LTJ 系列磁性识别传感器

STK-PL/AG

STK-PL/AG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-PL/AG电流传感器的标称电流范围包括10 A、20 A、32 A、40 A、50 A。

  • 产品特征
  • 典型应用
产品特征
  • 典型应用

    光伏汇流器箱

    光伏逆变器(MPPT & AC)

    电机驱动控制器

    SMPS & UPS

    电池管理系统

  • 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

     

    10

     

     

    Primary current measuring range

    I_pm

    A

    -25

     

    25

     

    Supply voltage

    Vcc

    V

    4.75

    5

    5.25

     

    Current consumption

    Icc

    mA

     

    5

    10

     

    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

     

    1

     

    Output

    Internal output resistance

    R_ref

    Ω

     

    1

     

    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

    mV

    -8

     

    8

    -40 ~ 105

    Magnetic offset current

    I_om

    A

    -0.25

     

    0.25

    @ ±10 x I_pn

    Theoretical gain

    G_th

    mV/A

     

    80

     

    800 mV @ I_pn

    Error of gain

    Err_G

    %G_th

     

    ±0.5

     

    Trimmed in the factory @ 25

    Temperature drift of gain

    G_TR

    %G_th

    -1.0

     

    1.0

    -40 ~ 105

    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

    Reaction time

    t_ra

    µs

     

    0.1

    0.2

    @ 10% of I_pn

    Step response time

    t_res

    µs

     

    0.2

    0.5

    @ 90% of I_pn

    Delay time

    t_delay

    µs

     

    0.2

     

    1000kHz sine wave

    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

    -2

     

    2

    -40 ~ 105

     

  • Parameter

    Symbol

    Unit

    Min

    Typ

    Max

    Comment

    Primary nominal current rms

    I_pn

    A

     

    10

     

     

    Primary current measuring range

    I_pm

    A

    -25

     

    25

     

    Supply voltage

    Vcc

    V

    4.75

    5

    5.25

     

    Current consumption

    Icc

    mA

     

    5

    10

     

    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

     

    1

     

    Output

    Internal output resistance

    R_ref

    Ω

     

    1

     

    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

    mV

    -8

     

    8

    -40 ~ 105

    Magnetic offset current

    I_om

    A

    -0.25

     

    0.25

    @ ±10 x I_pn

    Theoretical gain

    G_th

    mV/A

     

    80

     

    800 mV @ I_pn

    Error of gain

    Err_G

    %G_th

     

    ±0.5

     

    Trimmed in the factory @ 25

    Temperature drift of gain

    G_TR

    %G_th

    -1.0

     

    1.0

    -40 ~ 105

    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

    Reaction time

    t_ra

    µs

     

    0.1

    0.2

    @ 10% of I_pn

    Step response time

    t_res

    µs

     

    0.2

    0.5

    @ 90% of I_pn

    Delay time

    t_delay

    µs

     

    0.2

     

    1000kHz sine wave

    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

    -2

     

    2

    -40 ~ 105

     

  • Parameter

    Symbol

    Unit

    Min

    Typ

    Max

    Comment

    Primary nominal current rms

    I_pn

    A

     

    10

     

     

    Primary current measuring range

    I_pm

    A

    -25

     

    25

     

    Supply voltage

    Vcc

    V

    4.75

    5

    5.25

     

    Current consumption

    Icc

    mA

     

    5

    10

     

    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

     

    1

     

    Output

    Internal output resistance

    R_ref

    Ω

     

    1

     

    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

    mV

    -8

     

    8

    -40 ~ 105

    Magnetic offset current

    I_om

    A

    -0.25

     

    0.25

    @ ±10 x I_pn

    Theoretical gain

    G_th

    mV/A

     

    80

     

    800 mV @ I_pn

    Error of gain

    Err_G

    %G_th

     

    ±0.5

     

    Trimmed in the factory @ 25

    Temperature drift of gain

    G_TR

    %G_th

    -1.0

     

    1.0

    -40 ~ 105

    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

    Reaction time

    t_ra

    µs

     

    0.1

    0.2

    @ 10% of I_pn

    Step response time

    t_res

    µs

     

    0.2

    0.5

    @ 90% of I_pn

    Delay time

    t_delay

    µs

     

    0.2

     

    1000kHz sine wave

    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

    -2

     

    2

    -40 ~ 105

     

  • 机械尺寸图(mm)