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BA1604 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BA1604ROHM124Yes

Manufacturer:** ROHM Semiconductor **Part Number:** BA1604 ### **Specifications:** - **Function:** LED Driver IC - **Topology:** Step-up DC-DC Converter - **Input Voltage Range:** 2.

Manufacturer: ROHM Semiconductor

Part Number: BA1604

Specifications:

  • Function: LED Driver IC
  • Topology: Step-up DC-DC Converter
  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: Up to 18V (adjustable)
  • Output Current: Up to 40mA (per channel)
  • Number of Channels: 4
  • Switching Frequency: 1MHz (typical)
  • Efficiency: Up to 85%
  • Protection Features: Overcurrent protection (OCP), thermal shutdown (TSD)
  • Package: SSOP-B20

Descriptions:

The BA1604 is a 4-channel LED driver IC with a built-in step-up DC-DC converter. It is designed to drive multiple LEDs efficiently with a constant current, making it suitable for backlighting applications in LCD panels and general LED lighting.

Features:

  • Built-in step-up DC-DC converter
  • Constant current output for each channel
  • Adjustable output voltage via external resistor
  • High efficiency (up to 85%)
  • Low supply current (typ. 1.5mA)
  • PWM dimming control capability
  • Compact SSOP-B20 package

For detailed application notes and circuit examples, refer to the official ROHM datasheet.

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