BAP-1106 SCR Gate Driver Board

for Single Large Area Thyristor Devices

 

DOWNLOAD BAP-1106 DATASHEET

The AP-1106 provides a complete, field-tested turnkey solution to drive a single large area thyristor device. This driver accepts a logic level control input and provides an isolated DC drive current into the SCR gate, able to hard drive up to 100mm size devices.  The output gate drive signal is applied thru a pulse forming network that creates a fast rising leading edge current pulse (typically 5A/µSec) into the SCR gate, maximizing the device di/dt capability and insuring proper SCR turn on.  The on board 115VAC power supply provides all needed power to drive the SCR and provides transformer isolation between the AC input and the SCR being driven. A high speed optocoupler provides isolation between the customer supplied logic level signal and the SCR.  LED indicators display POWER ON and SCR ON status. The small footprint PCB assembly measures only 3.0” X 5.0”.

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Absolute Maximum Ratings, Ta = 25°C unless otherwise specified
Parameter Typical Max Min
TOP - Operating Temperature (°C) - 70 -10
TOS - Storage Temperature (°C) - 85 -20
VISO - Electrical Isolation (VRMS for 1 min.) - 2500 -
 
Electrical Characteristics, Ta = 25°C unless otherwise specified
Parameter Typical Max Min
VCTL – Input Control Voltage (Volts DC) 12 24 10
ICTL – Input Control Current (mA) 20 40 16
VGATE – Open Circuit GATE Voltage (Volts DC) 16    
IGATE – Continuous Output GATE Current (mA) 500    
IGPK – Peak Output GATE Current (Amperes) 8    
TP – Propagation Delay Time (µSec) 1    
a – Duty Cycle (%)   Continuous  
 
J1 – INPUT POWER
Pin No. Signal Name Function
1 AC HOT 115 VAC-L1 Input – 2A Fuse on board
2 AC NEUTRAL 115 VAC-L2 Input
3 AC CHASSIS GND 115 VAC Chassis Ground
 
J2 – SCR DRIVE OUTPUT
Pin No. Signal Name Function
1 SCR-GATE GATE Drive Current High
2 SCR-CATHODE GATE Drive Current Return
 
J3 - CONTROL INPUT
Pin No. Signal Name Function
1 CTL (+) SCR Control Signal (0V = Off / 12V = On)
2 CTL RET (-) SCR Control Return

 

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