Integrated current sensor

FCS series Integrated current sensor

FCS series is a high-bandwidth, high-speed response and low-noise current sensor integrated chip series, suitable for many applications including automotive, industrial, consumer and communication systems, providing high-speed, high-bandwidth integrated solutions for AC, DC and inverter high frequency switching power supply current detection. The chip family offers a variety of output modes.

Description

Advantages

Parameters

Selection

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优势特点:Advantages and features:

l 应用高灵敏度hall感应原理的开环型电流传感器

Open loop current sensor with high sensitivity hall induction principle

l 单电源3.3V供电

Single power supply 3.3V

l 支持单向或双向输出

Support unidirectional or bidirectional output

l 模拟信号输出

Analog signal output

l 原边测量电流范围可从±20A-±75A

The measuring current range on the primary side can be from ±20A to ±75A

l 传感器工作温度范围:-40 °C to +125 °C

Sensor operating temperature range: -40 °C to +125 °C

l 零点输出电压:

Zero output voltage:

-xR:偏置QVO与供电电源VCC等比例输出,比率增益Gain VQVO=VCC/2 or VCC/10

-xR: bias the output of the QVO and the VCC of the power supply. The ratio Gain is VQVO=VCC/2 or VCC/10

l 差分霍尔传感器、 良好的精度、线性度以及温漂

 Differential Hall sensors, good accuracy, linearity and temperature drift

l 低内阻,可有效控制发热功耗

Low internal resistance, can effectively control heating power consumption

产品应用:Product Application

l EV/HEV充电器和DC-DC电源

EV/HEV charger and DC-DC power supply

l 光伏逆变电源和UPS

Photovoltaic inverter power supply and UPS

l 电机控制和变频器

Motor control and inverter

l 开关电源、通讯和服务器电源

Switching power supply, communication and server power supply

 


通用电气参数 General electric parameter

VCC = 3.3V 时的直流工作参数(除非另有说明),TA 在规定温度范围内。

Dc operating parameters at VCC = 3.3V (unless otherwise specified), TA within the specified temperature range.

 

Parameter

Symbol

Condition

Min

Typ.

Max

Unit

供电电压

Supply voltage

VCC


3.0

3.3

3.6

V

供电电流

Supply current

ICC

RL  10KΩ


16


mA

上电延迟

Power-on delay

TPO

TA=25°C



1000

μs

QVO 随动误差(-R)

QVO follow-up error (-R)

Er


-0.3


0.3

%

零电流输出

Zero current output

VQVO

FCS-xxxBR-3

 

TA = 25°C

VCC/2

 

V

FCS-xxxUR-3

VCC/10

输出电压范围@IP

Output voltage range @IP

VOUT-VQVO

FCS-xxxBR-3

±1.32

FCS-xxxUR-3

2.64

负载电阻

Load resistance

RL

VOUT to VCC or GND

5



负载电容

Load capacitance

CL

VOUT TO GND



10

nF

响应时间

Response time

tRESPONSE

TA=25°C, CL=1nF, IP  step=50% of IP+, 90%输入  90%输出


 

0.7


μs

带宽

Bandwidth

BW

小信号 –3dB, CL=1nF, TA=25°C


0.7

1

MHz

输出阻抗

Output impedance

ROUT

TA = 25°C



20


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