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PSoC Functional Overview

The key feature set of the Linear Power PSoC family is the ability to be powered from and connect to voltages above the standard 5V logic voltage used by most microcontrollers. The PSoCs HVdd pin can connect to a supply voltage of up to 36V. Internally, an LDO regulator converts the supply voltage to 5V for powering the analog system, digital system, the core, and the GPIO.

特性 Features

1.1 Key Features

• Extended Operating Voltage of 2.5V to 36V

• 2 HV Linear Opamp Control Loops for Driving Power PFETs

• 2 HV Analog Sense Inputs

• 4KB of Flash

• 256 Bytes of SRAM

1.2 Improved Features

• Very Low Current Mode for 100 nA Sleep (Deep Sleep)

• Analog Absolute Accuracy (0.75)

• Additional Flexibility for Sleep Modes

• 2 Comparators with DAC References

• 6- to 12-Bit ADC (20 Ksps at 8 Bits)

• Configurable Analog Mux, 10:1 or 5:2 Differential

• Configurable Digital Blocks

— 8- to 16-Bit Timers and Counters

— Connectable to All GPIO Pins

— Digital Blocks can Drive Outputs to 36V

— Complex Peripherals by Combining Blocks

1.3 Applications

• Battery Chargers (Linear or Fly Back)

• White LED Drivers

• Temperature Sensor (Thermistor, Thermocouple)