Allegro MicroSystems ACS37220 EZ Package Evaluation Boards
Allegro MicroSystems ACS37220 EZ Package Evaluation Boards allow for the quick evaluation of Allegro current sensors in a lab setting without needing a custom circuit board. Allegro MicroSystems ACS37220 boards feature enhanced thermal performance. The boards have a 6-layer PCB with a 2-ounce copper weight on all layers.
Features
- Enhanced thermal performance
- 6-layer PCB with 2oz copper weight on all layers
- Nonconductive filled Via-In-Pad used
- High-performance FR4 material with +180°C glass transition temperature
- Flexible instrument connection, standard keystone test points, SMA/SMB connector, or 2-pin headers options are provided
- Sensor-integrated current loop resistance can be measured directly on the evaluation board; voltage drop can be measured for approximating power loss in the package
Kit Contents
- Printed circuit board with populated components
- Available ACS37220 board variants
- ASEK37220LEZA-100B3
- ASEK37220LEZA-150B3
- ASEK37220LEZA-100B5
- ASEK37220LEZA-150B5
- ASEK37220LEZA-200B5
Overview
1. U1 is an EZ package footprint (Pin 1 is on the bottom left side; see the small white dot on the PCB)
2. U1 pins allow the option to connect, RPU: pull-up resistor to VCC, RPD: pull-down resistor to GND, C: decoupling or load capacitor to GND, all passive components are 0603 package size
3. Keystone 5005 test points
4. Standard SMB/SMA connector
5. 2-pin 100 mil header connector option (note: either SMB or header can be assembled)
6. Primary current cables mounting positions (positive current flow direction is left to right)
7. 2-pin 100 mil header connector for voltage drop measurement across the integrated current loop of the current sensor
8. RB1, RB2, RB3, and RB4: rubber bumper mounting positions
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