Description
The AD7280A1 contains all the functions required for generalpurpose monitoring of stacked lithium ion batteries as used in hybrid electric vehicles, battery backup applications, and power tools.
Features
- 12-bit ADC, 1 μs per channel conversion time 6 analog input channels, common-mode
range 0.5 V to 27.5 V 6 auxiliary ADC inputs ±1.6 mV cell voltage accuracy On-chip voltage regulator Cell balancing interface Daisy-chain interface Internal reference: ±3 ppm/oC 1.8 μA power-down current High input impedance Serial interface with alert function 1 SPI interface for up to 48 channels CRC protection on read and write commands On-chip registers for channel sequencing VDD operating range: 8 V to 30 V Te.