Orderable parts
| Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
|---|---|---|---|---|
| NCA9539BY | NCA9539BYHP | 935691548128 | SOT8041-1 | Order product |
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Click here for more informationNCA9539BY
Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers
Alternatives
Parametrics
| Type number | VCC (V) | VCC(B) (V) | Logic switching levels | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|
| NCA9539BY | 1.65 - 5.5 | - | CMOS | low | -40~85 | HWQFN24 |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| NCA9539BY | NCA9539BYHP (935691548128) |
Active | NCA9539 |
HWQFN24 (SOT8041-1) |
SOT8041-1 | SOT8041-1_128 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| NCA9539BY | NCA9539BYHP | NCA9539BY |
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Documentation (12)
| File name | Title | Type | Date |
|---|---|---|---|
| NCA9539 | Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers | Data sheet | 2024-08-05 |
| AN90044 | A study of I2C with examples | Application note | 2023-07-03 |
| AN90063 | Questions about package outline drawings | Application note | 2025-09-15 |
| nca9539 | NCA9539 IBIS model | IBIS model | 2023-04-07 |
| Leaflet_SOT8065_Minilogic | Leaflet_SOT8065 Minilogic | Leaflet | 2024-11-15 |
| SOT8041-1 | plastic thermal enhanced very very thin Quad Flat packages, no leads;24 terminals; 0.5 mm pitch; 4 x 4 x 0.75 mm body | Package information | 2024-04-23 |
| SOT8041-1_128 | QFN4x4 24L; Reel pack for SMD, 13"; Q2/T3 product orientation | Packing information | 2022-08-01 |
| NCA9539BY_Nexperia_Product_Reliability | NCA9539BY Nexperia Product Reliability | Quality document | 2025-06-23 |
| NCA95XX_Arduino_Sketches | NCA95XX Arduino™ Sketch Examples | Software | 2023-03-12 |
| NCA95XX_EVB_Software | NCA95XX EVB GUI | Software | 2023-03-12 |
| UM90016 | NCA95xx GPIO expander EVB (Arduino™ shield compatible) | User manual | 2024-02-23 |
| UM90017 | NCA95XX Evaluation Board: Quick-Start Guide | User manual | 2023-01-18 |
Support
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Longevity
The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| nca9539 | NCA9539 IBIS model | IBIS model | 2023-04-07 |
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Status | Packing | Packing Quantity | Buy online |
|---|---|---|---|---|---|---|
| NCA9539BY | NCA9539BYHP | 935691548128 | Active | SOT8041-1_128 | 3,000 |
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Sample
As a Nexperia customer you can order samples via our sales organization.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples. Check out the list of official distributors.
How does it work?
The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.