Rohm BM1Z002FJ Manual de usuario

AC Voltage Zero Cross Detection IC

BM1Z002FJ Evaluation Board

Notice

www.rohm.com HVB01E

＜High Voltage Safety Precautions＞

◇Read all safety precautions before use

Please note that this document covers only the BM1Z002FJ evaluation board

(BM1Z002FJ-EVK-001) and its functions. For additional information, please refer to the

datasheet.

To ensure safe operation, please carefully read all precautions before

handling the evaluation board

Depending on the configuration of the board and voltages used,

Potentially lethal voltages may be generated.

Therefore, please make sure to read and observe all safety precautions described in

the red box below.

Before Use

[1] Verify that the parts/components are not damaged or missing (i.e. due to the drops).

[2] Check that there are no conductive foreign objects on the board.

[3] Be careful when performing soldering on the module and/or evaluation board to ensure that solder

splash does not occur.

[4] Check that there is no condensation or water droplets on the circuit board.

During Use

[5] Be careful to not allow conductive objects to come into contact with the board.

[6] Brief accidental contact or even bringing your hand close to the board may result in

discharge and lead to severe injury or death.

Therefore, DO NOT touch the board with your bare hands or bring them too close to the board.

In addition, as mentioned above please exercise extreme caution when using conductive tools such as

tweezers and screwdrivers.

[7] If used under conditions beyond its rated voltage, it may cause defects such as short-circuit or,

depending on the circumstances, explosion or other permanent damages.

[8] Be sure to wear insulated gloves when handling is required during operation.

After Use

[9] The ROHM Evaluation Board contains the circuits which store the high voltage. Since it stores the

charges even after the connected power circuits are cut, please discharge the electricity after using

it, and please deal with it after confirming such electric discharge.

[10] Protect against electric shocks by wearing insulated gloves when handling.

This evaluation board is intended for use only in research and development facilities and

should by handled only by qualified personnel familiar with all safety and operating

procedures.

We recommend carrying out operation in a safe environment that includes the use of high

voltage signage at all entrances, safety interlocks, and protective glasses.

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No. 60AP001E Rev.001

2017.4

No. 62UG076E Rev.001

2020.03

User’s Guide

AC/DC Converter

AC Voltage Zero Cross Detection IC

BM1Z002FJ Evaluation Board

BM1Z002FJ-EVK-001

General Description

This evaluation board outputs a zero cross signal from 90 Vac to 264 Vac input.

The evaluation board is mounted with BM1Z002FJ which outputs high precision zero cross timing of targeted AC voltage.

BM1Z002FJ will provide power less down to 1/10 of what conventional zero cross signal generator circuit consumed.

The evaluation board is also mounted with power supply for the IC.

Figure 1. BM1Z002FJ-EVK-001

Performance Specification

Not guarantee the characteristics is representative value. Ta = 25 °C

Parameter

Min

Typ

Max

Units

Conditions

Input Voltage Range

230

264

Input Frequency

Output Voltage (High Level)

4.75

5.00

5.25

Output Voltage (Low Level)

0.0

0.1

Delay Time

0.0

㎲

Operating Temperature Range

-10

+25

+65

°C

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

Operating Procedure

1 Necessary Equipment

(1) AC power supply (90 Vac to 264 Vac, 10 W or more)

(2) Oscilloscope

2 Connecting Equipment

(1) Set the AC power supply to 90 Vac to 264 Vac power supply off.

(2) Connect the output pin (ACOUT-pin, COMMON pin) to Oscilloscope (Keep isolated).

(3) Connect the pin of the power supply (CN1) to AC power supply output with pair of wires.

(4) AC power supply turn on.

(5) Confirm the output waveform synchronized with the AC voltage.

Caution：To avoid the electrical shock , please keep Oscilloscope probes being isolated.

Figure 2. Diagram of How to Connect

AC Pow er

supply

Oscillo scope

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

IC1

VH_AC1

VH_AC2

ACOUT

DSET

GND

VCC

100

100n

BM2P129T

IC2

DRAIN

VCC

VOUT-GND

Vin

ACOUT

220u

4.7u

100k

100n

2.2u

ZNR1

DA1

220u

IC3

Gnd

Out

Vin

Prim_GND

100

Application Circuit

This evaluation board outputs a zero cross signal.

Output a zero cross point of the AC voltage from ACOUT pins by monitoring the voltage between VH_AC1 pins and the VH_AC2

pins of IC1.

600V withstand monitor circuit is integrated at VH_AC1 pin and VH_AC2 pin to realize high reliabitity and low power consumption.

ACOUT pin output 5V as high level and 0V as low level.

Power supply circuit part

Zero cross signal circuit part

Zero cross signal output

Figure 3. Application Circuit

VACOUT

5 V / Div

200 V / Div

VIN

Figure 4. Wave form of the input output voltage

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

BM1Z002FJ・General Description

Features

This IC outputs the AC voltage zero cross timing detection

with high accuracy.

