Product Overview
The Allegro CT416 is a high-bandwidth, ultra-low noise integrated contact current sensor utilizing XtremeSense TMR technology. It offers high accuracy current measurements for industrial, consumer, and automotive applications, supporting eight current ranges up to 65 A with a linear analog output voltage. The device features a fast response time of approximately 300 ns, low current consumption, and immunity to common-mode fields. It is designed for applications such as solar/power inverters, UPS, SMPS, telecom power supplies, motor control, power utility meters, and overcurrent fault protection.
Product Attributes
- Brand: Allegro MicroSystems
- Technology: XtremeSense TMR
- Package: 8-lead SOIC
- Certifications: UL/IEC 62368-1, UL1577, AEC-Q100 Grade 1
- Compliance: Green and RoHS compliant
- Product Status: Not for New Design (as of March 28, 2025)
Technical Specifications
| Model | Current Range (IPMAX) | Sensitivity (mV/A) | Operating Temperature (C) | Package Dimensions (mm) | Total Output Error (FS) | Bandwidth | Response Time | Supply Voltage | Current Consumption |
|---|---|---|---|---|---|---|---|---|---|
| CT416-HSN820MR | 20 A | 50 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN830MR | 30 A | 33.3 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN850MR | 50 A | 20 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN865MR | 65 A | 15.4 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN820DR | 0 to 20 A | 100 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN830DR | 0 to 30 A | 66.7 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN850DR | 0 to 50 A | 40 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-HSN865DR | 0 to 65 A | 30.8 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN820MR | 20 A | 50 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN830MR | 30 A | 33.3 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN850MR | 50 A | 20 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN865MR | 65 A | 15.4 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN820DR | 0 to 20 A | 100 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN830DR | 0 to 30 A | 66.7 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN850DR | 0 to 50 A | 40 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| CT416-ASN865DR | 0 to 65 A | 30.8 | 40 to 125 | 4.89 6.00 1.62 | 1.0% | 1 MHz | ~300 ns | 3.0 to 3.6 V | ~6.0 mA |
| Isolation Ratings: Rated isolation voltage: 2.5 kVRMS, Working voltage for basic isolation: 560 VRMS, Working voltage for reinforced isolation: 280 VRMS | |||||||||
| Noise: 9.5 to 19.0 mARMS @ fBW = 100 kHz | |||||||||
| Common Mode Field Rejection Ratio: 40 dB | |||||||||
| Power-On Time (tON): 100 s | |||||||||
| Response Time (tRESPONSE): ~300 ns | |||||||||
| Propagation Delay (tDELAY): ~250 ns | |||||||||
| Undervoltage Lockout (UVLO): Rising VDD 2.50 V, Falling VDD 2.45 V | |||||||||
| Current Carrying Conductor Maximum Current (ICCC(MAX)): 70 A | |||||||||
2510091532_ALLEGRO-CT416-HSN850MR_C29129393.pdf
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