Symfony Profiler

Security

Token

There is no security token.

Firewall

main Name

Security enabled

Stateless

Configuration

Key	Value
provider	security.user.provider.concrete.app_user_provider
context	main
entry_point	App\Security\KbinAuthenticator
user_checker	App\Security\UserChecker
access_denied_handler	(none)
access_denied_url	(none)
authenticators	[`"two_factor" "remember_me" "App\Security\KbinAuthenticator" "App\Security\FacebookAuthenticator" "App\Security\GoogleAuthenticator" "App\Security\GithubAuthenticator" "App\Security\KeycloakAuthenticator"`]

Listeners

Listener	Duration	Response
Symfony\Component\Security\Http\Firewall\ChannelListener {#723`-map: Symfony\Component\Security\Http\AccessMap {#722 …} -logger: Monolog\Logger {#783 …} -httpPort: 80 -httpsPort: 443`}	0.00 ms	(none)
Symfony\Component\Security\Http\Firewall\ContextListener {#706-tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage {#1017 …} -sessionKey: "_security_main" -logger: Monolog\Logger {#783 …} -userProviders: Symfony\Component\DependencyInjection\Argument\RewindableGenerator {#705 …} -dispatcher: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher {#747 …} -registered: false -trustResolver: Scheb\TwoFactorBundle\Security\Authentication\AuthenticationTrustResolver {#780 …} -sessionTrackerEnabler: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage::enableUsageTracking(): void {#703 …}}	11.18 ms	(none)
Symfony\Component\Security\Http\Firewall\AuthenticatorManagerListener {#584`-authenticatorManager: Symfony\Component\Security\Http\Authentication\AuthenticatorManager {#595 …}`}	0.00 ms	(none)
Scheb\TwoFactorBundle\Security\Http\Firewall\TwoFactorAccessListener {#582`-twoFactorFirewallConfig: Scheb\TwoFactorBundle\Security\TwoFactor\TwoFactorFirewallConfig {#842 …} -tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …} -twoFactorAccessDecider: Scheb\TwoFactorBundle\Security\Authorization\TwoFactorAccessDecider {#581 …}`}	0.06 ms	(none)
Symfony\Component\Security\Http\Firewall\AccessListener {#579`-tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …} -accessDecisionManager: Symfony\Component\Security\Core\Authorization\TraceableAccessDecisionManager {#937 …} -map: Symfony\Component\Security\Http\AccessMap {#722 …}`}	0.00 ms	(none)
Symfony\Component\Security\Http\Firewall\LogoutListener {#786`-tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …} -options: [ "csrf_parameter" => "_csrf_token" "csrf_token_id" => "logout" "logout_path" => "app_logout" ] -httpUtils: Symfony\Component\Security\Http\HttpUtils {#841 …} -csrfTokenManager: Symfony\Component\Security\Csrf\CsrfTokenManager {#1015 …} -eventDispatcher: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher {#747 …}`}	0.00 ms	(none)

Authenticators

No authenticators have been recorded. Check previous profiles on your authentication endpoint.

Access Decision

affirmative Strategy


"Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter"
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
"Symfony\Component\Security\Core\Authorization\Voter\RoleHierarchyVoter"
"Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter"
"App\Security\Voter\EntryCommentVoter"
"App\Security\Voter\EntryVoter"
"App\Security\Voter\MagazineVoter"
"App\Security\Voter\MessageThreadVoter"
"App\Security\Voter\MessageVoter"
"App\Security\Voter\NotificationVoter"
"App\Security\Voter\OAuth2UserConsentVoter"
"App\Security\Voter\PostCommentVoter"
"App\Security\Voter\PostVoter"
"App\Security\Voter\UserVoter"

#	Voter class
1	"Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter"
2	"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
3	"Symfony\Component\Security\Core\Authorization\Voter\RoleHierarchyVoter"
4	"Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter"
5	"App\Security\Voter\EntryCommentVoter"
6	"App\Security\Voter\EntryVoter"
7	"App\Security\Voter\MagazineVoter"
8	"App\Security\Voter\MessageThreadVoter"
9	"App\Security\Voter\MessageVoter"
10	"App\Security\Voter\NotificationVoter"
11	"App\Security\Voter\OAuth2UserConsentVoter"
12	"App\Security\Voter\PostCommentVoter"
13	"App\Security\Voter\PostVoter"
14	"App\Security\Voter\UserVoter"

