Authorized Distributor
?
open loop
| Output Voltage Range | 0.5 ... 4.5 V |
| Supply Voltage | 4.5 ... 5.5 V |
| Current Consumption (IC) | 12 ... 19 mA (typ 14 mA) |
| DC supply voltage (UC) | Min 4.5 / Typ 5 / Max 5.5 V |
| Magnetic flux density measuring range (BM) | Typ ±3.3 mT |
| B Output voltage in a flux density (Uout) | Min 0.5 / Max 4.5 V |
Small drives, BMS, Motor control, UPS, HVAC, White goods, PCB track current sensing. Figure 1: FHS AH package - SOIC-8 Page 1/17 modifications on its transducers, LEM International SA Route du Nant-d’Avril, 152 www.lem.com
The FHS AH 600 is an open loop current transducer from LEM delivering a output sink current of −50 mA.
Typical applications include Small drives, BMS, Motor control and UPS.
Key characteristics from the official datasheet: linearity error −0.5 ... 0.5 % of IPN; frequency bandwidth 100 ... −1 kHz.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | FHS |
| Product Reference | FHS AH 600 |
| Supply Voltage | 4.5 ... 5.5 V |
| Measurement | — |
| Mounting | Busbar Mount |
| Application Domain | — |
| Electrical Data — FHS AH 600 | |
|---|---|
| Supply Voltage (UC) | 4.5 ... 5.5 V |
| Current Consumption (IC) | 12 ... 19 mA (typ 14 mA) |
| DC supply voltage (UC) | Min 4.5 / Typ 5 / Max 5.5 V |
| Magnetic flux density measuring range (BM) | Typ ±3.3 mT |
| B Output voltage in a flux density (Uout) | Min 0.5 / Max 4.5 V |
| Nominal sensitivity (SN) | Typ 600 mV/mT |
| Sensitivity error (εS) | Min −1 / Typ ±0.5 / Max 1 % |
| S Temperature coefficient of (TCS) | Min −200 / Max 200 ppm/K |
| Lifetime sensitivity drift (SL) | Typ ±1.5 % |
| U Output internal resistance of ref (RIref) | Min 120 / Typ 200 / Max 333 Ω |
| Electrical offset voltage (UOE) | Min −10 / Max 10 mV |
| Lifetime offset drift (UOEL) | Typ ±15 mV |
| Remanent field/Magnetic offset (UOM) | Min −9 / Max 9 mV |
| U Temperature coefficient of ref (TCUref) | Min −150 / Max 150 ppm/K |
| U Output internal resistance of out (Rout) | Max 5 Ω |
| Delay time to 10 % of the final output B step value for N (tD10) | Max 2 µs |
| Delay time to 90 % of the final output B value for step N (tD90) | Max 2 µs |
| Internal OCD detection threshold (BIOCDTh) | Typ 4.8 mT |
| Internal OCD threshold error (εIOCDTh) | Min −10 / Max 10 % |
| Internal OCD output on resistance (RonIOCD) | Min 70 / Typ 95 / Max 150 Ω |
| Internal OCD output hold time (tholdIOCD) | Min 7 / Typ 10 / Max 14 µs |
| Internal OCD delay time (tDIOCD) | Min 1.3 / Max 2.1 µs |
| External OCD threshold error (εEOCDTh) | Min −5 / Max 5 % |
| External OCD output on resistance (RonEOCD) | Min 35 / Typ 200 / Max 280 Ω |
| External OCD output hold time (tholdEOCD) | Typ 10 µs |
| External OCD delay time (tDEOCD) | Typ 10 µs |
| Setting External OCD threshold: The external Over-Current-Detection threshold formula: (isdirectlyRE) | Min with the / Typ external / Max resistors set by user |
| E OCD The corresponding sensed magnetic field threshold following formula: (+RREEisdefined−UUrefEOCD) | Min external / Typ voltage / Max threshold ref ref by the |
| Absolute Maximum Ratings | |
|---|---|
| Ambient operating temperature (TA) | −40 ... +125 °C |
| Absolute Maximum Ratings | |
|---|---|
| Ambient storage temperature (TAst) | −55 ... +165 °C |
| Absolute Maximum Ratings | |
|---|---|
| Maximum junction temperature (TJmax) | 165 °C |
| Absolute Maximum Ratings | |
|---|---|
| Output sink current | −50 mA |
| Absolute Maximum Ratings | |
|---|---|
| Output source current | 25 mA |
| Absolute Maximum Ratings | |
|---|---|
| Magnetic flux density (Bmax) | ±3 T |
| Accuracy & Dynamic Performance | |
|---|---|
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Electrical Offset Voltage (VO E) @ IP = 0 | −10 ... 10 mV |
| Frequency Bandwidth | 100 ... −1 kHz |
| Sample | 1 |
| Environmental & Mechanical | |
|---|---|
| Maximum supply voltage (UCmax) | 8 V |
| Electrostatic discharge voltage (HBM-Human Body Model) (UESDHBM) | 2 kV |
| Electrostatic discharge voltage (CDM -Charged Device Model) (UESDCDM) | 500 V |
Note: Specifications are taken from the official FHS AH 600 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the FHS AH 600.
Outline dimensions, pin layout and connection diagrams of the FHS AH 600 are shown below.
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the FHS AH 600.
The characteristic curves of the FHS AH 600 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Nominal sensitivity (SN) | Typ 600 mV/mT |
| Sensitivity error (εS) | Min −1 / Typ ±0.5 / Max 1 % |
| S Temperature coefficient of (TCS) | Min −200 / Max 200 ppm/K |
| Lifetime sensitivity drift (SL) | Typ ±1.5 % |
| U Temperature coefficient of ref (TCUref) | Min −150 / Max 150 ppm/K |
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Frequency Bandwidth | 100 ... −1 kHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
