N channel MOSFETs with integrated drivers for load switch - PowerPoint PPT Presentation

Nov 27, 2022 •11 likes •161 views

better design less parts N channel MOSFETs with integrated drivers for load switch applications December 2012 Silego Technology www.silego.com GFET2 Product Line Dimension, Min. Min/Max Min/Max RDS ON , Part Number Description Package

better design less parts N channel MOSFETs with integrated drivers for load switch applications December 2012 Silego Technology www.silego.com
GFET2 Product Line Dimension, Min. Min/Max Min/Max RDS ON , Part Number Description Package mm I DS , A T ON time, VDD VD mOhm (LxWxH) us SLG59M237 Dual GreenFET2 TDFN-14 3x2x0.75 4.75/5.25 1/VDD 4.5 17 500 (-20 to +70C) Load Switch SLG59M247 Dual GreenFET2 TDFN-14 3x2x0.75 4.75/5.25 1/VDD 3 17 500 (-40 to +85C) Load Switch www.silego.com 2 Silego Technology Inc. proprietary & confidential
GFET2 Advantages FEATURES BENEFITS 2x3mm TDFN-14 package Smallest complete load switch with Rds(ON) 0.1uA Sleep and 50uA Active Mode power <20 mohm consumption Direct connect to controller External capacitor to adjust VS ramp rate Saves battery power when directly connected VD 1.0V to VDD to a Li-Ion battery Two internal discharges per channel for gate Improves power supply voltage margin and source Safer design as compared to discrete Independent Ramp Control components Integrated VGS Charge Pumps Easy to use www.silego.com 3 Silego Technology Inc. proprietary & confidential
Example Product SLG59M237 www.silego.com 4 Silego Technology Inc. proprietary & confidential
Ramp Rates www.silego.com 5 Silego Technology Inc. proprietary & confidential
GFET2 Ramp Rate Typical ramp rate in mS (10%-90% risetime) Voltage Ramp rate capacitance value (pF) VD 0 250 500 986 1500 1960 2450 5 0.228 0.67 1.13 2.18 2.9 4.23 5.2 3.3 0.19 0.5 0.83 1.6 2.13 3.07 3.7 1 0.13 0.265 0.407 0.735 0.97 1.37 1.67 www.silego.com 6 Silego Technology Inc. proprietary & confidential
GFET2 Ramp Rate Conditions: VDD = 5.0V; C CAP = 0pF VDD VDD ON ON Vs Vs VDD ON Vs www.silego.com 7 Silego Technology Inc. proprietary & confidential
GFET2 Ramp Rate Conditions: VDD = 5.0V; C CAP = 500pF VDD VDD ON ON Vs Vs VDD ON Vs www.silego.com 8 Silego Technology Inc. proprietary & confidential
GFET2 Ramp Rate Conditions: VDD = 5.0V; C CAP = 1000pF VDD VDD ON ON Vs Vs VDD ON Vs www.silego.com 9 Silego Technology Inc. proprietary & confidential
GFET2 Ramp Rate Conditions: VDD = 5.0V; C CAP = 1500pF VDD VDD ON ON Vs Vs VDD ON Vs www.silego.com 10 Silego Technology Inc. proprietary & confidential
GFET2 Ramp Rate Conditions: VDD = 5.0V; C CAP = 2000pF VDD VDD ON ON Vs Vs VDD ON Vs www.silego.com 11 Silego Technology Inc. proprietary & confidential
Application example www.silego.com 12 Silego Technology Inc. proprietary & confidential
Before GFET2 Discharge Circuit www.silego.com 13 Silego Technology Inc. proprietary & confidential
After GFET2 www.silego.com 14 Silego Technology Inc. proprietary & confidential
Tools to help you • GreenFET2 Test board • GreenFET2 Datasheets for SLG59M237, SLG59M247 www.silego.com 15 Silego Technology Inc. proprietary & confidential

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