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LC898201

ON Semiconductor
Part Number LC898201
Manufacturer ON Semiconductor
Description Iris/Zoom/Focus/Day-Night switching Drive Controller
Published Jan 21, 2016
Detailed Description DATA SHEET www.onsemi.com CMOS LSI Iris/Zoom/Focus/Day‐Night Switching Drive Controller LC898201 Overview LC898201 is t...
Datasheet PDF File LC898201 PDF File

LC898201
LC898201

Overview
DATA SHEET www.
onsemi.
com CMOS LSI Iris/Zoom/Focus/Day‐Night Switching Drive Controller LC898201 Overview LC898201 is the appropriate motor control LSI for the surveillance camera usage, and it can drive iris, focus, zoom and Day/Night switching simultaneously.
It incorporates feedback control circuits (max 2-systems), stepper motor control circuits (max 3-system) and VCM control circuit (1-system).
• Feedback Control Applies Iris Stepper Motor Controls Apply Focus, Zoom and Day/Night Switching • Feedback Control Applies Iris Stepper Motor Controls Apply Focus and Zoom VCM Applies Day/Night Switching LC898201 can control a variety of lens units like these examples.
Features • Built-in Equalizer Circuit by Digital Operation ♦ Iris Control Equalizer Circuit ♦ Focus Control Equalizer Circuit (MR sensor can be connected) ♦ Coefficients can be Set Arbitrarily through the SPI Interface ♦ Computed Values in the Equalizer can be Monitored • Built-in 3ch Stepper Motor Control Circuits • SPI Bus Interface • PI Control Circuit ♦ 30 mA Sink Output Terminal ♦ Built-in PI Detecting Function (A/D method) • A/D Converter ♦ 12bit (6ch): Iris, Focus, PI Detection, General • D/A Converter ♦ 8bit (4ch): Hall Offset, Constant Current Bias, MR Sensor Offset • Operation Amplifier ♦ 3ch (Iris Control ×1, Focus Control ×2) • PWM Pulse Generator ♦ PWM Pulse Generator for Feedback Control (Up to 12 bit Accuracy) ♦ PWM Pulse Generator for Stepper Motor Control (Up to 1024 Micro Steps) ♦ PWM Pulse Generator for General-purpose H-Bridge (128 Voltage Levels) • Motor Driver ♦ ch1 to ch6: Io max = 200 mA ♦ ch7: Io max = 300 mA ♦ Built-in Thermal Protection Circuit ♦ Built-in Low-voltage Malfunction Prevention Circuit TQFP64 7x7 CASE 932BC MARKING DIAGRAM LC898201 12K1 XXXXX LC898201 12K1 XXXXX = Specific Device Code 1 = Specific Device Code 2 = Lot Number ORDERING INFORMATION Device LC898201TA−NH Package TQFP64 7x7 (Pb−Free / Halogen Free) Shipping{ 1000 / Tape & Reel †For information on t...


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