Access decision log


null
"App\Security\Voter\UserVoter"
App\Entity\Entry {#2412
  +user: Proxies\__CG__\App\Entity\User {#1978 …}
  +magazine: App\Entity\Magazine {#264
    +icon: Proxies\__CG__\App\Entity\Image {#245 …}
    +name: "askelectronics@discuss.tchncs.de"
    +title: "askelectronics"
    +description: """
      **For questions about component-level electronic circuits, tools and equipment.**\n
      \n
      Rules\n
      -----\n
      \n
      1: Be nice.\n
      \n
      2: Be on-topic (eg: *Electronic*, not *electrical*).\n
      \n
      3: No commercial stuff, buying, selling or valuations.\n
      \n
      4: Be safe.\n
      \n
      ---
      """
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      date: 2024-09-25 09:01:54.0 +02:00
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    +visibility: "visible             "
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      date: 2023-06-19 05:13:29.0 +02:00
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  }
  +image: null
  +domain: Proxies\__CG__\App\Entity\Domain {#1889 …}
  +slug: "MOSFET-gate-resistor"
  +title: "MOSFET gate resistor"
  +url: null
  +body: """
    Since MOSFETs have a gate capacitance you’d want to limit the inrush of current from the output of a microcontroller to prevent it from getting damaged prematurely. That’s what gate resistors are usually good for.\n
    \n
    Another thing is that most MOSFETs don’t fully activate with a gate voltage below 10V (n type) so usually a microcontroller pin isn’t good enough for switching large loads.\n
    \n
    I have a 24V system and have made a voltage divider using two 10k resistors to step down 24V to 12V as gate driving voltage which is pulled down with a weaker MOSFET. The power MOSFET essentially ends up with a 10k gate resistor this way meaning it will take a bit longer to fully saturate.\n
    \n
    Is too high harmful? In this situation the load is a heater that activates when the room temperature drops below 18C and deactivates when it gets above 22C so fast switching is not an issue.
    """
  +type: "article"
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    date: 2024-02-21 15:09:26.0 +01:00
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  +ip: null
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  +comments: Doctrine\ORM\PersistentCollection {#1688 …}
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  +children: []
  -id: 25281
  -titleTs: "'gate':2 'mosfet':1 'resistor':3"
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  +cross: false
  +upVotes: 0
  +downVotes: 0
  +ranking: 1703715529
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/8371777"
  +editedAt: null
  +createdAt: DateTimeImmutable @1703671529 {#1858
    date: 2023-12-27 11:05:29.0 +01:00
  }
}
"App\Security\Voter\UserVoter"
App\Entity\Entry {#2412
  +user: Proxies\__CG__\App\Entity\User {#1978 …}
  +magazine: App\Entity\Magazine {#264
    +icon: Proxies\__CG__\App\Entity\Image {#245 …}
    +name: "askelectronics@discuss.tchncs.de"
    +title: "askelectronics"
    +description: """
      **For questions about component-level electronic circuits, tools and equipment.**\n
      \n
      Rules\n
      -----\n
      \n
      1: Be nice.\n
      \n
      2: Be on-topic (eg: *Electronic*, not *electrical*).\n
      \n
      3: No commercial stuff, buying, selling or valuations.\n
      \n
      4: Be safe.\n
      \n
      ---
      """
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      date: 2024-10-20 10:40:08.0 +02:00
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    -id: 11
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    +apDiscoverable: true
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      date: 2024-09-25 09:01:54.0 +02:00
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    +apDeletedAt: null
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    +createdAt: DateTimeImmutable @1687144409 {#270
      date: 2023-06-19 05:13:29.0 +02:00
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  }
  +image: null
  +domain: Proxies\__CG__\App\Entity\Domain {#1889 …}
  +slug: "MOSFET-gate-resistor"
  +title: "MOSFET gate resistor"
  +url: null
  +body: """
    Since MOSFETs have a gate capacitance you’d want to limit the inrush of current from the output of a microcontroller to prevent it from getting damaged prematurely. That’s what gate resistors are usually good for.\n
    \n
    Another thing is that most MOSFETs don’t fully activate with a gate voltage below 10V (n type) so usually a microcontroller pin isn’t good enough for switching large loads.\n
    \n
    I have a 24V system and have made a voltage divider using two 10k resistors to step down 24V to 12V as gate driving voltage which is pulled down with a weaker MOSFET. The power MOSFET essentially ends up with a 10k gate resistor this way meaning it will take a bit longer to fully saturate.\n
    \n
    Is too high harmful? In this situation the load is a heater that activates when the room temperature drops below 18C and deactivates when it gets above 22C so fast switching is not an issue.
    """
  +type: "article"
  +lang: "en"
  +isOc: false
  +hasEmbed: false
  +commentCount: 4
