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Specifications
Mfr. Part #:
ACS756SCA-050B-PFF-T
Key Attributes
Model Number:
ACS756SCA-050B-PFF-T
Product Description
Product Overview
The Allegro ACS756 family of Hall Effect-based linear current sensor ICs offers economical and precise AC or DC current sensing solutions for industrial, automotive, commercial, and communication systems. These fully integrated devices feature 3 kVRMS voltage isolation and a low-resistance current conductor, enabling easy implementation and providing solutions for motor control, load detection, power supplies, and overcurrent fault protection. The IC converts the magnetic field generated by current flowing through its integrated copper conductor into a proportional voltage, offering industry-leading noise performance, low power loss, and factory-trimmed accuracy.
Product Attributes
- Brand: Allegro MicroSystems, LLC
- Technology: Hall Effect-Based Linear Current Sensor IC
- Isolation Voltage: 3 kVRMS minimum
- Certifications: UL Certified File No.: E316429, TV America Certificate Number: U8V 14 05 54214 028
- Material: Lead (Pb) free; 100% matte tin plating; no Pb inside package; oxygen-free copper leadframe.
- Status: Not for New Design (Restricted to existing customer applications)
- Recommended Substitution: ACS770xCB
Technical Specifications
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|---|
| Common Operating Characteristics (VCC = 5V) | ||||||
| Supply Voltage | VCC | 3.0 | 5.0 | 5.5 | V | |
| Supply Current | ICC | VCC = 5.0 V, output open | 10 | 14 | mA | |
| Power On Time | tPO | TA = 25C | 35 | s | ||
| Rise Time | tr | IP = three-quarter scale of IP+, TA = 25C, COUT = 0.47 nF | 3 | s | ||
| Internal Bandwidth | BWi | 3 dB; IP is 10 A peak-to-peak; 100 pF from VIOUT to GND | 120 | kHz | ||
| Output Load Resistance (Min) | RLOAD(MIN) | VIOUT to GND | 4.7 | k | ||
| Output Load Capacitance (Max) | CLOAD(MAX) | VIOUT to GND | 10 | nF | ||
| Primary Conductor Resistance | RPRIMARY | TA = 25C | 100 | |||
| Symmetry | ESYM | Over half-scale of Ip | 98.5 | 100 | 101.5 | % |
| Bidirectional 0 A Output | VOUT(QBI) | IP = 0 A, TA = 25C | VCC/2 | V | ||
| Magnetic Offset Error | IERROM | IP = 0 A, after excursion of 100 A | 0.20 | A | ||
| Ratiometry | VRAT | VCC = 4.5 to 5.5 V | 100 | % | ||
| Propagation Time | tPROP | TA = 25C, COUT = 100 pF, | 1 | s | ||
| Performance Characteristics - X050 (Range S: TOP = 20C to 85C, VCC = 5V) | ||||||
| Primary Sampled Current | IP | 50 | 50 | A | ||
| Sensitivity | SensTA | Half scale of IP applied for 5 ms, TA = 25C | 40 | mV/A | ||
| Sensitivity | SensTOP | Half scale of IP applied for 5 ms | 38.3 | 41.7 | mV/A | |
| Noise | VNOISE | TA= 25C, 10 nF on VIOUT pin to GND | 10 | mV | ||
| Nonlinearity | ELIN(HT) | Up to full scale of IP , IP applied for 5 ms, TOP = 25C to 85C | 1 | 1 | % | |
| Nonlinearity | ELIN(LT) | Up to full scale of IP , IP applied for 5 ms, TOP = 20C to 25C | 1 | 1 | % | |
| Electrical Offset Voltage | VOE(TA) | IP = 0 A, TA = 25C | 2 | mV | ||
| Electrical Offset Voltage (Temp) | VOE(TOP)HT | IP = 0 A, TOP = 25C to 85C | 30 | 30 | mV | |
| Electrical Offset Voltage (Temp) | VOE(TOP)LT | IP = 0 A, TOP = 20C to 25C | 30 | 30 | mV | |
| Total Output Error | ETOT(HT) | Over full scale of IP , IP applied for 5 ms, TOP = 25C to 85C | 5 | 5 | % | |
| Total Output Error | ETOT(LT) | Over full scale of IP , IP applied for 5 ms, TOP = 20C to 25C | 5 | 5 | % | |
| Performance Characteristics - X100 (Range S: TOP = 20C to 85C, VCC = 5V) | ||||||
