STTS751-1WB3F STMicroelectronics

STTS751 2.25 V low-voltage local digital temperature sensor Datasheet - production data One-shot mode for power saving Fast conversion time 21 ms (typ) 10-bit Pull-up resistor value allows single pin to select one of four slave addresses Supports 400 kHz serial clock UDFN-6L SMBus 2.0 compatible SMBus ALERT (ARA) support Feature SMBus timeout RoHS/green Operating voltage 2.25 V to 3.6 V Operating temperature 40 C to +125 C Applications Programmable 10 different conversion rates Solid state drives 0.0625 to 32 conversions/sec. Portable electronics 1 conversion/sec. - default Notebook computers 4 different resolutions Smart batteries 9-bit (0.5 C/LSB) to12-bit (0.0625 C/LSB) 10-bit (0.25 C/LSB) - default Servers Low supply current Telecom 50 A (typ) for 8 conversions/sec. 20 A (typ) for 1 conversion/sec. 3 A (typ) standby Accuracy 0.5 C (typ) 0 C to +85 C 0.5 C (typ) 40 C to +125 C Table 1. Device summary Order code Pull-up resistor value SMBus address Comments 7.5 K 5% 1001 000 b 12 K 5% 1001 001 b Address selection via resistor pull-up STTS751-0DP3F on Addr/Therm pin 20 K 5% 0111 000 b 33 K 5% 0111 001 b 7.5 K 5% 1001 010 b 12 K 5% 1001 011 b Address selection via resistor pull-up STTS751-1DP3F on Addr/Therm pin 20 K 5% 0111 010 b 33 K 5% 0111 011 b May 2019 DocID16483 Rev 7 1/35 This is information on a product in full production. www.st.comContents STTS751 Contents 1 Description . 6 2 Functional description . 9 3 SMBus interface . 10 3.1 SMBus protocol 10 3.2 WRITE byte . 11 3.3 READ byte 11 3.4 SEND byte 11 3.5 RECEIVE byte . 11 3.6 SMBus addresses 12 3.7 SMBus timeout . 12 3.8 Alert response address . 12 4 STTS751 register summary 13 4.1 STTS751 register formats and details . 14 4.2 Temperature register format . 14 4.3 Temperature limit register format . 15 4.4 Temperature examples . 15 4.5 Status register . 16 4.6 Configuration register 17 4.7 Conversion rate register 18 4.8 One-shot register . 19 4.9 Therm limit 20 4.10 Therm hysteresis . 20 4.11 SMBus timeout register 20 4.12 STTS751 product ID . 21 4.13 STTS751 manufacturers ID 21 4.14 STTS751 revision ID 21 5 EVENT output . 22 2/35 DocID16483 Rev 7