BM1Q002FJ Datasheet PDF - ROHM Semiconductor
| Part Number | BM1Q002FJ | |
| Description | DC/DC Converter IC | |
| Manufacturers | ROHM Semiconductor | |
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Datasheet
AC/DC Drivers
Quasi-Resonant Control type
DC/DC Converter IC
BM1Q00XFJ Series
●General Description
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.
●Key Specifications
Operating Power Supply Voltage Range:
: VCC：8.9V to 26.0V
VH：
to 600V
Operating Current:
Normal：0.60mA (Typ.)
Burst ： 0.35mA(Typ.)
Max frequency:
120kHz(Typ.)
Operate temperature range:
-40℃ to +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]
CS pin open protection [Auto-restart]
●Package
SOP-J8
4.90mm × 3.90mm × 1.65mm
(Typ.) (Typ.)
(Typ.)
●Typical Application Circuit
●Applications
AC adapters and household appliances (printer, TV,
vacuum cleaners, air cleaners, air conditioners, IH
cooking heaters etc.)
●Line Up
IC
BM1Q001FJ
BM1Q002FJ
VCC OVP
Auto restart
Latch
ZT OVP
None
Latch
Fig 1. Application Circuit
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/25
TSZ02201-0F2F0A200110-1-2
17.JUN.2015 Rev.003
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BM1Q00XFJ Series
●Block Diagram
+ FUSE
AC
85-265Vac
-
Filter
Diode
Bridge
86
Starter
NOUT
+
-
+
-
+
-
13.0V/
8.7V
+
-
13.5V/
8.2V
+
-
27.5V
1+
-
7V
100mV
/200mV
AND
ZT Blanking
OUT(H->L)
0.60us
NOUT
1 shot
TimeOut
( 15 us )
Max frequency
control
OR
AND
OR
30k
2
+
-
0.50V.
+
-
BURST_OH
delay Timer FBOLP_OH Stop Timer
(64ms)
(512ms)
4.0V Regulator
12V Clamp
Circuit
Internal
Supply
OSC OSC
SQ
FBOLP_OH AND
R
POUT
PRE
Driver
NOUT
5
1MΩ
300kΩ
100kΩ
FB/4 -
0.50V -
+
Soft Start
SS SS SS SS
0.5ms 1ms 2ms 4ms
CURRENT SENSE (V-V Change)
Normal : ×1.0
Leading Edge
Blanking
3
4
Fig-4 Block Diagram
Datasheet
ERROR
AMP
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/25
TSZ02201-0F2F0A200110-1-2
17.JUN.2015 Rev.003
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BM1Q002FJ electronic component. |
| Information | Total 29 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ BM1Q002FJ.PDF Datasheet ] | |
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