot-swapping is possible due to the device’s open-load detection and robust ESD protection, but without built-in slew-rate control or inrush mitigation, abrupt connection of live loads risks triggering current limiting repeatedly. For safe hot-swap operation, external circuits such as NTC thermistors or active gate resistors may be necessary to moderate turn-on behavior and prevent system instability.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics VN7020AJTR

Product Attribute VN7020AJTR-E VN7010AJTR VN7040AJTR-E VN7040AJTR
Part Number VN7020AJTR-E VN7010AJTR VN7040AJTR-E VN7040AJTR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Voltage - Load - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Ratio - Input:Output - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Rds On (Typ) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Switch Type - - - -
Current - Output (Max) - - - -
Input Type - - - Differential
Fault Protection - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Outputs - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Base Product Number - DAC34H84 MAX500 ADS62P42
Interface - - - -
Output Configuration - - - -
Features - - - Simultaneous Sampling

VN7020AJTR Datasheet PDF

Download VN7020AJTR pdf datasheets and STMicroelectronics documentation for VN7020AJTR - STMicroelectronics.

PCN Packaging
Material Barrier Bag 17/Dec/2020.pdf Mult Dev Label Chgs 29/Oct/2020.pdf
PCN Assembly/Origin
Mult Devices 27/Feb/2019.pdf
HTML Datasheet
VN7020AJ Datasheet.pdf

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • 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.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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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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VN7020AJTR Image

VN7020AJTR

STMicroelectronics
32D-VN7020AJTR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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