For full hybrid and EV applications, HELLA has designed a shunt-based high voltage current sensor that fulfills the requirements for electrical safety of high voltage components in road vehicles according to international standards.
High Voltage Current Sensor
High Voltage Current Sensor
ADVANTAGES
- Precise shunt-based measurement of current within high voltage applications and
- LIN communication and supply interface
- Greater accuracy compared to today’s Hall sensors (< 1%)
- Precise calculation of ampere-hour balance
- Current consumption < 12 mA in operation
- Insulation resistance > 5 MΩ
- ASIL B qualified (ISO2626-2)
- Additional “Sync line” to ensure a synchronized measurement of the current and the voltage in the cells from a battery.
11/05/2015
| High voltage current sensor | |
| Permanent load current | +/- 220A, Ta. <=85°C, Ub=14V |
| Maximum peak current | +/- 1500A, allowed for 500ms |
| Current consumption | Max. 19.5mA (ADuCM33x) |
| Operating temperature | -40°C … +85°C |
| High voltage insulation strength | Class B (ISO 23273-3) |
| Insulation resistance | > 5 M Ohm |
| Sealing class | IP6K9K (IEC 60529) |
| Weight | < 60 g |
| L x W x H | 100 x 35 x 20 mm |
