DS2740 Datasheet - Maxim Integrated

DS2740 High-Precision Coulomb Counter

. PIN DESCRIPTION OVD- 1-Wire Bus Speed Select PIO - Programmable I/O Pin SNS - Sense Resistor Input IS2 - Current-Sense Input IS1 - Current-Sense Input VSS - Device Ground, Current-Sense Resistor Return DQ - Data Input/Output VDD - Power-Supply Input (2.7V to 5.5V) 1-Wire is a registered trademar.

DS2740 Features

* 15-Bit Bidirectional Current Measurement (DS2740U)

* 1.56μV LSB and ±51.2mV Dynamic Range

* 78μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS)

* 156μA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (RSNS)

* 13-Bit Bidirectional Current Me

DS2740-MaximIntegrated.pdf