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ROHM BD81A24MUF-ME2 product image
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ROHM BD81A24MUF-ME2

Manufacturer
ROHM
MPN
BD81A24MUF-ME2
LCSC Part #
C6129662
Packaging
VFQFN-28-EP
Customer #
Key Attributes
200kHz~2.2MHz PWM 4 DC-DC 120mA 4.5V~35V VFQFN-28-EP LED Drivers RoHS
DatasheetROHM BD81A24MUF-ME2
RoHS Compliance2 documents available
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QtyUnit Price(Reference Only)Total Amount
1+$ 2.0201$ 2.02
200+$ 0.8062$ 161.24
500+$ 0.7794$ 389.70
1,000+$ 0.7668$ 766.80
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers
ManufacturerROHM
PackagingVFQFN-28-EP
Frequency - Switching200kHz~2.2MHz
DimmingPWM
Voltage - Input(AC)-
Number of Channels4
TypeDC-DC
Switch tube (built-in/external)-
Output Voltage-
Output Current120mA
Operating Temperature-40℃~+125℃
FeaturesOver Voltage Protection;Built-in soft-start;Short Circuit Protection;LED open-circuit protection;Over-Temperature Protection (OTP)
TopologyBuck;Boost
Constant Current Accuracy3%
Voltage - Input(DC)4.5V~35V
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Introduction

AI Translation

BD81A24MUF-M is a white LED driver capable of withstanding high input voltage (35 V max). The driver integrates a 4-channel constant current driver in a single chip, with each channel capable of outputting up to 120 mA, suitable for high-brightness LED driving. Additionally, a built-in buck-boost current mode DC/DC converter enables stable operation under fluctuating supply voltage. Dimming is achievable via PWM input (10,000:1 @ 100 Hz dimming function).

Features

AI Translation
  • AEC-Q100 qualified*1
  • 4-channel LED drive current driver
  • Buck-boost current mode DC/DC converter
  • DC/DC converter oscillation frequency control via external sync signal
  • LSI protection functions (UVLO, OVP, TSD, OCP, SCP)
  • LED fault detection (open/short circuit)
  • Output voltage discharge function (buck-boost topology limitation)

Applications

AI Translation
  • Automotive Central Information Display (CID) panels
  • Automotive navigation
  • Instrument clusters
  • Head-Up Display (HUD)
  • Automotive small and medium-sized LCD panels