Abstract: The present invention relates to a battery management circuit, comprising a signal extraction unit, a clock capture unit, a voltage-controlled oscillator, and a voltage sampling unit. The signal extraction unit is suitable for extracting a synchronous pulse signal from a communication bus connected to the battery management circuit. The clock capture unit is connected to the signal extraction unit, and is suitable for generating a clock signal according to the synchronous pulse signal. The voltage-controlled oscillator is suitable for transforming a battery unit voltage into a voltage frequency signal. The voltage sampling unit is suitable for sampling the voltage frequency signal according to the clock signal to obtain a sampling voltage of the battery unit voltage.

Abstract: A cross coupled folding circuit comprises a reference voltage circuit to supply m reference voltages, an amplifier circuit to provide control signals, in response to an input signal and to the reference voltages and 2n?I three times cross coupled folding circuits, each of which comprising three differential transistor pairs, said differential transistors pairs being controlled by said control signals and active in a voltage range around a respective one of said reference voltages, with m=3(2??1). In cascade with said 2n?I folding circuits, there are differential transistor pairs in n?1 successive steps 2n?1, 2n—2, 2o. To obtain complete folding, switching circuits are provided, cooperating with the transistor pairs in the last 2n?2 steps of the cascade configuration, to supply the respective control signals to those transistors of the respective differential transistor pairs that provide complete folding.

Abstract: The invention relates to an analog-to-digital converter for converting an analog input signal into a digital binary output signal, comprising a reference unit for generating a thermometric signal based on a comparison of the input signal with a reference voltage level, a first logic circuit which is connected to the reference unit for the generation of an intermediate signal based on the thermometric signal, and a second logic circuit which is connected to the first logic circuit for the generation of the digital binary output signal based on the intermediate signal, wherein the thermometric signal comprises a bit word from a first set of bit words and the intermediate signal comprises a bit word from a second set of bit words, while each bit-word represents a unique number and two bit words from the second set which belong to two successive unique numbers, respectively, only differ by one bit, wherein the bit words from the second set can be arranged in rows of a matrix, the sequence of the rows correspondin