This integrated secondary-side controller combines USB Power Delivery control with synchronous rectification, PWM flyback control, and zero-voltage switching support for USB-C chargers and adapters. It supports USB PD 3.1 with Extended Power Range up to 28 V VBUS and also supports PPS, Quick Charge, Samsung AFC, Apple Charging, and BC 1.2 legacy charging protocols. The device integrates a 32-bit Cortex-M0+ MCU with 64 KB flash, 8 KB SRAM, and 64 KB ROM, and operates from a 3.15 V to 30 V supply. It is offered in a 32-pin QFN package and supports QR, CrCM, DCM, and CCM operation with switching frequencies up to 300 kHz and an operating temperature range of -40 °C to 105 °C.
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Infineon CYPAS211A1-32LQXQ technical specifications.
| Core | 32-bit Cortex-M0+ |
| Flash memory | 64KB |
| SRAM | 8KB |
| ROM | 64KB |
| Supply voltage | 3.15 to 30V |
| Operating temperature range | -40 to 105°C |
| Junction temperature range | -40 to 150°C |
| GPIO count | 10 |
| USB Power Delivery standard | USB PD 3.1 |
| Extended Power Range VBUS | 28V |
| Supported flyback modes | QR, CrCM, DCM, CCM |
| Maximum switching frequency | 300kHz |
| Package pin count | 32 |
| Peak reflow temperature | 260°C |
| ESD HBM | 2000V |
| ESD CDM | 500V |
| RoHS | Compliant |
| Lead Free | Yes |
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