SparkFun BOB-12009 Bidirectional Logic Level Converter Sub-Card/OEM Board
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| Product Type | Bidirectional Logic Level Converter |
| Manufacturer | SparkFun Electronics |
| Part Number | BOB-12009 |
| Channel Count | 4 |
| High Voltage Side Range | 1.8V - 5V |
| Low Voltage Side Range | 1.8V - 5V |
| Conversion Direction | Bi-directional (HV↔LV) |
| Core Component | BSS138 MOSFET |
| Typical Rise Time | < 40 ns |
| Typical Opening Time | < 40 ns |
| Typical Delay Time | < 40 ns |
| Connector Type | 12 (SOT-23 package) |
| RoHS Compliance | Yes |
| Supported Interface | I2C, SPI, UART, etc. |
| Applications | Rapid Prototype Development, Embedded Systems, Internet of Things |
| Reference Design File Format | Altium, Eagle, KiCAD, OrCad/Allegro, PADS, etc. |
Manufacturer No.
BOB-12009
Interchange No.
CE07510
Fitment Vehicles
Arduino development board Raspberry PiEmbedded system prototype
Diagnostic and Workshop Supplies - Industrial Encyclopedia
The SparkFun BOB-12009 is a high-performance bidirectional logic level converter designed for signal interconnection between 3.3V and 5V systems. The module is based on the BSS138 MOSFET design and provides 4 independent conversion channels, supporting bidirectional conversion of 1.8V, 2.8V, 3.3V, and 5V levels. With rise time, turn-on time, and delay time all below 40ns, it meets the requirements of common communication protocols such as SPI, I2C. As an OEM board from SparkFun Electronics, the BOB-12009 is RoHS compliant and suitable for rapid prototyping, embedded systems, and IoT projects. The data sheet provides detailed schematics and wiring guides.