Orderable parts
| Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
|---|---|---|---|---|
| NXF6505BDA-Q100 | NXF6505BDA-Q100Z | 935691940342 | SOT8061-1 | Order product |
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Click here for more informationNXF6505BDA-Q100
Low-noise, 1.2 A transformer driver for isolated power supplies
The NXF6505A/B-Q100 is a specialized push-pull transformer driver that is designed for isolated power supplies in small form factors. This driver is capable of driving low-profile, center-tapped transformers from a 2.25 V to 5.5 V DC power supply, while achieving ultra-low noise and EMI using slew rate control and Spread Spectrum Clocking (SSC).
The NXF6505A/B-Q100 features internal protection features such as current limiting, undervoltage lockout, thermal shutdown, and break-before-make circuitry, ensuring the device operates within safe limits. The device also includes a soft-start feature that prevents high inrush current during power-up with large load.
The NXF6505A/B-Q100 is constructed using an oscillator and a gate drive circuit that produces complementary output signals to drive ground-referenced N-channel power switches. These two complementary 1.2 A Power-MOSFET switches can be used to provide >6 W power. The 440 kHz internal oscillator for applications that require higher efficiency and smaller transformers. The NXF6505A/B-Q100 is available in a small 6 pin SOT8061-1 package and is characterized for operation within a temperature range of -55 °C to 125 °C.
This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.
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Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from -55 °C to +125 °C
Push-pull driver for transformers, optimized for low EMI:
- Slew-rate control output
- Spread Spectrum Clocking (SSC)
- Wide input voltage range: 2.25 V to 5.5 V
- High output drive: 1.2 A at 5 V supply
- Low RON 0.2 Ω maximum at 5 V supply
- Internal switching frequency:
- for NXF6505A-Q100: 160 kHz
- for NXF6505B-Q100: 440 kHz
- Synchronization of multiple devices with external clock input
- 2.2 A current limit at 5 V
- Enable pin to put device in low shutdown current: <1 μA
- Thermal shutdown protection
- Soft-start start-up
- Small 6 pin SOT8061-1 (SC-74; TSOP-6) package
ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 3A exceeds 6000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1500 V
Applications
- Isolated power supply for automotive and industrial applications including:
- CAN, RS-485, RS-422, RS-232, SPI, I²C, low-power LAN
- Low-noise isolated USB supplies
- Process control
- Telecom supplies
- Radio supplies
- Distributed supplies
- Medical instruments
- Precision instruments
- Low-noise filament supplies
- Motor control
- Isolated power supplies for automotive (AEC-Q100)
- Traction inverter
- DC-DC converter
- Battery management system
- On-board charger
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| NXF6505BDA-Q100 | NXF6505BDA-Q100Z (935691940342) |
Samples available / Development | N5B |
TSOT23-6FC (SOT8061-1) |
SOT8061-1 | SOT8061-1_342 |
Boards
| Part number | Description | Type | Quick links | Shop link |
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Description The NXF6505B evaluation board enables the evaluation of Nexperia's NXF6505B - a low noise, 1.2 A push-pull transformer driver for isolated power supplies. The EVB can provide the isolated power supply with one positive output voltage. For easy evaluation of this EVB, the test points are added to measure the circuitry voltages.
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Type Evaluation board
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Quick links
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Shop link
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Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| NXF6505BDA-Q100 | NXF6505BDA-Q100Z | NXF6505BDA-Q100 |
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Documentation (8)
| File name | Title | Type | Date |
|---|---|---|---|
| NXF6505_Q100 | Low-noise, 1.2 A transformer driver for isolated power supplies | Data sheet | 2024-09-17 |
| NXF6505_IBIS_Model | NXF6505 IBIS model | IBIS model | 2024-04-25 |
| SOT8061-1 | plastic, surface-mounted package; 6 leads; 0.95 mm pitch; 2.9 mm x 1.6 mm x 1.1 mm body | Package information | 2024-04-09 |
| SOT8061-1_342 | TSOT23-6FC; Reel dry pack for SMD, 7"; Q3/T4 product orientation | Packing information | 2024-04-29 |
| NXF6505B_SpiceModel | NXF6505B Spice model | SPICE model | 2024-04-25 |
| TN90008 | Reduce radiated emissions in isolated power designs using NXF650x-Q100 | Technical note | 2024-09-16 |
| TN90009 | Protection features of NXF5650x transformer drivers | Technical note | 2024-10-01 |
| UM90035 | NXF6505B-Q100 Low noise, 1.2 A transformer driver for isolated power supplies evaluation board | User manual | 2024-07-02 |
Support
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Models
| File name | Title | Type | Date |
|---|---|---|---|
| NXF6505_IBIS_Model | NXF6505 IBIS model | IBIS model | 2024-04-25 |
| NXF6505B_SpiceModel | NXF6505B Spice model | SPICE model | 2024-04-25 |
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Status | Packing | Packing Quantity | Buy online |
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Sample
As a Nexperia customer you can order samples via our sales organization.
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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.
NXF6505BDA-Q100
Low-noise, 1.2 A transformer driver for isolated power supplies
Buy from Nexperia
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