LTJ 系列磁性识别传感器

STK-HO/B

STK-HO/B系列是基于TMR(隧道-磁电阻)技术和开环设计。适用于隔离条件下的直流、交流、脉冲和任何不规则电流测量。STK-HO/B电流传感器的公称电流范围由50 A、75 A、100 A、130 A组成。

  • 产品特征
  • 典型应用
产品特征
  • ●交流变速和伺服电机驱动器

    ●静态转换器为直流电机驱动器

    ●电池供电应用

    ●不间断电源(UPS)

    ●开关模式电源(SMPS)

    ●组合器盒

    ●太阳能逆变器在直流侧的逆变器(MPPT)

    ●等离子切割器,焊接

    ●充电站

  • 极限参数
  • 电气参数(Ta=25℃)
  • 物理参数
  • Parameter

    Symbol

    Unit

    Min

    Typ

    Max

    Comment

    Primary nominal current rms

    I_pn

    A

     

    30

     

    STK-30HO/B

     

     

     

     

    50

     

    STK-50HO/B

     

     

     

     

    75

     

    STK-75HO/B

     

     

     

     

    100

     

    STK-100HO/B

     

     

     

     

    130

     

    STK-130HO/B

    Primary current measuring range

    I_pm

    A

    -75

     

    75

    STK-30HO/B

     

     

     

    -125

     

    125

    STK-50HO/B

     

     

     

    −187.5

     

    187.5

    STK-75HO/B

     

     

     

    -250

     

    250

    STK-100HO/B

     

     

     

    -325

     

    325

    STK-130HO/B

    Supply voltage

    Vcc

    V

    4.75

    5

    5.25

     

    Current consumption

    Icc

    mA

    6

    7

    8

     

    Reference voltage

    Vref

    V

    2.48

    2.5

    2.52

    Output function

    Rated output voltage

    V_FS

    V

     

    0.8

     

    (Vout - Vref )@ I_pn

    Internal output resistance

    R_out

    Ω

     

    70

     

    Output

    Quiescent voltage

    Voff

    V

    2.48

    2.5

    2.52

    Vout @ 0 A

    Electrical offset voltage

    Voe

    mV

    -10

     

    10

    (Vout – Vref) @ 0 A

    Temperature drift of Voe

    Voe_TRange

    %V_FS

    -1.5

     

    1.5

    -40 ~ 105

    Theoretical gain

    G_th

    mV/A

     

    26.666

     

    STK-30HO/B

     

     

     

     

    16

     

    STK-50HO/B

     

     

     

     

    10.666

     

    STK-75HO/B

     

     

     

     

    8

     

    STK-100HO/B

     

     

     

     

    6.154

     

    STK-130HO/B

    Rated linearity error

    Non-L_pn

    %I_pn

    -0.5

     

    0.5

    ±I_pn

    Linearity error @ I_pm

    Non-L_pm

    %I_pm

    -1

     

    1

    ±I_pm

    Step response time

    t_res

    µs

     

    0.2

     

    @ 90% of I_pn

    Frequency bandwidth (-3dB)

    BW

    kHz

     

    1000

     

    No RC circuit

    Output voltage noise

    DC ~ 10 kHz

    DC ~ 100 kHz

    Vnoise

    mVpp

     

     

    15

    25

     

     

    Accuracy @ 25

    X

    % of I_pn

    -1

     

    1

    @ 25

    Accuracy @ -40 ~ 105

    X_TRange

    % of I_pn

    -3

     

    3

    -40 ~ 105

  • Parameter

    Symbol

    Unit

    Min

    Typ

    Max

    Comment

    Primary nominal current rms

    I_pn

    A

     

    30

     

    STK-30HO/B

     

     

     

     

    50

     

    STK-50HO/B

     

     

     

     

    75

     

    STK-75HO/B

     

     

     

     

    100

     

    STK-100HO/B

     

     

     

     

    130

     

    STK-130HO/B

    Primary current measuring range

    I_pm

    A

    -75

     

    75

    STK-30HO/B

     

     

     

    -125

     

    125

    STK-50HO/B

     

     

     

    −187.5

     

    187.5

    STK-75HO/B

     

     

     

    -250

     

    250

    STK-100HO/B

     

     

     

    -325

     

    325

    STK-130HO/B

    Supply voltage

    Vcc

    V

    4.75

    5

    5.25

     

    Current consumption

    Icc

    mA

    6

    7

    8

     

