OBSOLETE

BL0202B

Package Image

Package : SOP18

RoHS : YES

Data Sheet(609KB)

BL0200 series are 2ch output LED driver IC for LED backlight, and it can do dimming to 0.02 % by external PWM signal.
This IC realizes high efficiency by the boost convertor control that absorbs variability on VF.
The product easily achieves high cost-performance LED drive system with few external components and enhanced protection functions.

Data Download

Design Support

  • Technical Documents

Technical Documents

Features

    Boost converter
    ・Current-Mode type PWM Control
    ・PWM frequency is 100kHz
    ・Maximum On Duty is 90 %
    LED current control
    ・Individual PWM Dimming Control
    ・Analog Dimming
    ・High contrast ratio is 1 / 5000
    ・Accuracy of Reg output voltage is ± 1.5 %
    Protection functions
    ・Enable Function of IC
    ・Overcurrent Protection for Boost Circuit (OCP): Pulse-by-pulse
    ・Overcurrent Protection for LED Output (LED_OCP): Pulse-by-pulse
    ・Overvoltage Protection (OVP): Auto restart
    ・Output Open/Short Protection: Auto restart
    ・Thermal Shutdown (TSD): Auto restart

Application

l LED backlights
l LED lighting etc.

Specifications

Type Controller
Circuit Type Boost
Isolated / Non-Isolated Non-Isolated
MOSFET Breakdown Voltage
On-Resistance
Output Power / Output current
OCP Pulse by pulse
OLP
OVP Auto Restart
LED Open / Short Protection YES
Dimming Function Analog / PWM
Package Weight (Typ.)
Automotive Qualified

Remarks

LED Back Light Driver Lineup
ch Products Frequency VREGAccuracy Notes
1ch BL0100A 100 to 500kHz ±2% Error Signal Output
2ch BL0200C 200kHz
BL0202C 200kHz ±1.5% Enable Function
BL0202B 100kHz

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

Physical Dimensions

Physical Dimensions

Questions or Comments?

Please feel free to contact us if you cannot find the desired product from the lineup.