HELLA has also designed a shunt-based high voltage current sensor galvanically isolated that it can be used as a standalone component in full hybrid and EV applications.
High voltage current sensor (galvanic isolation)
High voltage current sensor (galvanic isolation)
ADVANTAGES
- Precise shunt-based measurement of current within high voltage applications and batteries with insulation
- Galvanic isolated LIN communication and supply interface
- Greater accuracy compared to today’s Hall sensors (< 1%)
- Precise calculation of ampere-hour balance
- Current consumption < 85 mA
- High voltage insulation strength class B
- Insulation resistance > 5 MΩ
TECHNICAL DATA
11/05/2015
| High voltage current sensor | |
| Permanent load current | +/- 155A, Ta. 105°C, Ub=14V |
| Maximum peak current | +/- 1500A, allowed for 500ms |
| Current consumption | Max.85mA operating mode |
| Operating temperature | -40°C .. +85°C |
| High voltage insulation strength | Class B |
| Insulation resistance | > 5 M Ohm |
| Sealing class | IP6K9K (IEC 60529) |
| Weight | ~ 100g |
| L x W x H | 100 x 35 x 20 mm |
