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BD9422EFV-E2

Description
LED Lighting Drivers
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1MB,29 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
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BD9422EFV-E2 Overview

LED Lighting Drivers

BD9422EFV-E2 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerROHM Semiconductor
package instructionHTSSOP, TSSOP40,.30
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time12 weeks
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLED DISPLAY DRIVER
JESD-30 codeR-PDSO-G40
length13.6 mm
Multiplex display functionNO
Number of functions1
Number of segments8
Number of terminals40
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristicsOPEN-DRAIN
Package body materialPLASTIC/EPOXY
encapsulated codeHTSSOP
Encapsulate equivalent codeTSSOP40,.30
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum seat height1 mm
Maximum slew rate16 mA
Maximum supply voltage35 V
Minimum supply voltage9 V
Nominal supply voltage24 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width5.4 mm
Base Number Matches1
Datasheet
LED Drivers for LCD Backlights
White LED Driver for large LCD
panel
BD9422EFV
●General
Description
BD9422EFV is a high efficiency driver for white LEDs
and designed for large LCD panel. This IC is built-in
high current drive and high responsibility type 6ch LED
drivers and 1ch boost DCDC converter. BD9422EFV
has some protect function against fault conditions,
such as the over-voltage protection (OVP), LED OPEN
and SHORT protection, the over current limit
protection of DCDC (OCP). Therefore BD9422EFV is
available for the fail-safe design over a wide range
output voltage.
●Key
Specification
Operating power supply voltage range: 9.0V to 35.0V
Oscillator frequency:
500kHz (RT=30kΩ)
Operating Current:
9mA (typ.)
Operating temperature range:
-40°C to +85°C
●Applications
TV, Computer Display, Notebook, LCD Backlighting
●Features
6ch Constant LED drivers, available 400mA drive
per 1ch.
Constant current accuracy ±1.8% (IC only)
Each 6ch external PWM inputs can control independent
dimming .
Current analog (linear) dimming by VREF
1ch boost controller with current mode (external FET)
Several protection functions
DCDC part
: OCP/OVP/UVLO/TSD
LED driver part :OPEN,SHORT detection
SHORT detection voltage is set by LSP terminal.
Error detection output FAIL terminal inside
(normal=Open, error=Drain)
Master/Slave mode inside
●Package
HTSSOP-B40
Pin Pitch:
W(Typ.) D(Typ.) H(Max.)
13.60mm x 7.80mm x 1.00mm
0.65mm
●Typical
Application Circuit
Figure 2. HTSSOP-B40
Figure 1. Typical Application Circuit
○Product
structure:Silicon monolithic integrated circuit
.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This
product is not designed protection against radioactive rays
1/26
TSZ02201-0F1F0C100210-1-2
1.Sep.2015 Rev.006
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