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M4-ATX 250W 6V~30V Wide-Input Intelligent DC-DC Power Board

M4-ATX Car PC DC-DC Power Board - click to enlarge
Item# PWR-DCM-M4-ATX
Your Price: $89.95

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M4-ATX Intelligent Car PC DC-DC Power Converter Board User Manual and Mechanical Drawing.

M4-ATX is an intelligent, high power, vehicle (car / boat / electric cart) DC-DC ATX PC power supply designed for use with car pc or general purpose battery powered applications. The M4-ATX is designed to provide power and to control the motherboard's ON/OFF switch based on ignition status. The M4-ATX is also a wide DC input (6 to 30V) vehicle / car / battery operated ATX power supply capable of surviving tough car engine cranks (down to 6V) as well as transient over-voltage situations.

User also can download a Software Utility including two applications:

1) MeATXTray.exe which allows monitoring the M4-ATX power supply voltages and temperature (USB connection from the M4-ATX to the motherboard is required). The application adds a small icon on Windows System Tray which on mouse over displays the voltages and temperature, and can be customized with several skins.

2) M4_ATX.exe allows to set up various parameters of the power supply like ignition voltage limit or shutdown voltage limit.


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Click an image below to enlarge
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
M4-ATX Car PC DC-DC Power Board - click to enlarge
M4-ATX 250W
6V~30V Wide-Input
Smart DC-DC Power Module
Also available

 Minimum / Maximum Input Operating Voltage   6V / 30V (hard clamping will occur at 34V)
 Deep-Discharge shutdown threshold   11.2V 
 Input current limit (fuse protected)   Mini-blade 25A 
 Max Output Power   250 Watts / 300 Watts peak 
 Deep Sleep Current Consumption   Less than 1.6mA 
 Storage and Operating Temperature   -40 to 125-degree C (Storage)
 -40 to 65-degree C (Operating) 
 MTBF   200,000 hours 
 Efficiency (Input 10-16V)   Over 95%, all rails combined, 50% load 
 Input connectors   M4 screw terminal 
 Output Connector   ATX Power 24-pin (Molex P/N 39-01-2200) 

M4-ATX Maximum Power Characteristics

 Output Rail   Current (Max)   Current Peak
 (Less than 30 seconds) 
 Regulation 
 5V   15A   20A   1.5% 
 3.3V   15A   20A   1.5% 
 5VSB   1.5A   2A   1.5% 
 -12V   0.15A   0.2A   10% 
 12V   12A (see below)   16A (see below)   2% 

When operating at less than 8V, over 28V or extreme temperatures, de-rate by 25-50%, ventilation might be required.
When operating at constant 160 Watts or above, forced ventilation might be required.

M4-ATX 12V Rail Output Current (12V Buck/Boost Converter)

 Input (V)   12V Out Current   Input (V)   12V Out Current 
 6-8V   8A   11-16V   12A (16A peak) 
 8-11V   10A (12A peak)   16-30V   12A (14A peak)