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  +score: 0
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    date: 2024-02-21 15:09:26.0 +01:00
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  +ip: null
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  +badges: Doctrine\ORM\PersistentCollection {#2439 …}
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  -id: 25281
  -titleTs: "'gate':2 'mosfet':1 'resistor':3"
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  +cross: false
  +upVotes: 0
  +downVotes: 0
  +ranking: 1703715529
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/8371777"
  +editedAt: null
  +createdAt: DateTimeImmutable @1703671529 {#1858
    date: 2023-12-27 11:05:29.0 +01:00
  }
}
"App\Security\Voter\UserVoter"
App\Entity\Entry {#2412
  +user: Proxies\__CG__\App\Entity\User {#1978 …}
  +magazine: App\Entity\Magazine {#264
    +icon: Proxies\__CG__\App\Entity\Image {#245 …}
    +name: "askelectronics@discuss.tchncs.de"
    +title: "askelectronics"
    +description: """
      **For questions about component-level electronic circuits, tools and equipment.**\n
      \n
      Rules\n
      -----\n
      \n
      1: Be nice.\n
      \n
      2: Be on-topic (eg: *Electronic*, not *electrical*).\n
      \n
      3: No commercial stuff, buying, selling or valuations.\n
      \n
      4: Be safe.\n
      \n
      ---
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 154
    +entryCommentCount: 1230
    +postCount: 1
    +postCommentCount: 4
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729413608 {#274
      date: 2024-10-20 10:40:08.0 +02:00
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    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#236 …}
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      date: 2024-09-25 09:01:54.0 +02:00
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      date: 2023-06-19 05:13:29.0 +02:00
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  }
  +image: null
  +domain: Proxies\__CG__\App\Entity\Domain {#1889 …}
  +slug: "MOSFET-gate-resistor"
  +title: "MOSFET gate resistor"
  +url: null
  +body: """
    Since MOSFETs have a gate capacitance you’d want to limit the inrush of current from the output of a microcontroller to prevent it from getting damaged prematurely. That’s what gate resistors are usually good for.\n
    \n
    Another thing is that most MOSFETs don’t fully activate with a gate voltage below 10V (n type) so usually a microcontroller pin isn’t good enough for switching large loads.\n
    \n
    I have a 24V system and have made a voltage divider using two 10k resistors to step down 24V to 12V as gate driving voltage which is pulled down with a weaker MOSFET. The power MOSFET essentially ends up with a 10k gate resistor this way meaning it will take a bit longer to fully saturate.\n
    \n
    Is too high harmful? In this situation the load is a heater that activates when the room temperature drops below 18C and deactivates when it gets above 22C so fast switching is not an issue.
    """
  +type: "article"
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    date: 2024-02-21 15:09:26.0 +01:00
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  +children: []
  -id: 25281
  -titleTs: "'gate':2 'mosfet':1 'resistor':3"
  -bodyTs: "'10k':82,110 '10v':53 '12v':89 '18c':145 '22c':152 '24v':72,87 'activ':47,138 'anoth':38 'bit':120 'capacit':6 'current':15 'd':8 'damag':27 'deactiv':147 'divid':79 'drive':92 'drop':143 'end':106 'enough':64 'essenti':105 'fast':154 'fulli':46,123 'gate':5,32,50,91,111 'get':26,150 'good':36,63 'harm':128 'heater':136 'high':127 'inrush':13 'isn':61 'issu':159 'larg':67 'limit':11 'load':68,133 'longer':121 'made':76 'mean':115 'microcontrol':21,59 'mosfet':2,43,101,104 'n':54 'output':18 'pin':60 'power':103 'prematur':28 'prevent':23 'pull':96 'resistor':33,83,112 'room':141 'satur':124 'sinc':1 'situat':131 'step':85 'switch':66,155 'system':73 'take':118 'temperatur':142 'thing':39 'two':81 'type':55 'use':80 'usual':35,57 'voltag':51,78,93 'want':9 'way':114 'weaker':100"
  +cross: false
  +upVotes: 0
  +downVotes: 0
  +ranking: 1703715529
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/8371777"
  +editedAt: null
  +createdAt: DateTimeImmutable @1703671529 {#1858
    date: 2023-12-27 11:05:29.0 +01:00
  }
}
"App\Security\Voter\UserVoter"
null
"App\Security\Voter\UserVoter"
App\Entity\EntryComment {#4029
  +user: App\Entity\User {#3977 …}
  +entry: App\Entity\Entry {#2412
    +user: Proxies\__CG__\App\Entity\User {#1978 …}
    +magazine: App\Entity\Magazine {#264
      +icon: Proxies\__CG__\App\Entity\Image {#245 …}
      +name: "askelectronics@discuss.tchncs.de"
      +title: "askelectronics"
      +description: """
        **For questions about component-level electronic circuits, tools and equipment.**\n
        \n
        Rules\n
        -----\n
        \n
        1: Be nice.\n
        \n
        2: Be on-topic (eg: *Electronic*, not *electrical*).\n
        \n
        3: No commercial stuff, buying, selling or valuations.\n
        \n
        4: Be safe.\n
        \n
        ---
        """
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        date: 2024-10-20 10:40:08.0 +02:00
      }
