Xiang CHENG, Haoran CHANG, Yan LIU, Chenyang DENG, Xujie YAN. Monolithic optocoupler isolated driver chip[J]. Optics and Precision Engineering, 2023, 31(7): 1022
- Optics and Precision Engineering
- Vol. 31, Issue 7, 1022 (2023)
Fig. 1. Structure and simulation diagram of photodetector
Fig. 2. Spectral response and AC characteristic curves
Fig. 3. Irradiance simulation of optocoupler
Fig. 4. Overall structure of chip
Fig. 5. Overall structure of grid drive chip
Fig. 6. Schematic diagram of transimpedance amplifier
Fig. 7. Schematic diagram of hysteresis comparator
Fig. 8. Simulation results of transimpedance amplifier and hysteresis comparator
Fig. 9. Simulation results of transimpedance amplifier and hysteresis comparator
Fig. 10. Simulation results of logic and dead time control module
Fig. 11. Overall simulation circuit of chip
Fig. 12. Simulation results of overall function of chip
Fig. 13. Chip layout
Fig. 14. Chip test platform
Fig. 15. Chip pin and chip physical drawing
Fig. 16. Overall function verification of chip
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Table 1. HV part logic table
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