Product Overview
The HTCSEMI HT8712 is a fully integrated, Hall effect-based linear current sensor IC offering 2.4kVRMS isolation and a low-resistance current conductor. It provides an economical and precise solution for AC or DC current sensing in industrial, commercial, and communications systems. Key advantages include a low-noise analog signal path, factory-trimmed accuracy, stable output offset voltage, and nearly zero magnetic hysteresis. The device is suitable for applications such as motor control, load detection and management, switch-mode power supplies, and overcurrent fault protection. It is not intended for automotive applications.
Product Attributes
- Brand: HTCSEMI
- Package: SOIC8
- Leadframe Plating: 100% matte tin
- Internal Material: Pb-free (except for flip-chip high-temperature Pb-based solder balls)
- Certifications: UL standard 60950-1 (for isolation voltage)
Technical Specifications
| Part Number | Optimized Range, IP (A) | Sensitivity, Sens (Typ) (mV/A) | TA (C) | Packing |
| HT8712R-05A | 5 | 185 | 40 to 125 | Tape and reel, 2500 pieces/reel |
| HT8712R-20A | 20 | 100 | 40 to 125 | Tape and reel, 2500 pieces/reel |
| HT8712R-30A | 30 | 66 | 40 to 125 | Tape and reel, 2500 pieces/reel |
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Units |
| Supply Voltage | VCC | 4.5 | 5.0 | 5.5 | V | |
| Supply Current | ICC | VCC = 5.0 V, output open | 10 | 13 | mA | |
| Primary Conductor Resistance | RPRIMARY | TA = 25C | 1.2 | m | ||
| Rise Time | tr | IP = IP(max), TA = 25C, COUT = open | 3.5 | s | ||
| Frequency Bandwidth | f | 3 dB, TA = 25C; IP is 10 A peak-to-peak | 80 | kHz | ||
| Total Output Error | ETOT | TA = 25C, Output filtered | 1.5 | % | ||
| Isolation Voltage | VISO | Agency type-tested for 60 seconds per UL standard 60950-1, 1st Edition | 2400 | VAC |
2410121530_HTCSEMI-HT8712R-20A_C19192933.pdf
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