BD9885FV-E2 datasheet, PDF - EEWORLD Datasheet

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BD9885FV-E2: DescriptionIC INVERTER CONTROL SSOP-B20; CategoryAnalog mixed-signal IC The signal circuit; File Size148KB，5 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BD9885FV-E2 Overview

IC INVERTER CONTROL SSOP-B20

BD9885FV-E2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	SSOP
package instruction	ROHS COMPLIANT, SSOP-28
Contacts	28
Reach Compliance Code	compliant
Factory Lead Time	8 weeks
Is Samacsys	N
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
control mode	VOLTAGE-MODE
JESD-30 code	R-PDSO-G28
length	10 mm
Number of functions	1
Number of terminals	28
Maximum operating temperature	90 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Encapsulate equivalent code	TSSOP28,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum supply voltage (Vsup)	14 V
Minimum supply voltage (Vsup)	5 V
Nominal supply voltage (Vsup)	7 V
surface mount	YES
Maximum switching frequency	150 kHz
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.6 mm
Base Number Matches	1

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STRUCTURE

NAME OF PRODUCT

TYPE

FUNCTION

Silicon Monolithic Integrated Circuit

DC-AC Inverter Control IC

ＢＤ９８８５ＦＶ

・2ch control with Half-bridge

・Lamp current and voltage sense feed back control

・Sequencing easily achieved with Soft Start Control

・Short circuit protection with Timer Latch

・Under Voltage Lock Out

・Short circuit protection with over voltage

・Mode-selectable the operating or stand-by mode by stand-by pin

・Synchronous operating the other BD9885FV IC’s

・BURST mode controlled by PWM and DC input

・Variable to standard Voltage for Lamp current Feed back

○Absolute Maximum Ratings（Ta = 25℃）

Parameter

Supply Voltage

Operating Temperature Range

Storage Temperature Range

Power Dissipation

Maximum Junction Temperature

Symbol

Topr

Tstg

Tjmax

Limits

-40½+90

-55½+125

850

+125

Unit

℃

Pd derated at 8.5mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.0mm×70.0mm×1.6mm)

〇Recommended operating condition

Parameter

Supply voltage

CT oscillation frequency

BCT oscillation frequency

Symbol

BCT

Limits

5.0½14.0

20½150

0.05½0.50

Unit

kHz

REV. B

4/4

〇

NOTE FOR USE

１． When designing the external circuit, including adequate margins for variation between external devices and the IC.Use adequate

margins for steady state and transient characteristics.

２． Recommended Operating Range

The circuit functionality is guaranteed within of ambient temperature operation range as long as it is within recommended

operating range. The standard electrical characteristic values cannot be guaranteed at other voltages in the operating ranges,

however, the variation will be small.

３． Mounting Failures

Mounting failures, such as misdirection or miscounts, may harm the device.

４． Electromagnetic Fields

A strong electromagnetic field may cause the IC to malfunction.

５.

The GND pin should be the location within

±0.3V compared with the PGND pin

６． BD9885FV has the short circuit protection with Thermal Shut Down System. When STB or Vcc pin re-supplied, They enables to

cancel the latch. If It rise the temperature of the chip more than 170℃(TYP), It make the external FET OFF

７． Absolute maximum ratings are those values that, if exceeded, may cause the life of a device to become significantly shortened.

Moreover, the exact failure mode caused by short or open is not defined. Physical countermeasures, such as a fuse, need

to be considered when using a device beyond its maximum ratings.

８． About the external FET, the parasitic Capacitor may cause the gate voltage to change, when the drain voltage is switching.

Make sure to leave adequate margin for this IC variation.

９． On operating Slow Start Control (SS is less than 2.2V), It does not operate Timer Latch.

１０． By STB voltage, BD9885FV is changed to 2 states. Therefore, do not input STB pin voltage between one state and the other

state (0.5½1.4V).

１１．The pin connected a connector need to connect to the resistor for electrical surge destruction.

１２．This IC is a monolithic IC which (as shown is Fig-1)has P

substrate and between the various pins. A P-N junction is formed

from this P layer of each pin. For example, the relation between each potential is as follows,

○(When GND > PinB and GND > PinA, the P-N junction operates as a parasitic diode.)

○(When PinB > GND > PinA, the P-N junction operates as a parasitic transistor.)

Parasitic diodes can occur inevitably in the structure of the IC. The operation of parasitic diodes can result in mutual

interference among circuits as well as operation faults and physical damage. Accordingly you must not use methods by which

parasitic diodes operate, such as applying a voltage that is lower than the GND(P substrate)voltage to an input pin.

Resistance

(PinA)

(PinB)

Transistor (NPN)

GND

＋

P substrate

GND

Parasitic diode

＋

P substrate

GND

Parasitic diode

(PinB)

(PinA)

Parasitic diode

GND

Ｃ

Ｎ

Ｂ

Ｃ

Ｅ

GND

Other adjacent components

Parasitic diode

Fig-1 Simplified structure of a Bipolar IC

REV. B

Notice

Notes

No copying or reproduction of this document, in part or in whole, is permitted without the

consent of ROHM Co.,Ltd.

The content specified herein is subject to change for improvement without notice.

The content specified herein is for the purpose of introducing ROHM's products (hereinafter

"Products"). If you wish to use any such Product, please be sure to refer to the specifications,

which can be obtained from ROHM upon request.

Examples of application circuits, circuit constants and any other information contained herein

illustrate the standard usage and operations of the Products. The peripheral conditions must

be taken into account when designing circuits for mass production.

Great care was taken in ensuring the accuracy of the information specified in this document.

However, should you incur any damage arising from any inaccuracy or misprint of such

information, ROHM shall bear no responsibility for such damage.

The technical information specified herein is intended only to show the typical functions of and

examples of application circuits for the Products. ROHM does not grant you, explicitly or

implicitly, any license to use or exercise intellectual property or other rights held by ROHM and

other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the

use of such technical information.

The Products specified in this document are intended to be used with general-use electronic

equipment or devices (such as audio visual equipment, office-automation equipment, commu-

nication devices, electronic appliances and amusement devices).

The Products specified in this document are not designed to be radiation tolerant.

While ROHM always makes efforts to enhance the quality and reliability of its Products, a

Product may fail or malfunction for a variety of reasons.

Please be sure to implement in your equipment using the Products safety measures to guard

against the possibility of physical injury, fire or any other damage caused in the event of the

failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM

shall bear no responsibility whatsoever for your use of any Product outside of the prescribed

scope or not in accordance with the instruction manual.

The Products are not designed or manufactured to be used with any equipment, device or

system which requires an extremely high level of reliability the failure or malfunction of which

may result in a direct threat to human life or create a risk of human injury (such as a medical

instrument, transportation equipment, aerospace machinery, nuclear-reactor controller,

fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of

any of the Products for the above special purposes. If a Product is intended to be used for any

such special purpose, please contact a ROHM sales representative before purchasing.

If you intend to export or ship overseas any Product or technology specified herein that may

be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to

obtain a license or permit under the Law.

Thank you for your accessing to ROHM product informations.

More detail product informations and catalogs are available, please contact us.

ROHM Customer Support System

http://www.rohm.com/contact/

www.rohm.com

R0039A

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