BD6583MUV-A
6-Channel White LED Driver for up to 72 LEDs

BD6583MUV-A is white LED driver IC with PWM step-up DC/DC converter that can boost max 42.5V and current driver that can drive max 25mA. The wide and precision brightness can be controlled by external PWM pulse. BD6583MUV-A has very accurate current drivers, and it has few current errors between each strings. So, it will be helpful to reduce brightness spots on the LCD.

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Product Detail

 
Part Number | BD6583MUV-AE2
Status | Active
Package | VQFN024V4040
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Topology

Boost

Number of Outputs

6

Vin(Min.)[V]

2.7

Vin(Max.)[V]

22.0

Output Current(Max.)[mA]

150.0

Per Channel Drive(Max.)[mA]

25.0

Vout(Max.)[V]

42.5

Frequency(Max.)[MHz]

1.0

LED Configuration

6 x 12

LDO

No

Auto Luminous Control

No

Synchronous

No

Integrated FET

No

Dimming

PWM

Peak Efficiency[%]

93

Iq(Typ.)[mA]

3.4

Ishutdown(Typ.)[µA]

0.6

Operating Temperature (Min.)[°C]

-30

Operating Temperature (Max.)[°C]

85

Package Size [mm]

4x4 (t=1)

Features:

・High efficiency PWM step-up DC/DC converter (fsw=1MHz)
・Maximum efficiency 93%
・High accuracy & good matching (±3%) current drivers 6ch
・Drive up to 12 LEDs in series, 6 strings in parallel =72 white LEDs
・Wide input voltage range (2.7V to 22V)
・Over-voltage protection (OVP)
・Over current limit
・External SBD open detect
・Thermal shutdown (TSD)
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Technical Articles

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  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
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