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Quasi-Resonant Control type DC/DC Converter IC - BM1Q002FJ

The quasi-resonant controller typed AC/DC converter IC (BM1Q00XFJ series) provides an optimum system for all products that include an electrical outlet. Quasi-resonant operation enables soft switching and helps to keep EMI low. With MOSFET for switching and current detection resistors as external devices, a higher degree of design freedom is achieved. As BM1Q00XFJ series built in HV starter circuit, it contributes to low consumption power and high speed start. Because the built-in burst mode is reduced switching loss and IC consumption current is low, Stand-by power is very low. Because BM1Q00XFJ series built-in soft-start, burst mode, over current limiter which is cycle-by-cycle, over load protection, over voltage protection, CS open protection and so on, BM1Q00XFJ series are highly safety.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BM1Q002FJ-E2 Active SOP-J8 2500 2500 Taping Yes
 
Specifications:
FET -
Controller Type QR
Vin1(Min.)[V] 8.9
Vin1(Max.)[V] 26.0
Start Circuit [V] 650.0
SW frequency(Max.)[KHz] 120.0
Vcc OVP Latch
BR PIN -
Channel 1
Light Load mode Yes
EN No
Soft Start Yes
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Features:
  • ・Quasi-resonant method
    ・Built-in 650V tolerate start circuit
    ・Low power when load is light ( Burst operation)
    ・Maximum frequency control (120kHz)
    ・Frequency reduction function
    ・AC voltage correction function
    ・VCC pin : under voltage protection
    ・VCC pin : overvoltage protection
    ・Over-current protection (cycle-by-cycle)
    ・OUT pin : H voltage 12V clamp
    ・Soft start
    ・ZT trigger mask function
    ・ZT Over voltage protection
    ・FB Over Load protection [Auto-restart]
 
 
Technical Data
Application Note

Thermal Resistance

Application Note

Quasi-Resonant Converter Technical Design