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ISPPAC-POWR6AT6-01NN32I
- Part Number: ISPPAC-POWR6AT6-01NN32I
- Categories:
- Manufacturer: Lattice Semiconductor Corporation
- MOQ: 1PCS
- In Stock: 3104
- Datasheet:
- Description: IC ISP POWER SUPPLY PROGR 32QFN
- Payment method: Paypal/Wire transfer/Visa
- Delivery Method: UPS/DHL/FEDEX/EMS
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ISPPAC-POWR6AT6-01NN32I details
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Datasheets
ISPPAC-POWR6AT6-01NN32I Specifications
| Manufacturer | Lattice Semiconductor Corporation |
| Applications | Power Supply Controller/Monitor |
| Mounting Type | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad |
| Product Status | Obsolete |
| Voltage - Input | -0.3V ~ 5.9V |
| Current - Supply | 10 mA |
| Voltage - Supply | 2.8V ~ 3.96V |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 32-QFN-EP (5x5) |
ISPPAC-POWR6AT6-01NN32I FPGAs Overview
Lattice’s Power Manager II ISPPAC-POWR6AT6-01NN32I is a general-purpose power-supply monitoring and margining controller, incorporating in-system programmable analog functions implemented in non-volatile E2 CMOS technology. The ISPPAC-POWR6AT6-01NN32I device provides six independent analog input channels to monitor up to six power supply test points. Each of these input channels offers a differential input to support remote ground sensing.
The ISPPAC-POWR6AT6-01NN32I incorporates six DACs for generating a trimming voltage to control the output voltage of a power supply. The trimming voltage can be set to four hardware selectable preset values (voltage profiles) or can be dynamically loaded in to the DAC through the I 2 C bus. Additionally, each power supply output voltage can be maintained typically within 0.5% tolerance across various load conditions using the Digital Closed Loop Control mode. The operating voltage profile can be selected using external hardware pins.
The on-chip 10-bit A/D converter can both be used to monitor the VMON voltage through the I2 C bus as well as for implementing digital closed loop mode for maintaining the output voltage of all power supplies controlled by the monitoring and trimming section of the ispPACPOWR6AT6 device.
The I2 C bus/SMBus interface allows an external microcontroller to measure the voltages connected to the VMON analog monitor inputs and load the DACs for the generation of the trimming voltages of the external DCDC converters.
Features
■ Power Supply Margin and Trim Functions
• Trim and margin up to six power supplies
• Dynamic voltage control through I2 C
• Four hardware selectable voltage profiles
• Independent Digital Closed-Loop Trim function for each output
■ Analog Input Monitoring
• Six analog monitor inputs
• Differential input architecture for accurate remote ground sensing
• 10-bit ADC for direct voltage measurements
■ 2-Wire (I2 C/SMBus Compatible) Interface
• Readout of the ADC
• Dynamic trimming/margining control
■ Other Features
• Programmable analog circuitry
• Wide supply range, 2.8V to 3.96V
• In-system programmable through JTAG
• Industrial temperature range: -40°C to +85°C
• 32-pin QFN package, only 5mm x 5mm, leadfree option
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ISPPAC-POWR6AT6-01NN32I Packaging
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Its sensitive components are not in contact with the measured object, also known as a non-contact temperature measuring instrument. This instrument can be used to measure the surface temperature of moving objects, small targets, and objects with small heat capacity or rapid temperature changes (transient), and can also be used to measure the temperature distribution of the temperature field. The most commonly used non-contact thermometers are based on the fundamental law of black body radiation and are called radiation thermometers. Radiation thermometry methods include the brightness method (see optical pyrometer), radiation method (see radiation pyrometer), and colorimetric method (see colorimetric thermometer). All kinds of radiation temperature measurement methods can only measure the corresponding photometric temperature, radiation temperature, or colorimetric temperature. Only the temperature measured for a black body (an object that absorbs all radiation and does not reflect light) is the true temperature. If you want to measure the real temperature of the object, you must correct the surface emissivity of the material. However, the surface emissivity of materials depends not only on temperature and wavelength, but also on surface state, coating film, and microstructure, so it is difficult to measure accurately. In automatic production, it is often necessary to use radiation thermometry to measure or control the surface temperature of certain objects, such as the steel strip rolling temperature, roll temperature, forging temperature in metallurgy, and the temperature of various molten metals in smelting furnaces or crucibles. In these specific cases, the measurement of the emissivity of an object's surface is quite difficult. 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As for the radiation measurement of the real temperature of the gas and liquid medium, the method of inserting the heat-resistant material tube to a certain depth to form a black body cavity can be used. The effective emission coefficient of the cylinder cavity after reaching thermal equilibrium with the medium is obtained by calculation. In automatic measurement and control, this value can be used to correct the measured cavity bottom temperature (ie medium temperature) to obtain the real temperature of the medium. Advantages of non-contact temperature measurement: the upper limit of measurement is not limited by the temperature resistance of the temperature sensing element, so there is no limit to the maximum measurable temperature in principle. For high temperatures above 1800°C, non-contact temperature measurement methods are mainly used. With the development of infrared technology, radiation temperature measurement has gradually expanded from visible light to infrared and has been used below 700°C to room temperature with high resolution. Working principle Metals undergo a corresponding extension when the ambient temperature changes, so the sensor can signal this response in different ways. Bimetal Sensor A bimetal sheet is composed of two pieces of metal with different expansion coefficients attached. As the temperature changes, material A expands more than the other metal, causing the metal sheet to bend. The curvature of the bend can be converted into an output signal. Bimetal Rod and Tube Sensors As the temperature increases, the length of the metal tube (material A) increases, while the length of the non-expanding steel rod (metal B) does not increase so that the linear expansion of the metal tube can be transmitted due to the change of position. 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There are two types of changes in resistance positive temperature coefficient Increased temperature = increased resistance A decrease in temperature = a decrease in resistance negative temperature coefficient Increased temperature = decreased resistance Decrease in temperature = increase in resistance Thermocouple Sensing A thermocouple consists of two metal wires of different materials welded together at the ends. Then measure the ambient temperature of the non-heating part, and the temperature of the heating point can be accurately known. Since it must have two conductors of different materials, it is called a thermocouple. Thermocouples made of different materials are used in different temperature ranges, and their sensitivities also vary. The sensitivity of the thermocouple refers to the change in the output potential difference when the temperature of the heating point changes by 1 °C. For most thermocouples supported by metallic materials, this value is between 5 and 40 microvolts/°C. Since the sensitivity of the thermocouple temperature sensor has nothing to do with the thickness of the material, it can also be made into a temperature sensor with very thin materials. Also due to the good ductility of the metal material used to make thermocouples, this tiny temperature-measuring element has a very high response speed and can measure rapidly changing processes. Selection method If you want to make reliable temperature measurements, you first need to choose the correct temperature instrument, that is, the temperature sensor. Among them, thermocouples, thermistors, platinum resistance thermometers (RTDs), and temperature ICs are the most commonly used temperature sensors in testing. The following is an introduction to the characteristics of the thermocouple and thermistor temperature instruments. thermocouple Thermocouples are the most commonly used temperature sensors in temperature measurement. Its main advantages are a wide temperature range and adaptability to various atmospheric environments, and it is strong, low in price, does not require a power supply, and is the cheapest. A thermocouple consists of two wires of dissimilar metals (metal A and metal B) connected at one end. When one end of the thermocouple is heated, there is a potential difference in the thermocouple circuit. The temperature can be calculated from the measured potential difference. However, there is a nonlinear relationship between voltage and temperature. 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