Product Information

MIC1344YFT-EV

MIC1344YFT-EV electronic component of Microchip

Datasheet
MIC1344 ORing Controller / High Side Power Management Evaluation Board

Manufacturer: Microchip
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Price (USD)

1: USD 38.5537 ea
Line Total: USD 38.5537

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
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0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

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MIC1344YFT-EV
Microchip

1 : USD 38.5537

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Product
Type
Tool Is For Evaluation Of
Input Voltage
Output Voltage
Description/Function
Output Current
Packaging
Brand
Maximum Operating Temperature
Minimum Operating Temperature
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MIC1344 Smart, 3A, Two-Channel, Power ORing Switch General Description Features The MIC1344 is an advanced two input, one output, hot Two input, one output, power ORing switch swappable, power multiplexer. It has both automatic and Input voltage operating range: 2.8V to 5.5V manual input selection (ENA and ENB) and four status Automatic and manual input selection modes outputs. Four digital and two analog status outputs In automatic mode, the MIC1344 will automatically connect Current blocking: output-to-input and input-to-input the higher of two input voltages (INA or INB), to the output Low on-resistance (70m typical) (OUT). In manual mode, either of the two inputs can be Up to 3A current handling routed to the output, or both power inputs can be turned off so that multiple MIC1344s can be used for more than two Low standby channel current (11A typical) power inputs. Separate current limiting and readback for each channel The MIC1344 has four digital open drain status outputs. Available in 12-pin, 2mm 2mm, QFN (FTQFN) The ASEL\ and BSEL\ outputs indicate which input is package selected. The STAOK and STBOK outputs indicate the Thermal-shutdown protection general health of the input channels. Specifically, these 40C to 125C junction temperature range outputs will be inactive (high) if the channel has sufficient input voltage, the channel current is within acceptable Applications limits, the die temperature is not too hot, and the channel Two input to one output power selector has no reverse current detected. Multiple inputs to a single output power selector The current limit for each input channel of the MIC1344 Charger input power selector can be individually set up to 3A, by two external current- limit set resistors (ILIMA and ILMIB). The current flowing in Dual battery selector each of the channels can be read by measuring the Main and backup power selector voltage at these resistors. USB power selector Datasheets and support documentation are available on Portable products Micrels web site at: www.micrel.com. Supercapacitor ORing Backup battery diode ORing Typical Application Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. MIC1344 Ordering Information (1, 2) Part Number Marking Output Current Junction Temperature Range Package MIC1344YFT 4N Adjustable (3.0A maximum) 40C to +125C 12-Pin 2mm 2mm FTQFN Notes: 1. Pin 1 indicator = 2. Green RoHS compliant package. Lead finish is NiPdAu. Mold compound is halogen free. Pin Configuration 12-Pin 2mm 2mm FTQFN (FT) (Top View) Pin Description Pin Number Pin Name Pin Function Supply Voltage Input B. This input may be bypassed to GND with >0.1F, X7R or similar, ceramic 1 INB type capacitor. This input is hot swappable. Open drain output, digital status monitor for supply voltage Input B (INB). Voltage will be low if any of the following conditions occur: INB is below the UVLO limit. The output current from INB is at its set current limit. 2 STBOK The die temperature exceeds the overtemperature limit. Reverse current detected (V > V +100mV). OUT INB Prolonged high hysteresis mode engaged. 3 BSEL\ Open Drain Output. Low if Input B (INB) is providing power to the OUT pin. A resistor from this pin to ground sets the current limit for INB. The current flowing into INB can be 4 ILIMB monitored by the voltage on this pin. The ENA and ENB digital inputs control which voltage input (INA or INB) is connected to the voltage out (OUT) pin. There is an internal 570k pull-down on this pin to ensure that automatic 5 ENB select mode is active when the logic that is driving the MIC1344 is being powered up. Table 1 shows how to control the power routing with the ENA and ENB inputs. 6 GND Ground. April 24, 2015 Revision 1.0 2

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
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