| Primary Sampled Current | IP | 100 | 100 | A | ||
| Sensitivity | SensTA | Half scale of IP applied for 5 ms, TA = 25C | 20 | mV/A | ||
| Sensitivity | SensTOP | Half scale of IP applied for 5 ms | 18.2 | 21.8 | mV/A | |
| Noise | VNOISE | TA= 25C, 10 nF on VIOUT pin to GND | 6 | mV | ||
| Nonlinearity | ELIN(HT) | Up to full scale of IP , IP applied for 5 ms, TOP = 25C to 85C | 1.75 | 1.75 | % | |
| Nonlinearity | ELIN(LT) | Up to full scale of IP , IP applied for 5 ms, TOP = 20C to 25C | 1 | 1 | % | |
| Electrical Offset Voltage | VOE(TA) | IP = 0 A, TA = 25C | 2 | mV | ||
| Electrical Offset Voltage (Temp) | VOE(TOP)HT | IP = 0 A, TOP = 25C to 85C | 30 | 30 | mV | |
| Electrical Offset Voltage (Temp) | VOE(TOP)LT | IP = 0 A, TOP = 20C to 25C | 30 | 30 | mV | |
| Total Output Error | ETOT(HT) | Over full scale of IP , IP applied for 5 ms, TOP = 25C to 85C | 8 | 8 | % | |
| Total Output Error | ETOT(LT) | Over full scale of IP , IP applied for 5 ms, TOP = 20C to 25C | 7 | 7 | % | |
| Performance Characteristics - X050 (Range K: TOP = 40C to 125C, VCC = 5V) | ||||||
| Primary Sampled Current | IP | 50 | 50 | A | ||
| Sensitivity | SensTA | Half scale of IP applied for 5 ms, TA = 25C | 40 | mV/A | ||
| Sensitivity | SensTOP | Half scale of IP applied for 5 ms | 37.2 | 42.8 | mV/A | |
| Noise | VNOISE | TA= 25C, 10 nF on VIOUT pin to GND | 10 | mV | ||
| Nonlinearity | ELIN(HT) | Up to full scale of IP , IP applied for 5 ms, TOP = 25C to 125C | 1 | 1 | % | |
| Nonlinearity | ELIN(LT) | Up to full scale of IP , IP applied for 5 ms, TOP = 40C to 25C | 1.8 | 1.8 | % | |
| Electrical Offset Voltage | VOE(TA) | IP = 0 A, TA = 25C | 2 | mV | ||
| Electrical Offset Voltage (Temp) | VOE(TOP)HT | IP = 0 A, TOP = 25C to 125C | 30 | 30 | mV | |
| Electrical Offset Voltage (Temp) | VOE(TOP)LT | IP = 0 A, TOP = 40C to 25C | 60 | 60 | mV | |
| Total Output Error | ETOT(HT) | Over full scale of IP , IP applied for 5 ms, TOP = 25C to 125C | 7.5 | 7.5 | % | |
| Total Output Error | ETOT(LT) | Over full scale of IP , IP applied for 5 ms, TOP = 40C to 25C | 7.5 | 7.5 | % | |
| Absolute Maximum Ratings | ||||||
| Forward Supply Voltage | VCC | 8 | V | |||
| Reverse Supply Voltage | VRCC | 0.5 | V | |||
| Forward Output Voltage | VIOUT | 28 | V | |||
| Reverse Output Voltage | VRIOUT | 0.5 | V | |||
| Working Voltage for Reinforced Isolation | VWORKING-R | Between pins 1-3 and 4-5; tested at 3000 VAC for 1 minute | 353 | VDC / Vpk | ||
| Working Voltage for Basic Isolation | VWORKING-B | Between pins 1-3 and 4-5; tested at 3000 VAC for 1 minute | 500 | VDC / Vpk | ||
| Output Source Current | IOUT(Source) | 3 | mA | |||
| Output Sink Current | IOUT(Sink) | 1 | mA | |||
| Nominal Operating Ambient Temperature Range | TOP | Range K | 40 | 125 | C | |
| Nominal Operating Ambient Temperature Range | TOP | Range S | 20 | 85 | C | |
| Maximum Junction Temperature | TJ(max) | 165 | C | |||
| Storage Temperature | Tstg | 65 | 165 | C | ||
Package Information
Package: 5-Pin CB Package (suffix PFF)
PCB Layout Reference: Dimensions in millimeters NOT TO SCALE. Refer to DWG-9111 & DWG-9110 for detailed dimensions.
Terminal List
| Number | Name | Description |
|---|---|---|
| 1 | VCC | Device power supply terminal |
| 2 | GND | Signal ground terminal |
| 3 | VIOUT | Analog output signal |
| 4 | IP+ | Terminal for current being sampled |
| 5 | IP | Terminal for current being sampled |
2410171538_ALLEGRO-ACS756SCA-050B-PFF-T_C20433050.pdf
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