Diamond Electronics Industry in Taiwan, Shenzhen China accumulation: MBI1802, MBI1804, MBI1828, MBI5026, MBI5030, MBI5031 MBI5020, MBI6651, MBI6652, MBI6653, MBI6655, MBI6661, MBI6902, MBI6023, MBI6024, MBI5168, MBI5020, MBI5024, MBI5031, MBI5039, MBI5040, MBI5042 Ming Micro: SM7012, SM7013, SM8023, SM7505, SM16126, SM16127, SM16128, SM74HC04, SM74HC138, SM74HC245, SM1628, SM4953 MBI6661 onboard power switch, and can use 52V DC power supply 10 to 14 drivers in series of 1W LED. MBI6661 while using Hysteretic PFM technology, without additional compensation design, and under the conditions set out in severity to achieve optimal efficiency. MBI6661 only with four external components, the overall design of the LED lighting can be more streamlined and cost-effective. MBI6661 also carried through PWM LED dimming.