Two-Input and Single-Output Power Multiplexer Switch
Automatic and Manual Input Selection Modes
Reverse Current Blocking on Each Channel
Supply Voltage Range: 2.0 V to 5.5 V
RON = 20 mΩ Typ at 5.5 VIN1 or VIN2
4.5 A Continuous Output Current Capability Per Channel
Ultra-Low Supply Current at Operation
IQ: 4 uA Typ at 5.5 VIN
Ultra-Low Stand-by Current
ISD: 30 nA Typ at 5.5 VIN
Smart Control Pins
IEN and ISEL : 10 nA Typ at VEN or VSEL > VIH ; REN and RSEL : 500 kΩ Typ
HBM: 6 kV, CDM: 2 kV
The GLF74139 is a fully integrated power path switch with the automatic and manual selection function.
The GLF74139 offers an industry leading reverse current blocking (RCB) function to protect input sources when the VOUT increase higher than VIN abnormally.
The EN pin can be used along with the SEL pin to control two integrated main FETs of the GLF74139. By the combination of these two pins, one of input source selection modes is set to provide power to downstream system seamlessly.
The automatic selection mode chooses a higher input voltage source between two inputs. In the manual selection mode, one of input sources is connected to
downstream system.
