Reverse-blocking, pFET integrated power controllers
Using Silego’s proprietary CuFET technology, these products can handle load currents up to 4A and exhibit low thermal resistance. The reverse-current protection feature is useful in applications where a VOUT-to-VIN backfeed current to the VIN power source is to be avoided. Compared to other pFET load switches currently available these products combine higher-performance lower on-resistance pFET structures, lower supply current operation, and multiple protection features into very pcb space-efficient solutions.
Using Silego’s p-channel MOSFET design IP, these new additions to its high-performance pFET integrated power switches include (4) dual-channel, 2-A devices and (1) single-channel, 4-A device:
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Product
VIN Range
RDSON
Single/Dual
tVOUT(R)
OFF-ON Polarity
SLG59M1638V
1.5 V – 5.5 V
45 mΩ
Dual
0.145 ms
High
SLG59M1639V
1.5 V – 5.5 V
45 mΩ
Dual
1 ms
High
SLG59M1640V
1.5 V – 5.5 V
45 mΩ
Dual
1.1 µs
Low
SLG59M1641V
1.5 V – 5.5 V
45 mΩ
Dual
1.1 µs
Low
SLG59M1649V
1.5 V – 5.5 V
23 mΩ
Single
0.130 ms
High
Designed to operate over the industrial -40°C to 85°C temperature range, the micropower, pFET integrated power control switches are available in a 1.0 x 1.6 mm package.
Key features include:
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VIN
SLG59M1638/39/40/41
SLG59M1649V
5 V
45 mΩ
23 mΩ
3 V
60 mΩ
31 mΩ
1.5 V
80 mΩ
42 mΩ
Built-in, system-level features;
Reverse-voltage detection
Fixed VOUT Slew Rates from 1 µsec to 1 msec
125°C thermal shutdown protection
Fast VOUT discharge (SLG59H1638V & SLG59M1640V)
Open-drain signalling (SLG59M1649V)
Silego; www.silego.com
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