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TMR Current Sensor Pololu ACS37100 ±25A 3.3V - Pololu 5478
ID: 1207066
zł84.00
Tax included
zł68.29 tax excl.
Current measurement module using the Allegro ACS37100LMATR-025B3 TMR sensor with a galvanically isolated current path. It enables bidirectional current measurement in the ±25 A range, offering measurement bandwidth up to 10 MHz and a short response time of approximately 50 ns. The larger carrier board provides more space for larger connectors and thicker wires. Pololu 5478
Description
Module Pololu was designed as a large carrier board for the Allegro ACS37100LMATR-025B3 current sensor. The sensor uses TMR technology and provides galvanic isolation of the current measurement path. The measurement range is -25 A to +25 A, while the typical sensitivity is 52.8 mV/A. With a 3.3 V supply voltage, the output voltage at 0 A is approximately 1.65 V.
High measurement bandwidth up to 10 MHz and a typical response time of approximately 50 ns allow the module to be used in fast control systems, power converters, motor drives, and energy monitoring systems. The low resistance of the main current path, typically 1.2 mΩ, helps reduce voltage drop and power losses. The analog VOUT output is proportional to the measured current, while the VREF output can be used to reduce errors caused by noise and reference voltage shifts.
The Large Carrier version uses a 6-layer PCB with 2 oz copper and provides more space for larger connectors and thicker wires in the high-current path. The minimum PCB creepage distance is approximately 10.1 mm, while the sensor IC isolation rating is 1097 VRMS. The board measures approximately 35.6 × 30.5 mm.
Features
- Manufacturer: Pololu
- Pololu product number: 5478
- Carrier version: Large Carrier
- Sensor: Allegro ACS37100LMATR-025B3
- Measurement technology: TMR
- Current measurement range: -25 A to +25 A
- Bidirectional current measurement
- Typical supply voltage: 3.3 V
- Supply voltage range: 3.0–3.6 V
- Sensitivity: 52.8 mV/A
- Output voltage at 0 A: 1.65 V
- Measurement output: analog VOUT
- Reference voltage output: VREF
- Measurement bandwidth: up to 10 MHz
- Typical response time: 50 ns
- Current path resistance: typically 1.2 mΩ
- Galvanically isolated current measurement path
- Sensor IC isolation rating: 1097 VRMS
- Minimum PCB creepage distance: 10.1 mm
- Supply current: typically 10 mA
- PCB: 6-layer, 2 oz copper
- Adjustable overcurrent threshold
- FAULT overcurrent detection output
- Board dimensions: approximately 35.6 × 30.5 mm
- Supports larger connectors and thicker wires
1207066
Data sheet
- Interface
- Sygnał analogowy
- Zakres pomiarowy
- ±25 A
- Sposób podłączenia
- Szeregowy
Manufacturer
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
Responsible person
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
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