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EMC1001 Datasheet(PDF) 1 Page - SMSC Corporation |
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EMC1001 Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 16 page  SMSC EMC1001 DATASHEET Revision 1.6 (01-29-07) Datasheet PRODUCT FEATURES EMC1001 1.5°C SMBus Temperature Sensor in Miniature SOT-23 General Description The EMC1001 is a tiny SMBus temperature sensor with ±1.5 °C accuracy and two interrupts. Packaged in a SOT23-6, the EMC1001 provides an accurate, low-cost, low-current, solution for critical temperature monitoring in a PC or embedded applications. The EMC1001 generates two separate interrupts with programmable thermal trip points. The THERM output operates as a thermostat with programmable threshold and hysteresis. The ALERT output can be configured as a maskable SMBus alert with programmable window comparator limits, or as a second THERM output. An efficient fan control system can be created since this output may be used to control a fan. A power down mode extends battery life in portable applications. Each part number may be configured to respond to one of four separate SMBus addresses. Features Self Contained Internal Temperature Sensor —0.25 °C resolution — ±1.5°C Accuracy 40°C to 85°C Small 6-lead SOT lead-free RoHS compliant packages SMBus address selected by external resistor — Select 1 of 4 per package, 8 addresses available Maskable Interrupt using ALERT One-shot Command during standby Low Power, 3.0V to 3.6V Supply — 47uA at 0.0625 Conversions per Second (Typical) — 4.8uA in Standby (Typical) SMBus 2.0 Compliant interface Programmable temperature conversion rate Applications Desktop and Notebook Computers Thermostats Smart batteries Industrial/Automotive Other Electronic Systems Simplified Block Diagram EMC1001 Internal Temp Diode Switching Current SMCLK High Limit Registers THERM Hysteresis Register Low Limit Registers THERM Limit Register Address Pointer Register Conversion Rate Register Interrupt Masking Status Register Configuration Register Temperature Register ALERT SMDATA 10-bit delta-sigma ADC THERM |
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