OBSOLETE

BL0100A

Package Image

Package : SOIC14

RoHS : YES

Data Sheet(1.1MB)

BL0100A is LED driver IC for LED backlight, and it can do dimming to 0.02 % by external PWM signal.
This IC realizes a 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 100 kHz to 500kHz
    ・Maximum On Duty is 90 %
    LED current control
    ・PWM Dimming
    ・Analog Dimming
    ・High contrast ratio is 1 / 5000
    ・Accuracy of Reg output voltage is ± 2 %
    Protection functions
    ・Error Signal Output
    ・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

Application

・LED backlights
lLED 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 100kHz 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

Questions or Comments?

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