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Texas Instruments SN6505A | Demoboard TIDA-020019
Automotive isolated CAN and power front end reference design
Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Input voltage | 5 V |
| Output 1 | 5 V / 1 A |
| IC revision | E1 |
Description
This reference design demonstrates reinforced isolated CAN communication, which is widely used in automotive environments, in a small footprint. In hybrid and electric vehicles (HEV/EVs), a complete high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and communication channels interfaced between floating high- to low-voltage systems. This TI design has a low transmission delay, which reduces the loop delay and supports higher baud rates of the CAN.
Features
- Integrated CAN and digital isolator (ISO1042-Q1)
- Low loop delay (typically 139 ηs) to support high-speed arbitration rates
- Inbuilt reinforced digital isolation
- ±70-V bus fault protection
- Compliant with ISO 11898-2 CAN standard
Typical applications
- Starter/Generator, Battery Management Systems, Onboard Chargers
- DC/DC Converters
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | VIN | VOut1(V) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | VT(V (RMS)) | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 22 µH, 2.45 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance22 µH | Performance Rated Current2.45 A | DC Resistance110 mΩ | Self Resonant Frequency17 MHz | Size7345 | VersionRobust | – | – | – | – | – | – | – | – | Length7.3 mm | Width7.3 mm | Height4.5 mm | MountSMT | ||||
 | WE-PPTI Push-Pull Transformers, 440 µH, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Inductance440 µH | – | – | – | Size1512 | VersionPush-Pull | Input Voltage 5 V (DC) | Output Voltage 15 V | Output Current 11 A | Type of InsulationReinforced | Switching Frequency 150 - 800 | Voltage-µSecond46 Vµs | Turns Ratio1:1.1 | Insulation Test Voltage5000 V (RMS) | Length12.32 mm | Width15.41 mm | Height11.89 mm | MountSMT |