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NE1619
Datasheet
General description
The NE1619 is designed for monitoring the temperatures and supply voltages of microprocessor-based systems by measuring those parameters and comparing the readings with programmable limits. The device provides five possible analog inputs, a remote temperature sensor input and on-board local temperature sensor. The device also monitors its own power supply and provides digital inputs for the Pentium/PRO power supply ID code.
The device communicates with the system controller via an SMBus (System Management bus) by which it can be programmed for operation and data collection. Readings come from conversions of the on-board A-to-D converter which cycles through all measurements in sequence in approximately one second when the conversion is started. The device includes a number of registers to store data of the device configuration, status, readings and limits. Except for the temperature-related data which are in 8-bit digital 2's complement format, all the data are in 8-bit digital straight format.
Features
- Monitor local and remote temperatures
- Temperature accuracy of +-2 Cel for local, and +-3 Cel for remote channel
- Temperature resolution of 1 Cel
- 2.8 V to 5.5 V supply range
- Monitor different power supplies: 12 V, 5 V, 3.3 V, 2.5 V, VCCP, VDD
- VIN accuracy of +-2pct of full scale
- Differential non-linearity of +-1LSB
- No calibration required
- Programmable temperature and voltage limits for alarms
- Programmable Reset low state pulse output
- SMBus 2-wire serial interface
- Small 16-lead SSOP (QSOP) package
- Compatible with Intel "Heceta 4" specification and reference designs utilizing it
- ESD protection exceeds 2000 V HBM per JESD22-A114, 250 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
- Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| NE1619DS | NE1619DS | 9352 645 32112 | Volume production | SOT519-1
(SSOP16) | Tube | Standard Marking | NE1619DS
| week 34, 2005 |
| NE1619DS | NE1619DS-T | 9352 645 32118 | Volume production | SOT519-1
(SSOP16) | Reel Pack, SMD, 13" | Standard Marking | NE1619DS
| week 34, 2005 |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| NE1619DS | 9352 645 32112 | 1.7700 | NA | DIGI-KEY CORPORATION | 1,660 | 6/29/2008 | Buy online | not available |
| NE1619DS | 9352 645 32118 | 1.7700 | Order samples |
Applications
- System thermal and hardware monitor
- Desktop computers
- Notebook computers
- Industrial controllers
- Telecom equipment
Related applications
LCD display - discretes focus
PDA - discretes focus
Motherboard components
50-60 Hz CRT integrated DTV (TV210D)
Mid-range integrated DTV (TV810)
Intelligent washing machine
Transceiver board
Power amplifier board
Main CPU board
LCD TV - MMS functionality
Technical documents
Application Notes
AN10216_1;
I2C manual (27-Mar-03)
AN10216_1;
I2C manual (27-Mar-03)
Support Documents
75013239;
I 2 C Logic Selection Guide (2005-01-12)
75011212;
I2C 2002-1A Evaluation Board Kit (01-Mar-03)
75012744;
I2C Bus Solutions 2004 (2004-02-01)
philips_i2c_handbook;
I2C Handbook (2004-01-01)
75015139;
I2C temperature sensors selection guide (2005-06-01)
UM10204_3;
I2C-bus specification and user manual (26-Jun-07)
philips_i2c_logic_overview;
Interface Products Business Line Specialty Logic Product Line I2C Logic Family Overview (2004-01-01)
75010347;
PMU+ Desktops, Servers and workstations (2002-10-01)
75010346;
PMU+ laptop and notebooks (2002-10-01)
75007609;
Temperature Sensors (2002-04-08)
Parametrics/similar products
| Type number | Package | Standby current(uA) | Operating temp.(Cel) | Accuracy on-chip( C) | Accuracy remote( C) | Assignable Addresses | Over Temperature Alert | Remote Temperature Monitor | SMBus Clock (max)(kHz) | Under Temperature Alert | Operating voltage(VDC) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NE1619DS | SOT519-1
(SSOP16) | 100 | 0~120 |
2@+25 3@0~120 |
3@25 5@0~120 | 2 | no | yes | 400 | no | 2.8~5.5 |
Similar products
NE1619 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.
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