Texas Instruments Debuts LMP92064 Digital Current Sensor and Voltage Monitor

Texas Instruments (TI) LMP92064 digital current sensor and voltage monitor

Texas Instruments announced the LMP92064 IC. It is the industry’s first digital current sensor and voltage monitor with simultaneous sampling and SPI interface. The TI LMP92064 is available now in a 16-pin, 5-mm x 4-mm WSON package for a suggested retail price of $1.99 in 1,000-unit quantities. The LMP92064 is ideal for applications where precise power monitoring is crucial, such as communications infrastructure applications, including telecom, servers and central office equipment.

TI LMP92064 Digital Current Sensor and Voltage Monitor Features

  • Two Simultaneous Sampling 12-bit ADCs Conversion Rate: 125 kSps (min)
  • 12-bit Current Sense Channel Input-referred Offset: ±15 µV
  • Common-mode Voltage Range: -0.2V to 2V
  • Maximum Differential Input Voltage: +75 mV
  • Fixed Gain: 25 V/V
  • Gain Error: ±0.75 % (max)
  • Bandwidth (-3dB): 70 kHz
  • DC PSRR: 100 dB
  • DC CMRR: 110 dB
  • 12-bit Voltage Channel INL: ±1LSB
  • Offset Error: ±2 mV (max)
  • Gain Error: ±0.75% (max)
  • Maximum Input Voltage: +2.048V
  • Bandwidth: 100 kHz
  • Internal Reference
  • SPI Frequency: Up to 20 MHz
  • Temperature Range: -40°C to +105°C
  • WSON-16 Package

The TI LMP92064 integrates a precision current sense amplifier and two 12-bit analog-to-digital converter (ADC) channels that simultaneously capture voltage and current data, while the SPI interface transfers real-time data at up to 20 MHz. This enables the device to provide the highest precision power calculations of any device on the market today.

More info: Texas Instruments LMP92064 Digital Current Sensor and Voltage Monitor (pdf)