High Precision Closed Loop Hall Effect Current Sensor Null Balance
High Precision Closed Loop Hall Effect Current Sensor Null Balance
TBC-C04 multi-range current sensor is a close loop device based on the measuring principle of the hall effect and null balance method ,with a galvanic isolation between primary and secondary circuit .It provides accurate electronic measurement of DC,AC or pulsed currents.
| Electrical data(Ta=25℃±5℃) |
| Type Parameter | TBC25C04 | TBC50C04 | |
Rated input (Ipn) | 25 | 50 | A |
Measure range(Ip) | 0～±55 | 0～±100 | A |
Measure resister range | 54～360(±15V) | 68～180(±15V) | Ω |
Rated output (Isn) | ±25±0.5%@(Ip=±Ipn) | ±50±0.5%(Ip=±Ipn) | mA |
| Supply voltage | ±15±5% | V | |
| Power consumption | 20+IpX(Np/Ns) | mA | |
| Turns ratio(Np/Ns) | 1-2-3-4:1000 | T | |
Zero offset current | @Ip=0 ≤±0.15 | mA | |
Offset current drift | @ -40℃～+85℃ ≤0.5 | mA | |
Response time | @50A/μS,10%-90% ＜1 | µs | |
| @Ip=0-±Ipn ≤0.1 | %FS | |
Galvanic isolation | @ 50HZ/60HZ,AC,1min 5 | KV | |
| di/dt accurately followed | ＞50 | A/μs | |
Bandwidth(-3dB) | DC…200 | KHz | |
Secondary coil resister | 40 | 30 | Ω |
| Applications |
Variable speed drives
Welding machine
Battery supplied applications
Uninterruptible Power Supplies (UPS)
Electrochemical
| Mechanical dimension(for reference only) |
Remarks:
1. All dimensions are in mm.
2. General tolerance ±1mm.
| Pin connections |
Primary turns | Rated current | Primary resister | Rated output | Pins connections |
| 1 | 25, 50 | | 25, 50 |  |
| 2 | 12, 25 | | 24, 50 |  |
| 3 | 8, 16 | | 24, 48 |  |
| 4 | 6, 12 | | 24, 48 |  |
| Directions for use |
When the current will be measured goes through a sensor ,the current will be measured at the output end.
(Note: The false wiring may result in the damage of the sensor)
Custom design in the different rated input current and the output current available.
| Standards |
- UL94-V0.
- EN60947-1:2004
- IEC60950-1:2001
- EN50178:1998
- SJ 20790-2000
| General date |
| Value | Unit | Symbol | |
| Operating temperature | -40 to +85 | ºC | TA |
| Storage temperature | -40 to +125 | ºC | TS |
| Mass(approx) | 15 | g | M |
| Characteristics chart |
Pulse current signal response characteristic Effects of impulse noise
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