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Summary of Contents for Rohm BM1Z102FJ
- Page 1 AC Voltage Zero Cross Detection IC BM1Z102FJ Evaluation Board...
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Page 2: High Voltage Safety Precautions
[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. -
Page 3: General Description
This evaluation board outputs a zero cross signal from 90 Vac to 264 Vac input. This evaluation board is mounted with BM1Z102FJ which outputs high precision zero cross timing of targeted AC voltage and the DC voltage after diode rectification with high accuracy The evaluation board is also mounted with power supply for the IC. -
Page 4: Operation Procedure
(7) The DCOUT terminal outputs about 1/100 voltage with the DC voltage after the diode rectification. Caution：To avoid the electrical shock , please keep Oscilloscope probes being isolated. M ulti m eter Oscillo scope AC Pow er supply Figure 2. Diagram of How to Connect © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 2/11 2020.04... -
Page 5: Application Circuit
Application Circuit This evaluation board outputs a zero cross signal. This evaluation board (BM1Z102FJ) 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. - Page 6 AC voltage zero cross timing output pin Power supply pin Non Connection (Do not connect to any pins) VH_DC DC voltage input pin VH_AC2 AC voltage input 2 pin VH_AC1 AC voltage input 1 pin © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 4/11 2020.04...
- Page 7 OPEN 0 μｓ 330 kΩ 200 μｓ 68 kΩ -200 μｓ 0 Ω -480 μｓ This evaluation board, R5 assumes it OPEN. Thus, the delay time works in 0 μs. © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 5/11 2020.04...
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Page 8: Measurement Data
Figure 10. Input output waveform V = 90 Vac R5 : 0 Ω ACOUT 5V / Div 100 V / Div Figure 11. Input output waveform V = 90 Vac © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 6/11 2020.04... - Page 9 BM1Z102FJ-EVK-001 User’s Guide Measurement Data - continued DCOUT Pin Voltage VH_DC Pin Voltage: V VH_DC Figure 12. DCOUT Pin Voltage vs VH_DC Pin Voltage © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 7/11 2020.04...
- Page 10 100n 4.7u 220u 100k DC output DCOUT Zero cross signal output DSET VH_DC DCOUT ACOUT VH_AC2 ACOUT Vh_AC1 100n 100n Zero cross signal circuit part Figure 13. BM1Z002FJ-EVK-001 Application Circuit © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 8/11 2020.04...
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Page 11: Parts List
MCR18EZPJ101 ROHM Ω Resistor 100 k MCR03EZPJ104 ROHM Ω MCR03EZPJ101 ROHM Ω 33 k MCR03EZPJ333 ROHM Ω LC-2-G Orange LC-2-G Black LC-2-G (Note 1) Materials may be changed without notifying. © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 9/11 2020.04... - Page 12 BM1Z102FJ-EVK-001 User’s Guide Layout Size: 36 mm x 90 mm Figure 14. TOP Silkscreen (Top view) Figure 15. Bottom Layout (Top View) © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 10/11 2020.04...
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Page 13: Revision History
BM1Z102FJ-EVK-001 User’s Guide Revision History Date Rev. Changes 6.April.2020 New Release © 2020 ROHM Co., Ltd. No. 62UG074E Rev.001 11/11 2020.04... - Page 14 Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information.
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