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Pololu I²C Isolator with Isolated Power and Connectors, ISO1640, MIE1W0505BGLVH, 5V/3.3V, 200mA
This module enables galvanically isolated bidirectional I²C communication between two devices while supplying regulated, isolated power to the target. The bidirectionality applies to both SDA and SCL, which allows for clock stretching. The output voltage is set to 5 V out by default and can be changed to 3.3 V through a selection pin. This version has JST SH-style 4-pin connectors that are compatible with Qwiic and Stemma QT. Power specs:
| Input voltage | Output voltage | Max output current |
|---|---|---|
| 4.5 V to 5.5 V | 5 V (default) or 3.3 V (selectable) | 200 mA |
| 3 V to 3.6 V | 3.3 V | 75 mA |
Alternatives available with variations in these parameter(s): connectors? isolated power transfer? Select variant…
Compare all products in Isolation or Isolated DC-DC Power Modules.
| Description | Specs (11) | Pictures (12) | Resources (6) | FAQs (0) | On the blog (0) | Distributors (1) |
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File downloads
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Dimension diagrams of the Pololu I2C Isolator with Isolated Power, ISO1640, MIE1W0505BGLVH, 5V/3.3V, 200mA (395k pdf)
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3D model of the Pololu I²C Isolator with Isolated Power, ISO1640, MIE1W0505BGLVH, 5V/3.3V, 200mA (5MB step)
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Drill guide for the Pololu I²C Isolator with Isolated Power, ISO1640, MIE1W0505BGLVH, 5V/3.3V, 200mA (15k dxf)
This DXF drawing shows the locations of all of the board’s holes.
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MPS MIE1W0505BGLVH datasheet (624k pdf)
Recommended links
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TI ISO1640BDR datasheet
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MPS product page for the MIE1W0505BGLVH 5V, 1W, Regulated, 2.5kVRMS Isolated DC/DC Module
MPS product page for the MIE1W0505BGLVH, where you can find application notes and other resources.
Related products
Coupon Discount
P5392P5393INTRO: Get one or more of #5392 Pololu I²C Isolator with Isolated Power, ISO1640, MIE1W0505BGLVH, 5V/3.3V, 200mA and #5393 Pololu I²C Isolator with Isolated Power and Connectors, ISO1640, MIE1W0505BGLVH, 5V/3.3V, 200mA at $6.49 (limit 5 per item). This offer expires after 100 uses. This offer is valid through 30 Apr 2025.
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