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Fenix HP12 headlamp repair - PCB component identification, schema

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Libas:
Hi all,

during reverse engineering of my faulty headlamp I have troubles to identify 2 major components. Please see attached pictures and schematics.

Could you please help me to identify them? Component marking is BNDY and SBW7. Casing similar to SOT23-5. Marking style of IC1 (BNDY) is same style as on IC3 (C2KW, LDO regulator 3V) and also same as IC5 (THCX, temperature chip). There is an underline under the text and dots under the underline (visible on PCB photo). IC2 (SBW7) is on other side of PCB and has different marking style so its probably different manufacturer. Unfortunatelly manufacturer does not want to provide any detailed info.

IC1 drives power to LED. It sends full battery voltage to gate of Q3 and Q4 when LED is OFF.

Libas:
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Libas:
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Libas:
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Libas:
According to my codebook (SMD-codes 2012) IC3 (C2KW) could be product number S-812C30AMC-C2K. With this product number I have found 2 datasheets (manufacturer Seiko Instruments and Ablic)...but according to codebook manufacturer should be Silicon General Inc (now part of Microsemi).

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