Datasheet MCR1101-5-3, MCR1101-20-3, MCR1101-50-3 (Aceinna)

High Accuracy Current Sensor IC with 1.5MHz 3dB Bandwidth and Isolation ±5A, ±20A, ±50A, 3.3V, Ratiometric MCR1101-xx-3 FEATURES DESCRIPTION AMR based integrated current sensor
The MCR1101 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 (MCR1101-20-3)
high accuracy and high bandwidth. ACEINNA’s state-of-the-
2.0% max error over temperature (MCR1101-20-3)
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
Overcurrent fault detection
delay makes it ideal for current sense feedback loops in motor
SOIC-16 package (RoHS/REACH compliant)
control, inverters, uninterruptible power supplies, battery
-40 to +105°C Operating Temperature Range
management, power factor correction, high voltage
UL/IEC/EN60950-1 Certified
distribution bus converters and power supply applications,
4.8 kV Dielectric Strength Voltage
including those with fast switching wide-bandgap SiC and
1097 VRMS Basic Isolation Voltage
GaN based power stages.
400 VRMS Reinforced Isolation Voltage
These devices are factory-calibrated to achieve low offset error and provide a precise analog voltage output that is linearly proportional to the conduction current (AC or DC) with
APPLICATIONS
sensitivity (mV/A) compatible with A/D converters and analog
Server, Telecom, & Industrial Power Supplies
control loops in power systems. The AMR sensor device structure is designed to eliminate sensitivity to stray and
Power Aggregation, Over-Current Protection
common mode magnetic fields.
Dynamic Current Sensing in Feedback Loops PFC and Inverter Control
Due to the inherently low output noise of ACEINNA’s sensor
Motor Control Loops & Protection
technology, additional filtering is not required to reduce noise
Automation, Robotics, Servo Systems
that reduces accuracy at low-level currents in systems with
Automotive & EV Power Systems
dynamic load profiles.
Solar Inverters and Optimizers Grid-Tie and Storage Current Monitoring
The MCR1101 products in SOIC-16 package are simple to
MPPT Circuit Current Monitoring
use with no or minimal external components (other than
Central Inverter Current Monitoring
decoupling capacitor), supports high isolation and are
Consumer
UL/IEC/EN60950-1 certified.
Motor Balance and Remote Device Monitoring Home Automation Control & IOT remote sensing
VCC R1 33K Optional circuitry for IP+ VOC overcurrent detection IP+ Primary Current GND R2 IP+ Input GND IP+ Vcap C2 10nF To ADC pin on IP- Vout VCC MCU or A/D input IP- Primary Current GND VCC R3 IP- Output VCC C1 100nF 10K IP- Intterupt 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.