MAX20444CATG/V+
ActiveAUTOMOTIVE 4-CHANNEL, 130MA BACKLIGHT DRIVER WITH BOOST/SEPIC CONTROLLER AND I2C INTERFACE
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MAX20444CATG/V+
ActiveAUTOMOTIVE 4-CHANNEL, 130MA BACKLIGHT DRIVER WITH BOOST/SEPIC CONTROLLER AND I2C INTERFACE
Technical Specifications
Parameters and characteristics for this part
| Specification | MAX20444CATG/V+ |
|---|---|
| Applications | Backlight |
| Current - Output / Channel | 130 mA |
| Dimming | I2C, PWM |
| Frequency [Max] | 2.2 MHz |
| Frequency [Min] | 400 kHz |
| Grade | Automotive |
| Internal Switch(s) | True |
| Mounting Type | Wettable Flank, Surface Mount |
| Number of Outputs | 4 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 24-WFQFN Exposed Pad |
| Qualification | AEC-Q100 |
| Supplier Device Package | 24-SWTQFN (4x4) |
| Topology | Step-Up (Boost), Flyback, Step-Down (Buck), SEPIC |
| Type | DC DC Controller |
| Voltage - Output [Max] | 36 V |
| Voltage - Output [Min] | 1.25 V |
| Voltage - Supply (Max) [Max] | 36 V |
| Voltage - Supply (Min) [Min] | 4.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 430 | $ 6.24 | |
| 490 | $ 6.24 | |||
| Tube | 490 | $ 3.60 | ||
Description
General part information
MAX20444C Series
The MAX20444C is a 4-channel backlight driver IC with boost controller for automotive displays. The integrated current outputs can sink up to 130mA LED current each. The device accepts a wide 4.5V to 36V input voltage range and withstands direct automotive load-dump events.The internal current-mode switching DC-DC controller supports boost or SEPIC topologies and operates in the 400kHz to 2.2MHz frequency range. Integrated spread spectrum helps reduce EMI. An adaptive output-voltage-control scheme minimizes power dissipation in the LED current-sink paths.The device features I2C-controlled pulse-width-modulation (PWM) dimming and hybrid dimming. In either case, the minimum pulse width is 500ns. Phase-shifted dimming of the strings is incorporated for lower EMI.Comprehensive diagnostic information is also available through the I2C interface, while stand-alone operation is also supported.The MAX20444C is available in a 24-pin TQFN or 24-pin side-wettable TQFN (SWTQFN) package and operates over the -40°C to +125°C temperature range.ApplicationsCentral Information DisplaysInfotainment DisplaysInstrument Clusters
Documents
Technical documentation and resources