USB-C power splitter/switch is 130-V surge-protected & 28-V tolerant

USB-C power splitter/switch is 130-V surge-protected & 28-V tolerant

New Products |
By Graham Prophet


The specific targets Silego had in mind when developing the SLG59H1302C, are mid- and high-end smartphones and tablet PCs. Any integrated circuit (IC) product designed for consumer electronics and operating in the vicinity of edge connectors must be tolerant of electrical surges and abuses caused by an incorrect application of power adapters. In these applications, system-level, over-voltage protection (OVP) has become a standard requirement.


The SLG59H1302C’s 130V surge protection rating, claimed to be 30% stronger than its competition and its 20-nsec reaction time to OVP events is at least seven times faster. Its faster OVP response time protects sensitive downstream components from possible damage. Although designed to operate with 5V, 9V, or 12V power adapters, the SLG59H1302C does not suffer damage even if 20V power adapters are mistakenly used.


Applying Silego’s proprietary MOSFET design IP, the IC contains the two nFET transistors in a pcb-space-efficient 5 mm² WLCSP footprint. The SLG59H1302C’s VBUS-to-VOUT RDSON is 47% smaller, and its VBUS-to-VSYS RDSON is 31% smaller than existing solutions. Because of these high-performance nFETs, the SLG59H1302C’s very low operating thermal gradients enable higher component packing density and ease system thermal design.




Next page; feature list..

SLG59H1302C’s key features include:

– 28V-tolerant Continuous VBUS Operation

– 130V-rated, Internal Transient Voltage Suppressor

– Wide Input Operating Voltage Range: 2.7 V to 13.2 V

– High-performance, high current, low RDSON, low-leakage nFET MOSFETs:

– Active LOW Enabled, VBUS-to-VOUT: 12 mΩ

– Active HIGH Enabled, VBUS-to-VSYS: 24 mΩ, Back-to-back, Reverse-blocking

– Maximum Continuous Current-handling Capability

– VBUS-to-VOUT: 6 A

– VBUS-to-VSYS: 6 A

– Integrated Input Over-voltage Protection with Fast Reaction Time

– VBUS-to-VOUT: 14.1 V

– VBUS-to-VSYS: 5.25 V

– Integrated Input Undervoltage Lockout

– Integrated Thermal Shutdown Protection

– An Integrated “Always On” Regulator Powers Downstream Components

– Active HIGH Enabled, Independent Shutdown Control

– Push-pull VSYS Power Good Digital Output

– Specified Operating Temperature Range: -40°C to 85°C


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