    Reference voltage

    Vref

    V

    2.48

    2.5

    2.52

    Output function

    Rated output voltage

    V_FS

    V

     

    0.8

     

    (Vout - Vref )@ I_pn

    Internal output resistance

    R_out

    Ω

     

    70

     

    Output

    Quiescent voltage

    Voff

    V

    2.48

    2.5

    2.52

    Vout @ 0 A

    Electrical offset voltage

    Voe

    mV

    -10

     

    10

    (Vout – Vref) @ 0 A

    Temperature drift of Voe

    Voe_TRange

    %V_FS

    -1.5

     

    1.5

    -40 ~ 105

    Theoretical gain

    G_th

    mV/A

     

    26.666

     

    STK-30HO/B

     

     

     

     

    16

     

    STK-50HO/B

     

     

     

     

    10.666

     

    STK-75HO/B

     

     

     

     

    8

     

    STK-100HO/B

     

     

     

     

    6.154

     

    STK-130HO/B

    Rated linearity error

    Non-L_pn

    %I_pn

    -0.5

     

    0.5

    ±I_pn

    Linearity error @ I_pm

    Non-L_pm

    %I_pm

    -1

     

    1

    ±I_pm

    Step response time

    t_res

    µs

     

    0.2

     

    @ 90% of I_pn

    Frequency bandwidth (-3dB)

    BW

    kHz

     

    1000

     

    No RC circuit

    Output voltage noise

    DC ~ 10 kHz

    DC ~ 100 kHz

    Vnoise

    mVpp

     

     

    15

    25

     

     

    Accuracy @ 25

    X

    % of I_pn

    -1

     

    1

    @ 25

    Accuracy @ -40 ~ 105

    X_TRange

    % of I_pn

    -3

     

    3

    -40 ~ 105

  • Parameter

    Symbol

    Unit

    Min

    Typ

    Max

    Comment

    Primary nominal current rms

    I_pn

    A

     

    30

     

    STK-30HO/B

     

     

     

     

    50

     

    STK-50HO/B

     

     

     

     

    75

     

    STK-75HO/B

     

     

     

     

    100

     

    STK-100HO/B

     

     

     

     

    130

     

    STK-130HO/B

    Primary current measuring range

    I_pm

    A

    -75

     

    75

    STK-30HO/B

     

     

     

    -125

     

    125

    STK-50HO/B

     

     

     

    −187.5

     

    187.5

    STK-75HO/B

     

     

     

    -250

     

    250

    STK-100HO/B

     

     

     

    -325

     

    325

    STK-130HO/B

    Supply voltage

    Vcc

    V

    4.75

    5

    5.25

     

    Current consumption

    Icc

    mA

    6

    7

    8

     

    Reference voltage

    Vref

    V

    2.48

    2.5

    2.52

    Output function

    Rated output voltage

    V_FS

    V

     

    0.8

     

    (Vout - Vref )@ I_pn

    Internal output resistance

    R_out

    Ω

     

    70

     

    Output

    Quiescent voltage

    Voff

    V

    2.48

    2.5

    2.52

    Vout @ 0 A

    Electrical offset voltage

    Voe

    mV

    -10

     

    10

    (Vout – Vref) @ 0 A

    Temperature drift of Voe

    Voe_TRange

    %V_FS

    -1.5

     

    1.5

    -40 ~ 105

    Theoretical gain

    G_th

    mV/A

     

    26.666

     

    STK-30HO/B

     

     

     

     

    16

     

    STK-50HO/B

     

     

     

     

    10.666

     

    STK-75HO/B

     

     

     

     

    8

     

    STK-100HO/B

     

     

     

     

    6.154

     

    STK-130HO/B

    Rated linearity error

    Non-L_pn

    %I_pn

    -0.5

     

    0.5

    ±I_pn

    Linearity error @ I_pm

    Non-L_pm

    %I_pm

    -1

     

    1

    ±I_pm

    Step response time

    t_res

    µs

     

    0.2

     

    @ 90% of I_pn

    Frequency bandwidth (-3dB)

    BW

    kHz

     

    1000

     

    No RC circuit

    Output voltage noise

    DC ~ 10 kHz

    DC ~ 100 kHz

    Vnoise

    mVpp

     

     

    15

    25

     

     

    Accuracy @ 25

    X

    % of I_pn

    -1

     

    1

    @ 25

    Accuracy @ -40 ~ 105

    X_TRange

    % of I_pn

    -3

     

    3

    -40 ~ 105

  • 机械尺寸图(mm)