BD83A24MUF-M
White LED Driver for Automotive with 4ch Current Driver Integrated, Built-in MOS for Boost, Boost DC/DC Converter

This IC is a white LED driver for LCD backlight. It has MOS for boost and 4ch current drivers for LED drive, making it ideal for high brightness LED drive. LED pin maximum voltage is 50 V, making it suitable for driving medium LCD panels. The dimming is controlled by the PWM signal and can be set up to 20,000:1@100Hz. It also supports analog dimming and can accommodate even higher brightness ranges by combining with PWM dimming. DC/DC converters can be controlled for boost applications, and the input operating voltage range is 4.5V to 48.0V.

Product Detail

 
Part Number | BD83A24MUF-ME2
Status | Recommended
Package | VQFN24FV4040
Packing Type | Taping
Unit Quantity | 2500
Minimum Package Quantity | 2500
RoHS | Yes

Functional Safety:

Category : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.

Specifications:

Topology

Boost

Vin(Min.)[V]

4.5

Vin(Max.)[V]

48

Total Output Current (Max.)[mA]

480

Per Channel Drive(Max.)[mA]

120

Number of Outputs

4

Vout(Max.)[V]

50

Switching Frequency (Max.)[MHz]

2.42

Integrated Switching FET

Yes

Dimming

DC / PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

4x4 (t=1)

Common Standard

AEC-Q100 (Automotive Grade)

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Features:

  • AEC-Q100 Qualified (Grade 1)
  • Functional Safety Supportive Automotive Products
  • Built-in 4ch Current Driver for LED Driver
  • Built-in MOS for Boost
  • Current Mode Boost DC/DC Converter
  • Load Switch (M1) Control Pin
  • DC Dimming Function by Pulse Input
  • PWM Dimming (20,000:1@100Hz, 100Hz to 25kHz)
  • Spread Spectrum Function
  • DC/DC Oscillation Frequency External Synchronization Function
  • LSI Protect Functions (UVLO, OVP, TSD, OCP)
  • LED Anode/Cathode Short Circuit Protection Function
  • LED Open/Short Protection Function

Reference Design / Application Evaluation Kit

 
    • Evaluation Board - REFLED005-EVK-002
    • This Evaluation Board was developed for ROHM's LED Driver BD83A24MUF-M. BD83A24MUF-M is a white LED driver for LCD backlight. It has 4ch Current Driver for LED Drive, and it is suitable for high illumination LED drive. It is suitable for middle size LCD panel drive because LED pin maximum voltage is 50V. The dimming is controlled by the PWM signal and can be set up to 20,000:1@100Hz. It also supports analog dimming and can accommodate even higher brightness ranges by combining with PWM dimming. DC/DC converters can be controlled for boost applications, and the input operating voltage range is 4.5V to 48V.

  • User's Guide
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