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      +moderators: Doctrine\ORM\PersistentCollection {#236 …}
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    It really depends how much power/current you are switching. If you are switching 1A with a beefy heatsink FET, the time spent in the linear region is short enough it shouldn’t be a problem. If you are switching 50A though it then you might have a problem. Depending on how that gate divider is set up, you could still potentially damage the gate of the FET when shorting it to ground to discharge it if I understand how its hooked up correctly.\n
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      Since MOSFETs have a gate capacitance you’d want to limit the inrush of current from the output of a microcontroller to prevent it from getting damaged prematurely. That’s what gate resistors are usually good for.\n
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    It really depends how much power/current you are switching. If you are switching 1A with a beefy heatsink FET, the time spent in the linear region is short enough it shouldn’t be a problem. If you are switching 50A though it then you might have a problem. Depending on how that gate divider is set up, you could still potentially damage the gate of the FET when shorting it to ground to discharge it if I understand how its hooked up correctly.\n
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    It really depends how much power/current you are switching. If you are switching 1A with a beefy heatsink FET, the time spent in the linear region is short enough it shouldn’t be a problem. If you are switching 50A though it then you might have a problem. Depending on how that gate divider is set up, you could still potentially damage the gate of the FET when shorting it to ground to discharge it if I understand how its hooked up correctly.\n
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      Is too high harmful? In this situation the load is a heater that activates when the room temperature drops below 18C and deactivates when it gets above 22C so fast switching is not an issue.
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    That’s good. My switching frequency is a few times per hour.\n
    \n
    I am a little bit concerned that the slow rise/fall time make the MOSFET go outside its operating parameters for a fraction of a second. The resistance gradually changes meaning the mosfet will dissipate more power but also less current will flow.\n
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    So if you switch many times per second the gate capacitance with the resistor acts as a low pass filter reducing the gate voltage.
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      Since MOSFETs have a gate capacitance you’d want to limit the inrush of current from the output of a microcontroller to prevent it from getting damaged prematurely. That’s what gate resistors are usually good for.\n
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    That’s good. My switching frequency is a few times per hour.\n
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    That’s good. My switching frequency is a few times per hour.\n
    \n
    I am a little bit concerned that the slow rise/fall time make the MOSFET go outside its operating parameters for a fraction of a second. The resistance gradually changes meaning the mosfet will dissipate more power but also less current will flow.\n
    \n
    So if you switch many times per second the gate capacitance with the resistor acts as a low pass filter reducing the gate voltage.
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      Another thing is that most MOSFETs don’t fully activate with a gate voltage below 10V (n type) so usually a microcontroller pin isn’t good enough for switching large loads.\n
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      Since MOSFETs have a gate capacitance you’d want to limit the inrush of current from the output of a microcontroller to prevent it from getting damaged prematurely. That’s what gate resistors are usually good for.\n
      \n
      Another thing is that most MOSFETs don’t fully activate with a gate voltage below 10V (n type) so usually a microcontroller pin isn’t good enough for switching large loads.\n
      \n
      I have a 24V system and have made a voltage divider using two 10k resistors to step down 24V to 12V as gate driving voltage which is pulled down with a weaker MOSFET. The power MOSFET essentially ends up with a 10k gate resistor this way meaning it will take a bit longer to fully saturate.\n
      \n
      Is too high harmful? In this situation the load is a heater that activates when the room temperature drops below 18C and deactivates when it gets above 22C so fast switching is not an issue.
      """
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  +body: "As long as it fully saturates i thiink it’s fine, i’ve personally only had issues with too slow switching when i switch the mosfet many times a second, or when i didn’t give a high enough voltage to fully saturate it, both of which usually led to a smoky mosfet"
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