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Texas Instruments SN6501DBVR | Demoboard TIDA-00300 PSE2
Isolated power architecture reference design for communication and analog input/output modules
Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Input voltage | 5 V |
| Switching frequency | 250-620 kHz |
| Output 1 | 6 V |
| IC revision | E1 |
Description
This reference design provides a simple means through which to isolate I2C or SPI type communication lines. This is often required in Grid Infrastructure applications such as, protertion relays and circuit breakers, where high voltages are involved. This reference design provides the complete solution in which, both power isolation and signal isolation is handled
Features
- Push-pull driver for small transformers
- Single 3.3-V or 5-V supply
- High primary-side current drive:
- 5-V Supply: 350 mA (Max)
- 3.3-V Supply: 150 mA (Max)
- Low ripple on rectified output permits small outputcapacitors
- Small 5-Pin SOT-23 Package
Typical applications
- Industrial automation / Process control
- Medical equipment
- Isolated interface power supply for CAN, RS-485, RS-422, RS-232, SPI, I2C, Low-Power LAN
More information
Products
| Order Code | Datasheet | Downloads | Product series | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | L (µH) | VT (V (RMS)) | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750313638 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5 | 0.65 | Reinforced | 300 - 620 | 10 | 1:1.3 | 340 | 5000 | 9.14 | 12.7 | 7.62 | SMT |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Product series | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | L (µH) | VT (V (RMS)) | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|