PL7211
2ch Power / Energy Metering AFE Controller
OVERVIEW
PL7211 is a highly integrated power monitoring IC that measures electricity-related data for power usage measurement applications. It has built-in 2-channel ADC and a programmable DSP which can adapt to different applications such as metering, power protection and Master / Slave.
PL7211 has a built-in MTP that stores the chip configuration, DSP code and calibration data. It provides SPI / I2C / UART interface and can be used for calibration and programming data or DSP code. MCU can be accessed through SPI / I2C / UART interface.
PL7211 can diagnose the electricity-related data to identify overloading, short circuit, leakage current and arcing condition for further power protection features. It also provides a flexible architecture, low system BOM cost and programmable solution, to help manufacturers minimize development efforts and design a versatile and flexible product.
FEATURE
- ADC Input
- 2-ch 24bit Σ∆ ADC
- 2-ch differential input with PGA (1X~32X)
- For voltage or current signal input
- Programmable DSP function
- Individual program and data space
- Configurable DSP parameters
- Built-in IEEE 754 floating point format conversion
- SPI / I2C / UART interface for
- MCU mode interface
- Calibration and MTP programming usage
- UART auto baud rate detection
- MTP memory for
- Chip configuration
- Calibration data
- DSP configuration data
- 5V / 3.3V to 1.8V internal LDO
- 5V tolerance GPIO
- Supports 16MHz external crystal or internal oscillator
- Built-in Watch-dog timer
PACKAGE
- QFN24