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NE1619 データシート(PDF) 1 Page - NXP Semiconductors |
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NE1619 データシート(HTML) 1 Page - NXP Semiconductors |
1 / 2 page Precise thermal monitoring with small, accurate temp sensors Features Ñ NE1617A replaces MAX1617 and ADM1021 Ñ Monitors internal and remote temperatures Ñ No calibration required Ñ Programmable alarm for over/under temperature conditions Ñ Programmable temperature/voltage limits to control internal alarms – NE1619 Ñ SMBus 2-wire serial interface Ñ NE1617A supply range: 3 to 5.5 V Ñ NE1619 supply range: 2.8 to 5.5 V Ñ Small 16-pin QSOP package Applications Ñ Desktop and Notebook computers Ñ Smart battery packs Ñ Industrial controllers Ñ Telecom equipment The NE1617A, a precise, 2-channel sensor, can measure internal and remote temperatures and supports up to nine devices per bus. During normal operation, the sensor updates temperature data at a programmed rate, selectable from 125 ms to 16 seconds. An internal, one-shot command can be used to force a temperature reading as needed. These programmable, highly accurate temperature sensors, designed for applications where thermal monitoring of hardware and electrical components is critical, have an operating temperature range of 0 to 120 °C and are available in small, 16-pin QSOP packages. The NE1619, a more advanced version of the NE1617A, can monitor nine different voltages in addition to the internal and remote temperature. It supports two devices per bus and has programmable temperature and voltage limits for controlling internal alarms. It uses a consistent conversion rate of approximately 500 ms and has an on-chip A/D converter that supports data collection and other functions. Both sensors are equipped with an internal diode, so they can monitor internal ambient temperatures. They can also measure the internal temperature of a microprocessor that uses an embedded diode. Both sensors are configured as slaves on the SMBus system and communicate via a standard two-wire serial interface (using SCLK and SDATA pins). They support four SMBus protocols: Write Byte, Read Byte, Send Byte, and Receive Byte. Data is transmitted serially in groups of nine bits, using nine clock pulses, including an 8-bit data byte followed by a 1-bit acknowledgement. The system microprocessor is typically used as the master, initiating start, stop, and clock signals. NXP temperature sensors NE1617A & NE1619 1082 NXP temp sensors NE1617A NE1619_v3.indd 1 1082 NXP temp sensors NE1617A NE1619_v3.indd 1 06-08-2008 09:16:09 06-08-2008 09:16:09 |
同様の部品番号 - NE1619 |
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同様の説明 - NE1619 |
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