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TLP550

Category: Optical Couplers

Description: Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

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0.15646 1.59258

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  • TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
Part Number Seller's Name Stock Brand Package/Case Date Code Description Price

TLP550

TLP550 has several brands around the world that may have alternate names for TLP550 due to regional differences or acquisition. TLP550 may also be known as the following names:

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    9

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    Description

    Part Number Product Description Summary Price Buy

    Utsource

    66794

    5.0 out of 5 stars

    1 star 0.1%
    2 star 0%
    3 star 0.2%
    4 star 0.3%
    5 star 99.3%

    Total products: 2397884

    Total sales: 12637496

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:9999

    USED

    Toshiba America Electronic Components

    0247+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $0.61468 US $0.55321

    ≥5: US $0.46101 US $0.41491

    ≥10: US $0.32271 US $0.29044

    ≥20: US $0.30734 US $0.27661

    ≥50: US $0.27661 US $0.24895

    ≥100: US $0.26892 US $0.24203

    ≥200: US $0.26124 US $0.23512

    ≥500: US $0.25356 US $0.22820

    ≥1000: US $0.24587 US $0.22128

    More: Inquiry

    TSD Electronics Co.,Ltd.

    51

    4.9 out of 5 stars

    1 star 2%
    4 star 2%
    5 star 96.1%

    Total products: 3944

    Total sales: 13859

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:1544

    USED

    05+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $0.55880 US $0.50292

    More: Inquiry

    Utsource Original Store

    66794

    5.0 out of 5 stars

    1 star 0.1%
    2 star 0%
    3 star 0.2%
    4 star 0.3%
    5 star 99.3%

    Total products: 2397884

    Total sales: 12637496

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:9999

    NEW

    04+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $1.59258 US $1.43332

    ≥5: US $1.06172 US $0.95555

    ≥10: US $0.95555 US $0.85999

    ≥20: US $0.92901 US $0.83610

    ≥50: US $0.90246 US $0.81222

    ≥100: US $0.87592 US $0.78833

    ≥200: US $0.84938 US $0.76444

    ≥500: US $0.83876 US $0.75488

    ≥1000: US $0.82283 US $0.74055

    More: Inquiry

    Xing Sheng Electronics Co.,Ltd.

    4063

    5.0 out of 5 stars

    1 star 0.2%
    3 star 0.2%
    4 star 0.8%
    5 star 98.8%

    Total products: 49402

    Total sales: 127790

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:100

    USED

    9921+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $1.11760 US $1.00584

    More: Inquiry

    Yue Hong Fa Electronics Co.,Ltd.

    844

    5.0 out of 5 stars

    1 star 0.2%
    2 star 0.2%
    4 star 0.9%
    5 star 98.6%

    Total products: 4115

    Total sales: 51420

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:7

    USED

    13+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $0.15646 US $0.14082

    More: Inquiry
    Out of stock

    JIE RONG Electronics Co.,Ltd

    67

    4.7 out of 5 stars

    1 star 4.5%
    4 star 7.5%
    5 star 88.1%

    Total products: 19689

    Total sales: 49369

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:254

    USED

    00+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $0.93878 US $0.84491

    More: Inquiry

    GUANGZEDZ

    624

    5.0 out of 5 stars

    1 star 0.5%
    3 star 0.2%
    4 star 2.4%
    5 star 97%

    Total products: 38938

    Total sales: 143372

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:2

    USED

    Thomson

    03+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $0.39116 US $0.35204

    More: Inquiry
    Out of stock

    ZJ Electronics Co.,Ltd.

    58

    4.8 out of 5 stars

    1 star 1.7%
    2 star 1.7%
    3 star 1.7%
    4 star 3.4%
    5 star 91.4%

    Total products: 20374

    Total sales: 66779

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:20

    NEW

    Thomson

    89+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $1.17348 US $1.05613

    More: Inquiry

    yuansen

    2

    5.0 out of 5 stars

    5 star 100%

    Total products: 6023

    Total sales: 2428

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    TLP550 Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8
    TLP550

    Stock:21

    USED

    Thomson

    09+

    Optocoupler - IC Output, 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 1 Mbps, DIP-8

    ≥1: US $1.15253 US $1.03727

    ≥50: US $1.10014 US $0.99012

    ≥100: US $1.04775 US $0.94298

    More: Inquiry

    Description

       TLP550 constructs a high emitting diode and a one chip photo diode transistor.

       TLP550 has no base connection, and is suitable for application at noisy environmental condition.

       This unit is 8 lead DIP package. 

     

    Features

       Isolation voltage: 2500 Vrms (min.)

       Switching speed: tpHL, tpLH = 0.5μs (typ.)(RL=1.9 k)

       TTL compatible

       UL recognized: UL1577, file No. E67349 Pi

     

    TLP550 is an optocoupler or an optical isolator designed and manufactured by Toshiba Electronics. Main purpose of an optocoupler is transfer digital signal between two circuits whilst electrically isolating before said two circuits. Optocouplers achieve this by optical means. One side of the optocoupler consist of a light source usually a LED is used. Other side consist of some type of optical receiver. So, when the input signal is connected to the input LED it will transmit the signal to the output optical receiver by optical means without using electrical connection between the input and output. There are several types of optocouplers classified by the receiver type and the feedback capabilities. TLP550 is line driver output type optocoupler which means TLP550 can generate actual signal in it’s output pin without any external component. TLP550 is recommended to use in feedback control of SMPS (Switch mode power supplies) and inverter circuits. TLP550 comes in 8 pin DIP package. You can see the pinout of the TLP550 in below image.

    SupplierFile/202006/05/f_761f4db8a0fa42228ace9d62fc49540a.png

     

    Lets identify some of the key features of the TLP550 optocoupler IC.

       2500V RMS maximum isolation capabilities between input and output sides

       TTL signal conversion capabilities

       Low conversion times (falling edge – 5us and rising edge 6us)

       25mA continuous forward current and 20mA pulse forward current LED

       -5V to 15V wide range of supply input voltage.

     

    As mentioned earlier TLP550 is used for feedback applications of SMPS and inverters. Zero crossing detection of an AC mains voltage is also important in such application. Fallowing circuit diagram shows simple AC 220V zero crossing detection circuit using TLP550.

    SupplierFile/202006/05/f_253d7bff193c4388b2ca555c6c3802e5.png

     

    In this circuit 220V AC signal is directly applied to the input LED in series with a 51k resistor to protect the input LED from over current and over voltage. You can calculate the value of this resistor using Ohm’s law equation. When the input is connected, we can get the output digital signal from the output pin directly. A 10k resistor as pullup resistor to reduce any noise and floating signals. You should be careful to not to touch the input side of the TLP550 when the circuit is live as it involves mains voltage and it can be lethal.

     


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