Datasheet Texas Instruments LM94
| Manufacturer | Texas Instruments |
| Series | LM94 |
Hardware Monitor with PI Loop Fan Control for Server Management
Datasheets
LM94 TruTherm Hardware Monitor with PI Loop Fan Control for Server Management datasheet
PDF, 1.9 Mb, Revision: C, File published: Mar 22, 2013
Extract from the document
Status
| LM94CIMT/NOPB | LM94CIMTX/NOPB | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes |
Packaging
| LM94CIMT/NOPB | LM94CIMTX/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 56 | 56 |
| Package Type | DGG | DGG |
| Industry STD Term | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Package QTY | 34 | 1000 |
| Carrier | TUBE | LARGE T&R |
| Device Marking | LM94CIMT | LM94CIMT |
| Width (mm) | 6.1 | 6.1 |
| Length (mm) | 14 | 14 |
| Thickness (mm) | 1.15 | 1.15 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | 1.2 | 1.2 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | LM94CIMT/NOPB | LM94CIMTX/NOPB |
|---|---|---|
| Analog Inputs | 15 to 13 and V+ | 15 to 13 and V+ |
| Fan Control Method | PI and Lookup Table | PI and Lookup Table |
| Fan Control Output, s | 2 PWM, 22.5kHz | 2 PWM, 22.5kHz |
| Fan Speed Inputs | 4 | 4 |
| Fan Speed Measurement Accuracy, % | 6 | 6 |
| GPIOs | 16 power supply monitors, 2 PWM, 4 TACH, 2 PROCHOT, 14 VID, 8 GPIO,2 GPI, ALERT, 2 VRDHOT | 16 power supply monitors, 2 PWM, 4 TACH, 2 PROCHOT, 14 VID, 8 GPIO,2 GPI, ALERT, 2 VRDHOT |
| Interface | SMBus | SMBus |
| Interrupt Outputs, Count | 1 | 1 |
| No. of Temperature Sensors | 5 | 5 |
| Operating Temperature Range, C | 0 to 100 | 0 to 100 |
| PWM Duty Cycle Resolution, bits | 9 | 9 |
| Package Group | TSSOP | TSSOP |
| Package Size: mm2:W x L, PKG | 56TSSOP: 113 mm2: 8.1 x 14(TSSOP) | 56TSSOP: 113 mm2: 8.1 x 14(TSSOP) |
| Quiescent Current, mA | 1.6 | 1.6 |
| Rating | Catalog | Catalog |
| Supply Current(Max), mA | 2.75 | 2.75 |
| Supply Voltage(Max), V | 3.6 | 3.6 |
| Supply Voltage(Min), V | 3 | 3 |
| Temperature Sensor Accuracy, C | 3 | 3 |
| Temperature Sensor Resolution, C | 1 | 1 |
| TruTherm, TM | Yes | Yes |
| VID Inputs | Dual 7 | Dual 7 |
| Voltage in ADC Resolution, bits | 8 | 8 |
Eco Plan
| LM94CIMT/NOPB | LM94CIMTX/NOPB | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- TruTherm Technology PresentationPDF, 170 Kb, File published: May 23, 2006
Model Line
Series: LM94 (2)
Manufacturer's Classification
- Semiconductors> Sensing Products> Monitoring & Fan Control