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AS8515

Datasheet - Contents

7.17.1 Tx Timeout Watchdog.............................................................................................................................................................. 26

7.17.2 Temperature Limiter ................................................................................................................................................................ 26

7.18 Top Die Registers ............................................................................................................................................................................. 26

8 AS8515 Bottom Die Overview ................................................................................................................................................

28

8.1 Current Measurement Channel .......................................................................................................................................................... 28

8.2 Voltage/Temperature Measurement Channel..................................................................................................................................... 28

8.3 Digital Implementation of Measurement Path..................................................................................................................................... 29

8.4 Reference-Voltage.............................................................................................................................................................................. 29

8.5 Oscillators........................................................................................................................................................................................... 29

8.6 Power-On Reset................................................................................................................................................................................. 29

8.7 Modes of Operation............................................................................................................................................................................ 30

8.7.1 Normal Mode 1 (NOM1) ............................................................................................................................................................ 31

8.7.2 Normal Mode 2 (NOM2) ............................................................................................................................................................ 31

8.7.3 Standby Mode1 (SBM1) ............................................................................................................................................................ 32

8.7.4 Standby Mode2 (SBM2) ............................................................................................................................................................ 33

8.8 Initialization Sequence at Power ON.................................................................................................................................................. 33

8.8.1 Soft-reset of Device Using Bit D[7] of Reset Register 0x09....................................................................................................... 34

8.8.2 Soft-reset of the Measurement Path Using Bit D[7] of Reset Register 0x09 ............................................................................. 35

8.8.3 Reconfiguring Gain Setting of PGA .......................................................................................................................................... 35

8.8.4 Configuring the Device During Normal Mode ............................................................................................................................ 35

8.8.5 Standby Mode - Power Consumption ........................................................................................................................................ 36

8.9 Bottom Die Block Specifications......................................................................................................................................................... 36

8.9.1 Current Measurement Ranges (across 100µ

Ω (±5%) shunt resistor)...................................................................................... 36

8.9.2 System Specifications................................................................................................................................................................ 43

9 4-Wire SPI Interface................................................................................................................................................................ 44

9.1 SPI Timing Parameters ...................................................................................................................................................................... 44

9.1.1 SPI Frame.................................................................................................................................................................................. 45

9.1.2 Write Command......................................................................................................................................................................... 45

9.1.3 Read Command......................................................................................................................................................................... 46

9.1.4 Timing ........................................................................................................................................................................................ 47

9.2 Bottom Die Registers.......................................................................................................................................................................... 48

10 Application Information .........................................................................................................................................................

60

11 Package Drawings and Markings..........................................................................................................................................

61

12 Ordering Information.............................................................................................................................................................

64