BD81A44MUV-ME2 The ROHM Semiconductor BD81A44MUV-ME2 is a DC DC Controller LED Driver. It offers 4 outputs and operates with a voltage of 4.5V.
Mfr Part #:

BD81A44MUV-ME2

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
The ROHM Semiconductor BD81A44MUV-ME2 is a DC DC Controller LED Driver. It offers 4 outputs and operates with a voltage of 4.5V.
Total Stock: 13,000 pcs
$ Price Range: $0.17

BD81A44MUV-ME2 Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
13,000 pcs
13000 pcs On Request 1 On Request On Request 17+ On Request On Request

BD81A44MUV-ME2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Current
Dimming
Frequency
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
Topology
Type
Voltage

BD81A44MUV-ME2 Description

Short technical summary and product information.

The BD81A44MUV-ME2 from ROHM Semiconductor is a DC DC Controller designed for LED driving applications. This component features a versatile topology supporting both Step-Down (Buck) and Step-Up (Boost) configurations, making it suitable for a wide range of power management needs.

 

Key electrical specifications include 4 outputs, a current handling capability of 120mA, and an operating voltage of 4.5V. The device operates with a dimming function via PWM and offers a wide frequency range from 200kHz to 2.2MHz, allowing for flexible design implementation. The operating temperature range is -40°C to 125°C (TA).

 

Packaged in a 28-VFQFN Exposed Pad (VQFN28SV5050), the BD81A44MUV-ME2 is designed for surface mount applications. Its robust design and specifications make it suitable for automotive applications.

BD81A44MUV-ME2 Quick Information

Product Type: LED Driver
Series: BD81A44xxx-M
Canonical Name: BD81A44MUV-ME2 DC DC Controller
Subcategory: DC DC Controller

BD81A44MUV-ME2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BD81A44MUV-ME2 Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

BD81A44MUV-ME2 Features

  • DC DC Controller LED Driver.
  • Supports Buck and Boost topologies.
  • Features 4 outputs and 120mA current.
  • Operates at 4.5V with PWM dimming.
  • Surface mount 28-VFQFN package.

BD81A44MUV-ME2 Applications

  • LED backlighting for automotive displays
  • Multi-string LED lighting control
  • PWM dimming for LCD panels
  • Portable device power management

BD81A44MUV-ME2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the BD81A44MUV-ME2?

4.5V

What package is the BD81A44MUV-ME2 available in?

28-VFQFN Exposed Pad (VQFN28SV5050)

What is the operating temperature range of the BD81A44MUV-ME2?

-40°C to 125°C

How many outputs does the BD81A44MUV-ME2 have?

4 outputs

Does the BD81A44MUV-ME2 support PWM dimming?

Yes, it supports PWM dimming.

What topologies are supported by the BD81A44MUV-ME2?

Step-Down (Buck) and Step-Up (Boost)

What is the switching frequency of the BD81A44MUV-ME2?

200kHz to 2.2MHz

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