STMPS2252TTR

STMPS2252TTR is an enhanced dual-channel power switch. This power distribution switch is intended for applications where heavy capacitive loads and short circuits are likely to be encountered. This device incorporates 100mohm MOSFET high-side power switches for power distribution systems that require multiple power switches in a single package. Each switch is controlled by an independent logic enable input. When the output load exceeds the current limit threshold or a short is present, this device limits the output current to a safe level by switching into a constant current mode, pulling the overcurrent (OCx) logic output low. When continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently.

• Thermal protection, independent short-circuit protection with overcurrent logic output
• Operating range from 2.7V to 5.5V
• CMOS and TTL compatible inputs
• 2.5ms typical rise time, undervoltage lockout
• 13µA maximum standby supply current
• Ambient temperature range from -40°C to 85°C
• 8KV ESD protection, reverse current protection, fault blanking
• MSOP8 package
• 500mA current limit, active high enable
• Static drain source ON state resistance is 120mohm typ (VI = 2.7V, TJ = 25°C)