Datasheet MCA1101-5-3, MCA1101-20-3, MCA1101-50-3 (Aceinna)

High Accuracy Current Sensor IC with 1.5MHz 3dB Bandwidth and Isolation ±5A, ±20A, ±50A, 3.3V, Fixed Gain MCA1101-xx-3 FEATURES DESCRIPTION AMR based integrated current sensor
The MCA1101 products are ±5A, ±20A, ±50A fully integrated
Superior Range & Accuracy
bi-directional analog output current sensors that deliver both
0.6% typical total error @25°C (MCA1101-20-3)
high accuracy and high bandwidth. ACEINNA’s state-of-the-
2.0% max error over temperature (MCA1101-20-3)
art Anisotropic Magneto Resistive (AMR) sensor technology
Superior Frequency Response
provides inherently low noise, excellent linearity and
1.5 MHz (typical 3dB BW)
repeatability.
Fast output response time (300ns typical)
A fully isolated current path is provided by a low resistance
Low Primary Resistance (0.9 mΩ)
copper conductor integrated into the package making it
Single 3.3V Supply Operation
suitable for both high-side and low side bi-directional current
Low power consumption (4.5mA typical)
sensing. The high bandwidth of 1.5MHz (3dB) and low phase
Zero-Current Reference Pin (Vref)
delay makes it ideal for current sense feedback loops in motor
Overcurrent fault detection
control, inverters, uninterruptible power supplies, battery
SOIC-16 package (RoHS/REACH compliant)
management, power factor correction, high voltage
-40 to +105°C Operating Temperature Range
distribution bus converters and power supply applications,
UL/IEC/EN60950-1 Certified
including those with fast switching wide-bandgap SiC and
4.8 kV Dielectric Strength Voltage
GaN based power stages.
1097 VRMS Basic Isolation Voltage
These devices are factory-calibrated to achieve low offset
400 VRMS Reinforced Isolation Voltage
error and provide a precise analog voltage output that is linearly proportional to the conduction current (AC or DC) with sensitivity (mV/A) compatible with A/D converters and analog
APPLICATIONS
control loops in power systems. The AMR sensor device structure is designed to eliminate sensitivity to stray and
Server, Telecom, & Industrial Power Supplies
common mode magnetic fields.
Power Aggregation, Over-Current Protection Dynamic Current Sensing in Feedback Loops
Due to the inherently low output noise of ACEINNA’s sensor
PFC and Inverter Control
technology, additional filtering is not required to reduce noise
Motor Control Loops & Protection
that reduces accuracy at low-level currents in systems with
Automation, Robotics, Servo Systems
dynamic load profiles.
Automotive & EV Power Systems
The MCA1101 products in SOIC-16 package are simple to
Solar Inverters and Optimizers
use with no or minimal external components (other than
Grid-Tie and Storage Current Monitoring
decoupling capacitor) enabling fast design, supports high
MPPT Circuit Current Monitoring
isolation and are UL/IEC/EN60950-1 certified.
Central Inverter Current Monitoring Consumer Motor Balance and Remote Device Monitoring Home Automation Control & IOT remote sensing
VCC R1 33K IP+ Optional circuitry for VOC overcurrent detection R2 IP+ Primary Current GND IP+ Input GND To ADC pin on IP+ Vref MCU or A/D input Vout To ADC pin on IP- VCC MCU or A/D input IP- Primary Current GND VCC R3 IP- Output VCC C1 100nF 10K Intterupt IP- FAULTB to MCU Figure 1 - Application Circuit Information furnished by ACEINNA is believed to be accurate and reliable. However, no responsibility is assumed by ACEINNA for its use, or for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of ACEINNA. ACEINNA reserves the right to change this specification without notification.