By eliminating the need for opto-coupler and external

components required in conventional applications, it is

possible to reduce the number of parts drastically and realize

compact and highly reliable power supply applications. In

addition, this IC can reduce standby power largely in

comparison with an existing opto-coupler control.

Pin Configuration

Figure 5. Pin Configuration

Key Specifications

VCC Input Power Supply Voltage Range:

-0.3 V to +29.0 V

VH_AC1 and VH_AC2 Pins Operation Voltage:

600 V (Max)

Circuit Current at Standby: 50 µA (Typ)

Circuit Current at Operation: 160 µA (Typ)

Operating Temperature Range: -40 °C to +105 °C

Package W (Typ) x D (Typ) x H (Max)

SOP-J7S 4.90 mm x 6.00 mm x 1.65 mm

Pitch (Typ): 1.27 mm

Figure 6. SOP-J7S Package

Pin Descriptions

No.

Pin Name

I/O

Function

ACOUT

AC voltage zero cross timing output pin

DSET

AC voltage zero cross delay time setting pin

GND

Ground pin

VCC

Power supply pin

N.C

Non connection (Do not connect to any pins.)

VH_AC2

AC voltage input 2 pin

VH_AC1

AC voltage input 1 pin

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

1 Important Parameter

Zero cross delay time is adjustable by the external (R3) between DSET pins and GND pins.

Setting delay

time

OPEN

0 μｓ

330 kΩ

200 μｓ

68 kΩ

-200 μｓ

0 Ω

-480 μｓ

R3 setting with this evaluation board is OPEN. Thus, the delay time works in 0 μsec.

Parameter

Symbo

Min

Typ

Max

Units

Conditions

Input Voltage Range

VIN

230

264

Output Voltage

(High Level)

VOUTH

4.75

5.00

5.25

Output Voltage

(Low Level)

VOUTL

0.0

0.1

Delay Time

TDELAY

0.0

µs

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

Measurement Data

1 Input output waveform

R3 :OPEN

Figure 7. Input output waveform VIN = 90 Vac Figure 8. Input output waveform VIN = 264 Vac

R3 :330 kΩ R3 :8 kΩ

Figure 9. Input output waveform VIN = 90 Vac Figure 10. Input output waveform VIN = 90 Vac

R３:0 Ω

Figure 11. Input output waveform VIN = 90 Vac

VACOUT

100 V / Div

5 V / Div

100V / Div

5 V / Div

5V / Div

100 V / Div

VIN

VACOUT

VIN

VACOUT

5V / Div

100 V / Div

VIN

100 V / Div

5V / Div

VACOUT

VIN

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

Application Circuit

（Condition）VIN = 90 Vac to 264 Vac

Figure 12. BM1Z002FJ-EVK-001 Application Circuit

IC1

VH_AC1

VH_AC2

ACOUT

DSET

GND

VCC

100

100n

BM2P129T

IC2

DRAIN

VCC

VOUT-GND

Vin

ACOUT

220u

4.7u

100k

100n

2.2u

ZNR1

DA1

220u

IC3

Gnd

Out

Vin

Prim_GND

100

Power supply circuit part

Zero cross signal circuit part

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User’s Guide

BM1Z002FJ-EVK-001

No. 62UG076E Rev.001

2020.03

Specifications Parts name Manufacture

CONNECTOR CN1 B02P-NV JST

C1 0.1 µF, 275 V 890324023023CS WURTH ELECTRONIK

C2 4.7 µF, 400 V 860021374008 WURTH ELECTRONIK

C3 220 µF, 25 V 860080474010 WURTH ELECTRONIK

C4 2.2 µF, 35 V

UMK212BB7225KG-T

TAIYO YUDEN

C7 0.1 µF, 100 V HMK107B7104MA-T TAIYO YUDEN

C8 1 µF, 50 V UMK212B7105KG-T TAIYO YUDEN

Diode-Bridge DA1 1 A, 800 V D1UBA80 SHINDENGEN

D1 1 A, 1 kV 1N4007

D2 1 A, 1 kV 1N4007

D3 FRD, 0.8 A, 600 V RFN1LAM6S ROHM

D4 0.2 A, 600 V RRE02VSM6S ROHM

Fuse F1 1 A, 300 V 36911000000 LITTELFUSE

IC1 BM1Z002FJ ROHM

IC2 BM2P129TF ROHM

IC3 BD50FA1FP3 ROHM

Ｃoil L1 220 µH 7447471221 WURTH ELECTRONIK

R1 100 ΩMCR18EZPJ101 ROHM

R2 100 ΩMCR18EZPJ101 ROHM

R7 100 kΩMCR03EZPJ104 ROHM

C6 33 kΩMCR03EZPJ333 ROHM

TP Black LC-2-G

TP Red LC-2-G

Item

Capacitor

Diode

Resistor

Parts List

(Note 1) Materials may be changed without notifying.

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