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LED Indicator Driver

ROHM's LED driver features serial / parallel conversion and 4-line (clock, data, latch, shutdown) control. The standby conditions can be set via the SDWN (Shutdown) terminal. In addition, high voltage resistance enables direct driving from a battery with up to 50mA of output current. 

RoHM'SPower Management ICs for Automotive Body Control

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Specifications Part No. Package Features
35V Voltage Resistance 50mA 12ch LED Driver
BD8105FV

SSOP-B20W


Block Diagram
Expanded
  

Features

High voltage resistance output ports eliminate the need for external high voltage resistance power transistors

ROHM's LED driver utilizes a high voltage resistance Nch DMOSFET at the output, allowing direct connection of LEDs and eliminating the need for power transistors, reducing costs as well as freeing up valuable board space. However, the maximum voltage resistance of 35V necessitates additional countermeasures, such as connecting power Zener diodes on the battery line.

  
Expanded
Expanded bit capability through cascading
Standby function (via SDWN terminal) reduces power consumption
12ch LED driver integrated into a compact package decreases board space
Wide operating temperature range

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LED Indicator Driver

Part No. Supply voltage
(V)		 output current
(mA)		 Number of input Output type Maximum voltage
(V)		 Operating tempter
(℃)		 Package RoHS Distribution
Inventory
BD8105FV 4.5 to 5.5 50 5 12 Open Drain 35 to -40 SSOP-B20W Yes

 

Power Management ICs for Automotive Body Control

2011.05.16

Developed microcontroller-less LED driver with built-in light modulation function

2011.05.09

The industry's first high accuracy high output LED source drivers for automotive rear lamps