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On-board current sensor

FSD7559-B series On-board current sensor

FSD7559-B series current sensor based on TMR tunnel reluctance closed-loop principle. The electrical insulation between the primary and secondary circuits can measure DC, AC and pulse current.
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Description

Advantages

Parameters

Selection

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产品特性/Product characteristics           

• 高精度/High precision

• 优异的线性度/Excellent linearity

• 低温度漂移/Low temperature drift

• 快速响应时间/Fast response time

• 耐压隔离性能强/High voltage isolation performance

• 符合 RoHS & REACH/RoHS & REACH compliant

 

典型应用/Typical application

• 太阳能逆变器/Solar inverter

• 直流发电机/Dc generator

• 不间断电源 (UPS)/Uninterruptible Power Supply (UPS)

• 开关电源 (SMPS)/Switching Power Supply (SMPS)

• 变频转换器 (VFD)/Variable Frequency Converter (VFD)


性能参数/Performance parameter

除特殊说明外 TA  = +25 °C, VCC  = 5 V, RL  = 10 kΩ

TA = +25 °C, VCC = 5 V, RL = 10 kΩ unless otherwise specified

参数

Parameter

符号

Symbol

条件

Conditions

最小值

Minimum value

典型值

Typical value

最大值

Maximum value

单位

Unit

常规指标Conventional index

 

 

额定输入电流

Rated input current

 

 

 

IPN

FSD7559-1000B

-

100

-

 

 

A

FSD7559-1500B

-

150

-

FSD7559-2000B

-

200

-

FSD7559-2500B

-

250

-

 

 

测量电流范围

Measuring  range

 

 

 

IPM

FSD7559-1000B

-300

-

300

 

 

A

FSD7559-1500B

-450

-

450

FSD7559-2000B

-500

-

500

FSD7559-2500B

-500

-

500

 

 

灵敏度

sensitivity

 

 

 

S

 

 

IP  = 0 ~ ±IPN

FSD7559-1000B

-

6.25

-

 

 

mV/A

FSD7559-1500B

-

4.167

-

FSD7559-2000B

-

3.125

-

FSD7559-2500B

-

2.7

-

电源电压

Supply voltage

VCC

±5 %

-

5

-

V

基准输出电压

Reference output voltage

VREF

-

2.485

2.5

2.515

V

零点偏置电压

Zero bias voltage

VOFF

-

-

2.5

-

V

输出电压

Output voltage

VOUT

IP  = 0 ~ ±IPM

-

VOFF  + S × IP

-

V

电流消耗

Current consumption

IC

IP  = 0

-

16

-

mA

静态指标Static index

 

基本误差

Basic error

 

XG

IP  = 0 ~ ±IPN

-

±0.8

-

% IPN

TA = 85 °C, IP  = 0 ~ ±IPN

-

±1.4

-

线性度

linearity

εL

IP  = 0 ~ ±IPN

-

±0.15

-

% IPN

增益对称性

Gain symmetry

εSYM

TA = -40 °C ~ +85 °C, IP  = 0 ~ ±IPN

99

100

101

%

零点失调电压

Zero offset voltage

VOE

TA = +25 °C, IP  = 0

-

-

5

mV

动态指标Dynamic index

响应时间

Response time

tR

di/dt > 50 A/μs, 10% to 90% of IPN

-

1

-

μs

频带宽度

Band width

BW

-3 dB

DC

300

-

kHz

外形尺寸/Overall dimension

FSD7559 使用说明/Instructions

1)  当原边电流（IP）方向沿产品打标处箭头方向流动时，VOUT 为正向，反之则为负向；

When the primary current (IP) direction flows along the arrow direction of the product marking,

VOUT is positive; otherwise, it is negative.

2)  错误接线可能导致传感器损坏；

Incorrect wiring may cause sensor damage.

3)  当原边频率过高时，过大的容性负载可能导致传感器波形可能失真，具体请参考容性负载曲线；

When the primary side frequency is too high, excessive capacitive load may cause distortion of the sensor waveform. For details, refer to the capacitive load curve.

4)  推荐原边铜排充满原边中心穿孔，此时动态表现（di/dt 和响应时间）为最佳；

The dynamic performance (di/dt and response time) is the best when the primary copper bar is full of primary center perforation.

5)  可根据客户需求定制传感器。

Sensors can be customized according to customer needs.


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