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BM1P062FJ 데이터시트 PDF




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부품번호 BM1P062FJ 기능
기능 DC/DC converter IC
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BM1P062FJ 데이터시트, 핀배열, 회로
Datasheet
AC/DC Drivers
PWM Control type
DC/DC converter IC
BM1P061FJ / BM1P062FJ / BM1P101FJ / BM1P102FJ
General
The PWM type DC/DC converter (BM1Pxxx) for
AC/DC provide an optimum system for all products
that include an electrical outlet.
BM1Pxxx supports both isolated and non-isolated
devices, enabling simpler design of various types of
low-power electrical converters.
BM1Pxxx built in a HV starter circuit that tolerates
650V, it contributes to low-power consumption.
With switching MOSFET and current detection
resistors as external devices, a higher degree of
design freedom is achieved. Since current mode
control is utilized, current is restricted in each cycle
and excellent performance is demonstrated in
bandwidth and transient response.
At light load, the switching frequency is reduced and
high efficiency is achieved.
A frequency hopping function is also on chip, which
contributes to low EMI.
BM1Pxxx has rich protection.
Basic specifications
„ Operating Power Supply Voltage Range:
VCC 8.9V to 26.0V
VH
to 600V
„ Operating Current: Normal Mode0.60mA (Typ.)
Burst Mode0.35mA(Typ.)
„ Oscillation Frequency: BM1P06xFJ65kHz(Typ.)
BM1P10xFJ100kHz(Typ.)
„ Operating Temperature:
- 40deg. to +85deg.
Features
„ PWM frequency : 65kHz, 100kHz
„ PWM current mode method
„ Frequency Hopping function
„ Burst operation / Frequency reduction function
when load is light
„ Built-in 650V start circuit
„ VCC pin under voltage protection
„ VCC pin over voltage protection
„ CS pin Open protection
„ CS pin Leading-Edge-Blanking function
„ Per-cycle over current protection circuit
„ Current protection with AC voltage compensation
„ Soft start
„ Secondary Over current protection circuit
Package
SOP-J8
4.90mm×3.90mm ×1.65mm
(Typ.) (Typ.) (TYP.)
Pitch 1.27mm
TYP.
Applications
AC adapters and household appliances (vacuum
cleaners, humidifiers, air cleaners, air conditioners, IH
cooking heaters, rice cookers, etc.)
Application circuit
Line-Up
BM1P101FJ
BM1P102FJ
BM1P061FJ
BM1P062FJ
Frequency
100kHz
100kHz
65kHz
65kHz
VCCOVP
Auto Restart
Latch
Auto Restart
Latch
Figure 1Application circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
This product is not designed protection against radioactive rays
1/18
TSZ02201-0F2F0A200090-1-2
22.NOV.2012.Rev.003




BM1P062FJ pdf, 반도체, 판매, 대치품
BM1P061FJ / BM1P062FJ / BM1P101FJ / BM1P102FJ
PIN DESCRIPTIONS
Table 1. Pin Description
NO. Pin Name
1 ACMONI
2 FB
3 CS
4 GND
5 OUT
6 VCC
7 N.C.
8 VH
I/O Function
I Comparator input pin
I Feedback signal input pin
I Primary Current sense pin
I/O GND pin
O External MOSFET driver pin
I/O Power supply input pin
- Non Connection
I Starter pin
I/O Equivalent Circuit Diagram
Datasheet
ESD Diode
VCC
-
-
-
GND
-
-
Figure 2 . I/O Equivalent Circuit Diagram
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/18
TSZ02201-0F2F0A200090-1-2
22.NOV.2012.Rev.003

4페이지










BM1P062FJ 전자부품, 판매, 대치품
BM1P061FJ / BM1P062FJ / BM1P101FJ / BM1P102FJ
Datasheet
(2 ) Start sequences
(Soft start operation, light load operation, and auto recovery operation during overload protection)
Start sequences are shown in Figure 7. See the sections below for detailed descriptions.
VH
VCC(1pin)
FB(8pin)
VCC=13.5V
Internal REF
Pull Up
Within
64ms
VCC=8.2V
Within
64ms
Within
64ms
Vout
Iout
Switching
A
Soft
Start
BC
Normal Load
Light LOAD
Over Load
Burst mode
Switching
stop
DE
F GH
IJ
K
Figure 7. Start sequences Timing Chart
A : Input voltage VH is applied
B : This IC starts operating , when VCC pin voltage rises VCC > VUVLO1 (13.5 V typ).
Switching function starts when other protection functions are judged as normal.
Between the secondary output voltage become constant level, because the VCC pin consumption current causes the VCC
value to drop, IC should set to start switching until VCC<VUVLO2 (8.2V typ).
C : With the soft start function, over current limit value is restricted to prevent any excessive rise in voltage or current.
D : When the switching operation starts, VOUT rises.
Once the output voltage starts, set the rated voltage within the TFOLP2 period (32ms typ).
E : When there is a light load it reaches FB voltage < VBST (= 0.4Vtyp, burst operation is used to keep power consumption
down.
During burst operation, it becomes low-power consumption mode.
F : When the FB VoltageVFOLP1A=2.8V.typ, it becomes a overload
G: When FB pin voltage keeps VFOLP1A (= 2.8V typ) at or above T FOLP (32 ms typ), the overload protection function is
triggered and switching stops. During the TFOLP period (32ms typ) if the FB pin voltage becomes FB<VFOLP1B even once,
the IC’s internal timer is reset.
H : If the VCC voltage drops to VCC < VUVLO2 (7.7Vtyp) or below, restart is executed.
I : The IC’s circuit current is reduced and the VCC pin value rises. (Same as B)
J : Same as F
K : Same as G
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/18
TSZ02201-0F2F0A200090-1-2
22.NOV.2012.Rev.003

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부품번호상세설명 및 기능제조사
BM1P062FJ

DC/DC converter IC

ROHM Semiconductor
ROHM Semiconductor

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