Product Overview
The Allegro ACS772 family of current sensor ICs offers economical and precise solutions for AC or DC current sensing. These Hall-effect-based sensors are ideal for applications such as motor control, load detection and management, power supply and DC-to-DC converter control, and inverter control. Featuring a 2.5 s response time for overcurrent fault detection, they provide a galvanically isolated, analog output voltage (VOUT) that varies linearly with the bidirectional primary sensed current (IP). The devices boast ultra-low power loss due to a 100 internal conductor resistance and offer high-level immunity to dV/dt and stray electric fields through integrated shield technology. They are AEC-Q100 Grade 1 qualified and certified with 4800 Vrms dielectric strength under UL60950-1.
Product Attributes
- Brand: Allegro
- Certifications: AEC-Q100 Grade 1 qualified, UL60950-1 certified (4800 Vrms dielectric strength)
- Material: Lead (Pb) free, 100% matte tin plating, oxygen-free copper leadframe.
- Technology: Hall-Effect-Based
- Isolation: Reinforced galvanic isolation
Technical Specifications
| Model | Primary Sampled Current (IP) | Sensitivity (Typ.) (mV/A) | Operating Temperature Range | Output Directionality | Package | Certifications |
|---|---|---|---|---|---|---|
| ACS772LCB-050U-PFF-T | 0 - 50 A | 80 | -40 to 150 C | Unidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772LCB-050B-PFF-T | 50 A | 40 | -40 to 150 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772LCB-100U-PFF-T | 0 - 100 A | 40 | -40 to 150 C | Unidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772LCB-100B-PFF-T | 100 A | 20 | -40 to 150 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772KCB-150U-PFF-T | 0 - 150 A | 26.66 | -40 to 125 C | Unidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772KCB-150B-PFF-T | 150 A | 13.33 | -40 to 125 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772ECB-200U-PFF-T | 0 - 200 A | 20 | -40 to 85 C | Unidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772ECB-200B-PFF-T | 200 A | 10 | -40 to 85 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772ECB-250U-PFF-T | 0 - 250 A | 16 | -40 to 85 C | Unidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772ECB-250B-PFF-T | 250 A | 8 | -40 to 85 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772ECB-300B-PFF-T | 300 A | 6.66 | -40 to 85 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| ACS772ECB-400B-PFF-T | 400 A | 5 | -40 to 85 C | Bidirectional | 5-Pin (CB) | AEC-Q100 Grade 1 |
| General Specifications | ||||||
| Supply Voltage (VCC) | 4.5 - 5.5 V | |||||
| Supply Current (ICC) | 10 - 15 mA (Typ.) | |||||
| Response Time (tRESPONSE) | 2.5 s (Typ.) | |||||
| Bandwidth (Internal) | 200 kHz | |||||
| Primary Conductor Resistance | 100 (Typ.) | |||||
| Dielectric Strength | 4800 Vrms | UL60950-1 | ||||
| Package Thermal Resistance (RJA) | 7 C/W |
2506301205_ALLEGRO-ACS772ECBTV-250B-PFF-T_C3684500.pdf
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